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using System; using System.Linq; namespace agc030_a { class Program { static void Main(string[] args) { var text = Console.ReadLine(); var list = text.Split(' ').ToList(); var a = int.Parse(list[0]); var b = int.Parse(list[1]); if (b <= 5) { Console.WriteLine("0"); } else if (b >= 6 && b <= 12) { Console.WriteLine((a / 2).ToString()); } else { Console.WriteLine(a); } } } }
using System; using System.Linq; namespace agc030_a { class Program { static void Main(string[] args) { var text = Console.ReadLine(); var list = text.Split(' ').ToList(); var b = int.Parse(list[0]); var a = int.Parse(list[1]); if (b <= 5) { Console.WriteLine("0"); } else if (b >= 6 && b <= 12) { Console.WriteLine((a / 2).ToString()); } else { Console.WriteLine(a); } } } }
[["-", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22], ["+", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22]]
8
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using System; using System.Text; class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int r = int.Parse(input[0]); int D = int.Parse(input[1]); int xo = int.Parse(input[2]); int[] xn = new int[11]; xn[0] = xo; for (int i = 0; i < 11; i++) { xn[i + 1] = r * xn[i] - D; } for (int j = 1; j < 12; j++) { Console.WriteLine(xn[j]); } } }
using System; using System.Text; class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int r = int.Parse(input[0]); int D = int.Parse(input[1]); int xo = int.Parse(input[2]); int[] xn = new int[11]; xn[0] = xo; for (int i = 0; i < 10; i++) { xn[i + 1] = r * xn[i] - D; } for (int j = 1; j < 11; j++) { Console.WriteLine(xn[j]); } } }
[["-", 0, 195, 8, 196, 0, 7, 15, 16, 12, 203], ["+", 0, 195, 8, 196, 0, 7, 15, 16, 12, 203]]
8
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using System; using System.Text; using System.Collections.Generic; using System.Collections; using static System.Math; using System.Linq; using static System.Array; namespace ConsoleApp2 { class Program { static void Main(string[] args) { // var N = long.Parse(Console.ReadLine()); Solve(); } static string S; static string T; static int H; static int W; static int N; static int SH; static int SW; static void Solve() { var HWN = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); H = HWN[0]; W = HWN[1]; N = HWN[2]; var SP = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); SH = SP[0]; SW = SP[1]; S = Console.ReadLine(); T = Console.ReadLine(); var ans = false; if (IsOkWide() && IsOkHeight()) { ans = true; } Console.WriteLine(ans ? "YES" : "NO"); } static bool IsOkWide() { var min = 1; var max = W; for (int i = (int)N - 1; i >= 0; i--) { if (T[i] == 'L') { max = Min(max + 1, W); } else if (T[i] == 'R') { min = Max(min - 1, 1); } if (S[i] == 'L') { min++; } else if (S[i] == 'R') { max--; } if (min > max) { return false; } } return (min <= SW) && (SW <= max); } static bool IsOkHeight() { var min = 1; var max = H; for (int i = (int)N - 1; i >= 0; i--) { if (T[i] == 'U') { max = Min(max + 1, W); } else if (T[i] == 'D') { min = Max(min - 1, 1); } if (S[i] == 'U') { min++; } else if (S[i] == 'D') { max--; } if (min > max) { return false; } } return (min <= SH) && (SH <= max); } } }
using System; using System.Text; using System.Collections.Generic; using System.Collections; using static System.Math; using System.Linq; using static System.Array; namespace ConsoleApp2 { class Program { static void Main(string[] args) { // var N = long.Parse(Console.ReadLine()); Solve(); } static string S; static string T; static int H; static int W; static int N; static int SH; static int SW; static void Solve() { var HWN = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); H = HWN[0]; W = HWN[1]; N = HWN[2]; var SP = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); SH = SP[0]; SW = SP[1]; S = Console.ReadLine(); T = Console.ReadLine(); var ans = false; if (IsOkWide() && IsOkHeight()) { ans = true; } Console.WriteLine(ans ? "YES" : "NO"); } static bool IsOkWide() { var min = 1; var max = W; for (int i = (int)N - 1; i >= 0; i--) { if (T[i] == 'L') { max = Min(max + 1, W); } else if (T[i] == 'R') { min = Max(min - 1, 1); } if (S[i] == 'L') { min++; } else if (S[i] == 'R') { max--; } if (min > max) { return false; } } return (min <= SW) && (SW <= max); } static bool IsOkHeight() { var min = 1; var max = H; for (int i = (int)N - 1; i >= 0; i--) { if (T[i] == 'U') { max = Min(max + 1, H); } else if (T[i] == 'D') { min = Max(min - 1, 1); } if (S[i] == 'U') { min++; } else if (S[i] == 'D') { max--; } if (min > max) { return false; } } return (min <= SH) && (SH <= max); } } }
[["-", 0, 11, 12, 213, 3, 4, 0, 28, 0, 22], ["+", 0, 11, 12, 213, 3, 4, 0, 28, 0, 22]]
8
535
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using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Runtime.InteropServices; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using static System.Math; using static Math2; using static Output; using static Utils; public class CP { Input sc; public void Solve() { sc = new Input(); var t = 1; // var sw = new Stopwatch(); // sw.Start(); while (t-- > 0) { case1(); } // sw.Stop(); // Put(sw.ElapsedMilliseconds + "ms"); } public void case1() { var H = sc.cin<int>(); var W = sc.cin<int>(); var N = sc.cin<int>(); var Sr = sc.cin<int>(); var Sc = sc.cin<int>(); var S = sc.cin<string>(); var T = sc.cin<string>(); var l = 1; var r = W; for (int i = N - 1; i >= 0; --i) { if (i != N - 1 && T[i] == 'L') r = Min(r + 1, W); if (i != N - 1 && T[i] == 'R') l = Max(l - 1, 1); if (S[i] == 'L') l++; if (S[i] == 'R') r--; if (l > r) { Put("NO"); return; } if (Sc < l || Sc > r) { Put("NO"); return; } } l = 1; r = H; for (int i = N - 1; i >= 0; --i) { if (i != N - 1 && T[i] == 'U') r = Min(r + 1, H); if (i != N - 1 && T[i] == 'D') l = Max(l - 1, 1); if (S[i] == 'U') l++; if (S[i] == 'D') r--; if (l > r) { Put("NO"); return; } if (Sr < l || Sr > r) { Put("NO"); return; } } Put("YES"); return; } } public class BinarySearch { public static int Lower_Bound<T>(IList<T> Array, T Target) { return Lower_Bound<T>(Array, Target, Comparer<T>.Default.Compare); } public static int Lower_Bound<T>(IList<T> Array, T Target, Comparison<T> Comp) { var cmp = Comparer<T>.Create(Comp); var l = -1; // always ng var r = Array.Count(); // always ok while (r - l > 1) { var mid = l + (r - l) / 2; var res = cmp.Compare(Array[mid], Target); if (res >= 0) r = mid; else l = mid; } return r; } public static int Upper_Bound<T>(IList<T> Array, T Target) { return Upper_Bound<T>(Array, Target, Comparer<T>.Default.Compare); } public static int Upper_Bound<T>(IList<T> Array, T Target, Comparison<T> Comp) { var cmp = Comparer<T>.Create(Comp); var l = -1; var r = Array.Count; while (r - l > 1) { var mid = l + (r - l) / 2; var res = cmp.Compare(Array[mid], Target); if (res > 0) r = mid; else l = mid; } return r; } public static bool Contains<T>(IList<T> Arr, T Target) { return Contains<T>(Arr, Target, Comparer<T>.Default.Compare); } public static bool Contains<T>(IList<T> Arr, T Target, Comparison<T> Comp) { return (Upper_Bound(Arr, Target, Comp) - Lower_Bound(Arr, Target, Comp) > 0); } } public static class Math2 { public const int INF = 1 << 29; public const long INFL = 1L << 60; public const long MOD = 1000000007; public const long MOD2 = 998244353; public static long Power(long a, long b, long MOD = 1000000007) // i^N { long res = 1; while (b > 0) { if ((b & 1) != 0) res = res * a % MOD; a = a * a % MOD; b >>= 1; } return res; } public static long Power2(long a, long b) // i^N { long res = 1; while (b > 0) { if ((b & 1) != 0) res = res * a; a = a * a; b >>= 1; } return res; } public static long GCD(long a, long b) { if (a == 0) return b; while (b > 0) { var r = a % b; a = b; b = r; } return a; } public static long LCM(long a, long b) => (b / GCD(a, b)) * a; public static long Comb(long n, long r, int MOD = 1000000007) { if (r > n - r) r = n - r; long Nume = 1; long Deno = 1; if (r > n - r) r = n - r; for (long i = 1; i <= r; ++i) { Deno = (Deno * i) % MOD; Nume = Nume * (n - i + 1) % MOD; } return (Nume * inv(Deno)) % MOD; } public static long Comb2(long n, long r) { long Nume = 1; long Deno = 1; if (r > n - r) r = n - r; for (long i = 1; i <= r; ++i) { Deno *= i; Nume *= n - i + 1; } return Nume / Deno; } public static long inv(long x, int MOD = 1000000007) { return Power(x, MOD - 2, MOD); } } public static class Utils { public static int popcnt(long a) { int cnt = 0; while (a > 0) { if ((a & 1) == 1) ++cnt; a >>= 1; } return cnt; } public static void Swap<T>(ref T A, ref T B) { T x = A; A = B; B = x; } public static int DigitSum(string N) { int ret = 0; for (int i = 0; i < N.Length; ++i) ret += N[i] - '0'; return ret; } public static string ConvertBase(long N, int K) { StringBuilder ret = new StringBuilder(); while (N > 0) { var r = N % K; N /= K; ret.Append(r); } return new string(ret.ToString().ToCharArray().Reverse().ToArray()); } public static bool NextPermutation<T>(IList<T> lis, Comparison<T> cmp) { int n = lis.Count; int i = n - 1; while (i - 1 >= 0) { if (cmp(lis[i - 1], lis[i]) < 0) break; --i; } if (i == 0) return false; int j = i; while (j + 1 < n) { if (cmp(lis[i - 1], lis[j + 1]) > 0) break; ++j; } var _q = lis[j]; lis[j] = lis[i - 1]; lis[i - 1] = _q; int k = i; int l = n - 1; while (k < l) { var _p = lis[k]; lis[k] = lis[l]; lis[l] = _p; ++k; --l; } return true; } public static bool NextPermutation<T>(IList<T> lis) => NextPermutation(lis, Comparer<T>.Default.Compare); } public class PriorityQueue<T> { List<T> _item; public int Count { get { return _item.Count; } } bool _isascend { get; set; } public T Peek { get { return _item[0]; } } Comparison<T> Comp; public PriorityQueue(bool IsAscend = true, IEnumerable<T> list = null) : this(Comparer<T>.Default.Compare, IsAscend, list) {} public PriorityQueue(Comparison<T> cmp, bool IsAscend = true, IEnumerable<T> list = null) { _item = new List<T>(); _isascend = IsAscend; this.Comp = cmp; if (list != null) { _item.AddRange(list); Build(); } } private int Compare(int i, int j) => (_isascend ? -1 : 1) * Comp(_item[i], _item[j]); private void Swap(int i, int j) { var t = _item[i]; _item[i] = _item[j]; _item[j] = t; } private int Parent(int i) => (i - 1) >> 1; private int Left(int i) => (i << 1) + 1; public T Enqueue(T val) { int i = _item.Count; _item.Add(val); while (i > 0) { int p = Parent(i); if (Compare(i, p) > 0) Swap(i, p); i = p; } return val; } private void Heapify(int index) { for (int i = index, j; (j = Left(i)) < _item.Count; i = j) { if (j != _item.Count - 1 && Compare(j, j + 1) < 0) j++; if (Compare(i, j) < 0) Swap(i, j); } } public T Dequeue() { T val = _item[0]; _item[0] = _item[_item.Count - 1]; _item.RemoveAt(_item.Count - 1); Heapify(0); return val; } private void Build() { for (var i = (_item.Count >> 1) - 1; i >= 0; i--) Heapify(i); } public bool Any() => Count > 0; } class Program { static void Main(string[] args) { var CP = new CP(); CP.Solve(); } } public static class Output { public static void Put(string a) => Console.WriteLine(a); public static void Put(params object[] i) => Put(string.Join(" ", i)); public static void Put<T>(IEnumerable<T> a) => Put(string.Join(" ", a)); public static void PutV<T>(IEnumerable<T> a) { foreach (var z in a) Put(z); } public static void YN(bool i) { if (i) Put("Yes"); else Put("No"); } } public class Input { public static string Str => Console.ReadLine(); public static bool IsTypeEqual<T, U>() => typeof(T).Equals(typeof(U)); public static T ConvertType<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T)); public static T Cast<T>(string s) { if (IsTypeEqual<T, int>()) return ConvertType<T, int>(int.Parse(s)); else if (IsTypeEqual<T, long>()) return ConvertType<T, long>(long.Parse(s)); else if (IsTypeEqual<T, double>()) return ConvertType<T, double>(double.Parse(s)); else if (IsTypeEqual<T, char>()) return ConvertType<T, char>(char.Parse(s)); else return ConvertType<T, string>(s); } public static T[] Castarr<T>(string[] s) { var ret = new T[s.Length]; int i = 0; if (IsTypeEqual<T, char>()) { var list = new List<T>(); foreach (var t in s) { foreach (var u in t) { list.Add(ConvertType<T, char>(char.Parse(u.ToString()))); } } return list.ToArray(); } foreach (var t in s) { if (IsTypeEqual<T, int>()) ret[i++] = ConvertType<T, int>(int.Parse(t)); else if (IsTypeEqual<T, long>()) ret[i++] = ConvertType<T, long>(long.Parse(t)); else if (IsTypeEqual<T, double>()) ret[i++] = ConvertType<T, double>(double.Parse(t)); else ret[i++] = ConvertType<T, string>(t); } return ret; } Queue<string> q = new Queue<string>(); void next() { var ss = Str.Split(' '); foreach (var item in ss) q.Enqueue(item); } public T cin<T>() { if (!q.Any()) next(); return Cast<T>(q.Dequeue()); } public void mul<T>(out T t) { t = cin<T>(); } public void mul<T, U>(out T t, out U u) { t = cin<T>(); u = cin<U>(); } public void mul<T, U, V>(out T t, out U u, out V v) { t = cin<T>(); u = cin<U>(); v = cin<V>(); } public void mul<T, U, V, W>(out T t, out U u, out V v, out W w) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); } public void mul<T, U, V, W, X>(out T t, out U u, out V v, out W w, out X x) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); } public void mul<T, U, V, W, X, Y>(out T t, out U u, out V v, out W w, out X x, out Y y) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); y = cin<Y>(); } public void mul<T, U, V, W, X, Y, Z>(out T t, out U u, out V v, out W w, out X x, out Y y, out Z z) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); y = cin<Y>(); z = cin<Z>(); } public T[] cinarr<T>() { return Castarr<T>(Str.Split(' ')); } }
using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Runtime.InteropServices; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using static System.Math; using static Math2; using static Output; using static Utils; public class CP { Input sc; public void Solve() { sc = new Input(); var t = 1; // var sw = new Stopwatch(); // sw.Start(); while (t-- > 0) { case1(); } // sw.Stop(); // Put(sw.ElapsedMilliseconds + "ms"); } public void case1() { var H = sc.cin<int>(); var W = sc.cin<int>(); var N = sc.cin<int>(); var Sr = sc.cin<int>(); var Sc = sc.cin<int>(); var S = sc.cin<string>(); var T = sc.cin<string>(); var l = 1; var r = W; for (int i = N - 1; i >= 0; --i) { if (i != N - 1 && T[i] == 'L') r = Min(r + 1, W); if (i != N - 1 && T[i] == 'R') l = Max(l - 1, 1); if (S[i] == 'L') l++; if (S[i] == 'R') r--; if (l > r) { Put("NO"); return; } } if (Sc < l || Sc > r) { Put("NO"); return; } l = 1; r = H; for (int i = N - 1; i >= 0; --i) { if (i != N - 1 && T[i] == 'U') r = Min(r + 1, H); if (i != N - 1 && T[i] == 'D') l = Max(l - 1, 1); if (S[i] == 'U') l++; if (S[i] == 'D') r--; if (l > r) { Put("NO"); return; } } if (Sr < l || Sr > r) { Put("NO"); return; } Put("YES"); } } public class BinarySearch { public static int Lower_Bound<T>(IList<T> Array, T Target) { return Lower_Bound<T>(Array, Target, Comparer<T>.Default.Compare); } public static int Lower_Bound<T>(IList<T> Array, T Target, Comparison<T> Comp) { var cmp = Comparer<T>.Create(Comp); var l = -1; // always ng var r = Array.Count(); // always ok while (r - l > 1) { var mid = l + (r - l) / 2; var res = cmp.Compare(Array[mid], Target); if (res >= 0) r = mid; else l = mid; } return r; } public static int Upper_Bound<T>(IList<T> Array, T Target) { return Upper_Bound<T>(Array, Target, Comparer<T>.Default.Compare); } public static int Upper_Bound<T>(IList<T> Array, T Target, Comparison<T> Comp) { var cmp = Comparer<T>.Create(Comp); var l = -1; var r = Array.Count; while (r - l > 1) { var mid = l + (r - l) / 2; var res = cmp.Compare(Array[mid], Target); if (res > 0) r = mid; else l = mid; } return r; } public static bool Contains<T>(IList<T> Arr, T Target) { return Contains<T>(Arr, Target, Comparer<T>.Default.Compare); } public static bool Contains<T>(IList<T> Arr, T Target, Comparison<T> Comp) { return (Upper_Bound(Arr, Target, Comp) - Lower_Bound(Arr, Target, Comp) > 0); } } public static class Math2 { public const int INF = 1 << 29; public const long INFL = 1L << 60; public const long MOD = 1000000007; public const long MOD2 = 998244353; public static long Power(long a, long b, long MOD = 1000000007) // i^N { long res = 1; while (b > 0) { if ((b & 1) != 0) res = res * a % MOD; a = a * a % MOD; b >>= 1; } return res; } public static long Power2(long a, long b) // i^N { long res = 1; while (b > 0) { if ((b & 1) != 0) res = res * a; a = a * a; b >>= 1; } return res; } public static long GCD(long a, long b) { if (a == 0) return b; while (b > 0) { var r = a % b; a = b; b = r; } return a; } public static long LCM(long a, long b) => (b / GCD(a, b)) * a; public static long Comb(long n, long r, int MOD = 1000000007) { if (r > n - r) r = n - r; long Nume = 1; long Deno = 1; if (r > n - r) r = n - r; for (long i = 1; i <= r; ++i) { Deno = (Deno * i) % MOD; Nume = Nume * (n - i + 1) % MOD; } return (Nume * inv(Deno)) % MOD; } public static long Comb2(long n, long r) { long Nume = 1; long Deno = 1; if (r > n - r) r = n - r; for (long i = 1; i <= r; ++i) { Deno *= i; Nume *= n - i + 1; } return Nume / Deno; } public static long inv(long x, int MOD = 1000000007) { return Power(x, MOD - 2, MOD); } } public static class Utils { public static int popcnt(long a) { int cnt = 0; while (a > 0) { if ((a & 1) == 1) ++cnt; a >>= 1; } return cnt; } public static void Swap<T>(ref T A, ref T B) { T x = A; A = B; B = x; } public static int DigitSum(string N) { int ret = 0; for (int i = 0; i < N.Length; ++i) ret += N[i] - '0'; return ret; } public static string ConvertBase(long N, int K) { StringBuilder ret = new StringBuilder(); while (N > 0) { var r = N % K; N /= K; ret.Append(r); } return new string(ret.ToString().ToCharArray().Reverse().ToArray()); } public static bool NextPermutation<T>(IList<T> lis, Comparison<T> cmp) { int n = lis.Count; int i = n - 1; while (i - 1 >= 0) { if (cmp(lis[i - 1], lis[i]) < 0) break; --i; } if (i == 0) return false; int j = i; while (j + 1 < n) { if (cmp(lis[i - 1], lis[j + 1]) > 0) break; ++j; } var _q = lis[j]; lis[j] = lis[i - 1]; lis[i - 1] = _q; int k = i; int l = n - 1; while (k < l) { var _p = lis[k]; lis[k] = lis[l]; lis[l] = _p; ++k; --l; } return true; } public static bool NextPermutation<T>(IList<T> lis) => NextPermutation(lis, Comparer<T>.Default.Compare); } public class PriorityQueue<T> { List<T> _item; public int Count { get { return _item.Count; } } bool _isascend { get; set; } public T Peek { get { return _item[0]; } } Comparison<T> Comp; public PriorityQueue(bool IsAscend = true, IEnumerable<T> list = null) : this(Comparer<T>.Default.Compare, IsAscend, list) {} public PriorityQueue(Comparison<T> cmp, bool IsAscend = true, IEnumerable<T> list = null) { _item = new List<T>(); _isascend = IsAscend; this.Comp = cmp; if (list != null) { _item.AddRange(list); Build(); } } private int Compare(int i, int j) => (_isascend ? -1 : 1) * Comp(_item[i], _item[j]); private void Swap(int i, int j) { var t = _item[i]; _item[i] = _item[j]; _item[j] = t; } private int Parent(int i) => (i - 1) >> 1; private int Left(int i) => (i << 1) + 1; public T Enqueue(T val) { int i = _item.Count; _item.Add(val); while (i > 0) { int p = Parent(i); if (Compare(i, p) > 0) Swap(i, p); i = p; } return val; } private void Heapify(int index) { for (int i = index, j; (j = Left(i)) < _item.Count; i = j) { if (j != _item.Count - 1 && Compare(j, j + 1) < 0) j++; if (Compare(i, j) < 0) Swap(i, j); } } public T Dequeue() { T val = _item[0]; _item[0] = _item[_item.Count - 1]; _item.RemoveAt(_item.Count - 1); Heapify(0); return val; } private void Build() { for (var i = (_item.Count >> 1) - 1; i >= 0; i--) Heapify(i); } public bool Any() => Count > 0; } class Program { static void Main(string[] args) { var CP = new CP(); CP.Solve(); } } public static class Output { public static void Put(string a) => Console.WriteLine(a); public static void Put(params object[] i) => Put(string.Join(" ", i)); public static void Put<T>(IEnumerable<T> a) => Put(string.Join(" ", a)); public static void PutV<T>(IEnumerable<T> a) { foreach (var z in a) Put(z); } public static void YN(bool i) { if (i) Put("Yes"); else Put("No"); } } public class Input { public static string Str => Console.ReadLine(); public static bool IsTypeEqual<T, U>() => typeof(T).Equals(typeof(U)); public static T ConvertType<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T)); public static T Cast<T>(string s) { if (IsTypeEqual<T, int>()) return ConvertType<T, int>(int.Parse(s)); else if (IsTypeEqual<T, long>()) return ConvertType<T, long>(long.Parse(s)); else if (IsTypeEqual<T, double>()) return ConvertType<T, double>(double.Parse(s)); else if (IsTypeEqual<T, char>()) return ConvertType<T, char>(char.Parse(s)); else return ConvertType<T, string>(s); } public static T[] Castarr<T>(string[] s) { var ret = new T[s.Length]; int i = 0; if (IsTypeEqual<T, char>()) { var list = new List<T>(); foreach (var t in s) { foreach (var u in t) { list.Add(ConvertType<T, char>(char.Parse(u.ToString()))); } } return list.ToArray(); } foreach (var t in s) { if (IsTypeEqual<T, int>()) ret[i++] = ConvertType<T, int>(int.Parse(t)); else if (IsTypeEqual<T, long>()) ret[i++] = ConvertType<T, long>(long.Parse(t)); else if (IsTypeEqual<T, double>()) ret[i++] = ConvertType<T, double>(double.Parse(t)); else ret[i++] = ConvertType<T, string>(t); } return ret; } Queue<string> q = new Queue<string>(); void next() { var ss = Str.Split(' '); foreach (var item in ss) q.Enqueue(item); } public T cin<T>() { if (!q.Any()) next(); return Cast<T>(q.Dequeue()); } public void mul<T>(out T t) { t = cin<T>(); } public void mul<T, U>(out T t, out U u) { t = cin<T>(); u = cin<U>(); } public void mul<T, U, V>(out T t, out U u, out V v) { t = cin<T>(); u = cin<U>(); v = cin<V>(); } public void mul<T, U, V, W>(out T t, out U u, out V v, out W w) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); } public void mul<T, U, V, W, X>(out T t, out U u, out V v, out W w, out X x) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); } public void mul<T, U, V, W, X, Y>(out T t, out U u, out V v, out W w, out X x, out Y y) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); y = cin<Y>(); } public void mul<T, U, V, W, X, Y, Z>(out T t, out U u, out V v, out W w, out X x, out Y y, out Z z) { t = cin<T>(); u = cin<U>(); v = cin<V>(); w = cin<W>(); x = cin<X>(); y = cin<Y>(); z = cin<Z>(); } public T[] cinarr<T>() { return Castarr<T>(Str.Split(' ')); } }
[["+", 0, 195, 8, 196, 0, 7, 8, 196, 0, 46], ["-", 0, 195, 8, 196, 0, 7, 8, 196, 0, 46], ["+", 0, 7, 8, 196, 0, 57, 64, 196, 0, 46], ["-", 0, 7, 8, 196, 0, 57, 64, 196, 0, 46], ["-", 8, 201, 0, 195, 8, 196, 0, 1, 0, 35], ["-", 8, 201, 0, 195, 8, 196, 0, 37, 0, 38]]
8
3,443
6
using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Runtime.CompilerServices; using System.Text; using System.Diagnostics; using System.Numerics; using static System.Console; using static System.Convert; using static System.Math; using static Template; using Pi = Pair<int, int>; class Solver { public void Solve(Scanner sc) { int H, W, N; sc.Make(out H, out W, out N); int str, stc; sc.Make(out str, out stc); str--; stc--; var S = Create(2, () => sc.Str); var lr = new List<Pi>(); var ud = new List<Pi>(); for (int i = 0; i < N; i++) { for (int k = 0; k < 2; k++) { switch (S[k][i]) { case 'L': lr.Add(new Pi(0, k)); break; case 'R': lr.Add(new Pi(1, k)); break; case 'U': ud.Add(new Pi(0, k)); break; case 'D': ud.Add(new Pi(1, k)); break; } } } lr.Reverse(); ud.Reverse(); int l = 0, r = W - 1; foreach (var p in lr) { if (p.v2 == 0) { if (p.v1 == 0) l++; else r--; } else { if (p.v1 == 1) l = Max(0, l - 1); else r = Min(W - 1, r + 1); } if (r < l) Fail("NO"); } if (stc < l || r < stc) Fail("NO"); int u = 0, d = H - 1; foreach (var p in ud) { if (p.v2 == 0) { if (p.v1 == 0) u++; else d--; } else { if (p.v1 == 1) u = Max(0, u - 1); else d = Min(W - 1, d + 1); } if (d < u) Fail("NO"); } if (str < u || d < str) Fail("NO"); Console.WriteLine("YES"); } } #region Template public static class Template { static void Main(string[] args) { Console.SetOut( new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); new Solver().Solve(new Scanner()); Console.Out.Flush(); } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmin<T>(ref T a, T b) where T : IComparable<T> { if (a.CompareTo(b) > 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmax<T>(ref T a, T b) where T : IComparable<T> { if (a.CompareTo(b) < 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap<T>(ref T a, ref T b) { var t = b; b = a; a = t; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap<T>(this IList<T> A, int i, int j) { var t = A[i]; A[i] = A[j]; A[j] = t; } public static T[] Create<T>(int n, Func<T> f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(); return rt; } public static T[] Create<T>(int n, Func<int, T> f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(i); return rt; } public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> A) => A.OrderBy(v => Guid.NewGuid()); public static int CompareTo<T>(this T[] A, T[] B, Comparison<T> cmp = null) { cmp = cmp ?? Comparer<T>.Default.Compare; for (var i = 0; i < Min(A.Length, B.Length); i++) { int c = cmp(A[i], B[i]); if (c > 0) return 1; else if (c < 0) return -1; } if (A.Length == B.Length) return 0; if (A.Length > B.Length) return 1; else return -1; } public static int MaxElement<T>(this IList<T> A, Comparison<T> cmp = null) { cmp = cmp ?? Comparer<T>.Default.Compare; T max = A[0]; int rt = 0; for (int i = 1; i < A.Count; i++) if (cmp(max, A[i]) < 0) { max = A[i]; rt = i; } return rt; } public static T PopBack<T>(this List<T> A) { var v = A[A.Count - 1]; A.RemoveAt(A.Count - 1); return v; } public static void Fail<T>(T s) { Console.WriteLine(s); Console.Out.Close(); Environment.Exit(0); } } public class Scanner { public string Str => Console.ReadLine().Trim(); public int Int => int.Parse(Str); public long Long => long.Parse(Str); public double Double => double.Parse(Str); public int[] ArrInt => Str.Split(' ').Select(int.Parse).ToArray(); public long[] ArrLong => Str.Split(' ').Select(long.Parse).ToArray(); public char[][] Grid(int n) => Create(n, () => Str.ToCharArray()); public int[] ArrInt1D(int n) => Create(n, () => Int); public long[] ArrLong1D(int n) => Create(n, () => Long); public int[][] ArrInt2D(int n) => Create(n, () => ArrInt); public long[][] ArrLong2D(int n) => Create(n, () => ArrLong); private Queue<string> q = new Queue<string>(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public T Next<T>() { if (q.Count == 0) foreach (var item in Str.Split(' ')) q.Enqueue(item); return (T)Convert.ChangeType(q.Dequeue(), typeof(T)); } public void Make<T1>(out T1 v1) => v1 = Next<T1>(); public void Make<T1, T2>(out T1 v1, out T2 v2) { v1 = Next<T1>(); v2 = Next<T2>(); } public void Make<T1, T2, T3>(out T1 v1, out T2 v2, out T3 v3) { Make(out v1, out v2); v3 = Next<T3>(); } public void Make<T1, T2, T3, T4>(out T1 v1, out T2 v2, out T3 v3, out T4 v4) { Make(out v1, out v2, out v3); v4 = Next<T4>(); } public void Make<T1, T2, T3, T4, T5>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5) { Make(out v1, out v2, out v3, out v4); v5 = Next<T5>(); } public void Make<T1, T2, T3, T4, T5, T6>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6) { Make(out v1, out v2, out v3, out v4, out v5); v6 = Next<T6>(); } public void Make<T1, T2, T3, T4, T5, T6, T7>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6, out T7 v7) { Make(out v1, out v2, out v3, out v4, out v5, out v6); v7 = Next<T7>(); } // public (T1, T2) Make<T1, T2>() { Make(out T1 v1, out T2 v2); return (v1, // v2); } public (T1, T2, T3) Make<T1, T2, T3>() { Make(out T1 v1, out T2 v2, // out T3 v3); return (v1, v2, v3); } public (T1, T2, T3, T4) Make<T1, T2, T3, // T4>() { Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4); return (v1, v2, // v3, v4); } } public class Pair<T1, T2> : IComparable<Pair<T1, T2>> { public T1 v1; public T2 v2; public Pair() {} public Pair(T1 v1, T2 v2) { this.v1 = v1; this.v2 = v2; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public int CompareTo(Pair<T1, T2> p) { var c = Comparer<T1>.Default.Compare(v1, p.v1); if (c == 0) c = Comparer<T2>.Default.Compare(v2, p.v2); return c; } public override string ToString() => $"{v1.ToString()} {v2.ToString()}"; public void Deconstruct(out T1 a, out T2 b) { a = v1; b = v2; } } public class Pair<T1, T2, T3> : Pair<T1, T2>, IComparable<Pair<T1, T2, T3>> { public T3 v3; public Pair() : base() {} public Pair(T1 v1, T2 v2, T3 v3) : base(v1, v2) { this.v3 = v3; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public int CompareTo(Pair<T1, T2, T3> p) { var c = base.CompareTo(p); if (c == 0) c = Comparer<T3>.Default.Compare(v3, p.v3); return c; } public override string ToString() => $"{base.ToString()} {v3.ToString()}"; public void Deconstruct(out T1 a, out T2 b, out T3 c) { Deconstruct(out a, out b); c = v3; } } #endregion
using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Runtime.CompilerServices; using System.Text; using System.Diagnostics; using System.Numerics; using static System.Console; using static System.Convert; using static System.Math; using static Template; using Pi = Pair<int, int>; class Solver { public void Solve(Scanner sc) { int H, W, N; sc.Make(out H, out W, out N); int str, stc; sc.Make(out str, out stc); str--; stc--; var S = Create(2, () => sc.Str); var lr = new List<Pi>(); var ud = new List<Pi>(); for (int i = 0; i < N; i++) { for (int k = 0; k < 2; k++) { switch (S[k][i]) { case 'L': lr.Add(new Pi(0, k)); break; case 'R': lr.Add(new Pi(1, k)); break; case 'U': ud.Add(new Pi(0, k)); break; case 'D': ud.Add(new Pi(1, k)); break; } } } lr.Reverse(); ud.Reverse(); int l = 0, r = W - 1; foreach (var p in lr) { if (p.v2 == 0) { if (p.v1 == 0) l++; else r--; } else { if (p.v1 == 1) l = Max(0, l - 1); else r = Min(W - 1, r + 1); } if (r < l) Fail("NO"); } if (stc < l || r < stc) Fail("NO"); int u = 0, d = H - 1; foreach (var p in ud) { if (p.v2 == 0) { if (p.v1 == 0) u++; else d--; } else { if (p.v1 == 1) u = Max(0, u - 1); else d = Min(H - 1, d + 1); } if (d < u) Fail("NO"); } if (str < u || d < str) Fail("NO"); Console.WriteLine("YES"); } } #region Template public static class Template { static void Main(string[] args) { Console.SetOut( new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); new Solver().Solve(new Scanner()); Console.Out.Flush(); } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmin<T>(ref T a, T b) where T : IComparable<T> { if (a.CompareTo(b) > 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static bool chmax<T>(ref T a, T b) where T : IComparable<T> { if (a.CompareTo(b) < 0) { a = b; return true; } return false; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap<T>(ref T a, ref T b) { var t = b; b = a; a = t; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public static void swap<T>(this IList<T> A, int i, int j) { var t = A[i]; A[i] = A[j]; A[j] = t; } public static T[] Create<T>(int n, Func<T> f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(); return rt; } public static T[] Create<T>(int n, Func<int, T> f) { var rt = new T[n]; for (var i = 0; i < rt.Length; ++i) rt[i] = f(i); return rt; } public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> A) => A.OrderBy(v => Guid.NewGuid()); public static int CompareTo<T>(this T[] A, T[] B, Comparison<T> cmp = null) { cmp = cmp ?? Comparer<T>.Default.Compare; for (var i = 0; i < Min(A.Length, B.Length); i++) { int c = cmp(A[i], B[i]); if (c > 0) return 1; else if (c < 0) return -1; } if (A.Length == B.Length) return 0; if (A.Length > B.Length) return 1; else return -1; } public static int MaxElement<T>(this IList<T> A, Comparison<T> cmp = null) { cmp = cmp ?? Comparer<T>.Default.Compare; T max = A[0]; int rt = 0; for (int i = 1; i < A.Count; i++) if (cmp(max, A[i]) < 0) { max = A[i]; rt = i; } return rt; } public static T PopBack<T>(this List<T> A) { var v = A[A.Count - 1]; A.RemoveAt(A.Count - 1); return v; } public static void Fail<T>(T s) { Console.WriteLine(s); Console.Out.Close(); Environment.Exit(0); } } public class Scanner { public string Str => Console.ReadLine().Trim(); public int Int => int.Parse(Str); public long Long => long.Parse(Str); public double Double => double.Parse(Str); public int[] ArrInt => Str.Split(' ').Select(int.Parse).ToArray(); public long[] ArrLong => Str.Split(' ').Select(long.Parse).ToArray(); public char[][] Grid(int n) => Create(n, () => Str.ToCharArray()); public int[] ArrInt1D(int n) => Create(n, () => Int); public long[] ArrLong1D(int n) => Create(n, () => Long); public int[][] ArrInt2D(int n) => Create(n, () => ArrInt); public long[][] ArrLong2D(int n) => Create(n, () => ArrLong); private Queue<string> q = new Queue<string>(); [MethodImpl(MethodImplOptions.AggressiveInlining)] public T Next<T>() { if (q.Count == 0) foreach (var item in Str.Split(' ')) q.Enqueue(item); return (T)Convert.ChangeType(q.Dequeue(), typeof(T)); } public void Make<T1>(out T1 v1) => v1 = Next<T1>(); public void Make<T1, T2>(out T1 v1, out T2 v2) { v1 = Next<T1>(); v2 = Next<T2>(); } public void Make<T1, T2, T3>(out T1 v1, out T2 v2, out T3 v3) { Make(out v1, out v2); v3 = Next<T3>(); } public void Make<T1, T2, T3, T4>(out T1 v1, out T2 v2, out T3 v3, out T4 v4) { Make(out v1, out v2, out v3); v4 = Next<T4>(); } public void Make<T1, T2, T3, T4, T5>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5) { Make(out v1, out v2, out v3, out v4); v5 = Next<T5>(); } public void Make<T1, T2, T3, T4, T5, T6>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6) { Make(out v1, out v2, out v3, out v4, out v5); v6 = Next<T6>(); } public void Make<T1, T2, T3, T4, T5, T6, T7>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6, out T7 v7) { Make(out v1, out v2, out v3, out v4, out v5, out v6); v7 = Next<T7>(); } // public (T1, T2) Make<T1, T2>() { Make(out T1 v1, out T2 v2); return (v1, // v2); } public (T1, T2, T3) Make<T1, T2, T3>() { Make(out T1 v1, out T2 v2, // out T3 v3); return (v1, v2, v3); } public (T1, T2, T3, T4) Make<T1, T2, T3, // T4>() { Make(out T1 v1, out T2 v2, out T3 v3, out T4 v4); return (v1, v2, // v3, v4); } } public class Pair<T1, T2> : IComparable<Pair<T1, T2>> { public T1 v1; public T2 v2; public Pair() {} public Pair(T1 v1, T2 v2) { this.v1 = v1; this.v2 = v2; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public int CompareTo(Pair<T1, T2> p) { var c = Comparer<T1>.Default.Compare(v1, p.v1); if (c == 0) c = Comparer<T2>.Default.Compare(v2, p.v2); return c; } public override string ToString() => $"{v1.ToString()} {v2.ToString()}"; public void Deconstruct(out T1 a, out T2 b) { a = v1; b = v2; } } public class Pair<T1, T2, T3> : Pair<T1, T2>, IComparable<Pair<T1, T2, T3>> { public T3 v3; public Pair() : base() {} public Pair(T1 v1, T2 v2, T3 v3) : base(v1, v2) { this.v3 = v3; } [MethodImpl(MethodImplOptions.AggressiveInlining)] public int CompareTo(Pair<T1, T2, T3> p) { var c = base.CompareTo(p); if (c == 0) c = Comparer<T3>.Default.Compare(v3, p.v3); return c; } public override string ToString() => $"{base.ToString()} {v3.ToString()}"; public void Deconstruct(out T1 a, out T2 b, out T3 c) { Deconstruct(out a, out b); c = v3; } } #endregion
[["-", 12, 213, 3, 4, 0, 28, 0, 16, 31, 22], ["+", 12, 213, 3, 4, 0, 28, 0, 16, 31, 22]]
8
2,287
2
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using System.Collections; class Program { static void Main() { int[] hwn = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int H = hwn[0]; int W = hwn[1]; int N = hwn[2]; int[] rc = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int sr = rc[0]; int sc = rc[1]; string S = Console.ReadLine(); string T = Console.ReadLine(); bool isRemain = true; //横方向判定 { int rangeSt = 1; int rangeEd = W; for (int i = S.Length - 1; i >= 0; i--) { char chT = T[i]; char chS = S[i]; //後手の補正 if (chT == 'R') { //この後手を指す直前に居ても大丈夫な範囲が左側に1増える rangeSt = Math.Max(rangeSt - 1, 1); } else if (chT == 'L') { //この後手を指す直前に居ても大丈夫な範囲が右側に1増える rangeEd = Math.Min(rangeEd + 1, W); } //後手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd > rangeSt) { isRemain = false; } //先手の補正 if (chS == 'R') { //この先手を指す直前に居ても大丈夫な範囲が右側から1縮む rangeEd--; } else if (chS == 'L') { //この先手を指す直前にいても大丈夫な範囲が左側から1縮む rangeSt++; } //先手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd > rangeSt) { isRemain = false; } } //更に初期座標が居ても良い範囲に含まれていない場合、後手の負けが確定 if (rangeSt > sc || sc > rangeEd) { isRemain = false; } } //縦方向判定 { int rangeSt = 1; int rangeEd = H; for (int i = S.Length - 1; i >= 0; i--) { char chT = T[i]; char chS = S[i]; //後手の補正 if (chT == 'D') { //この後手を指す直前に居ても大丈夫な範囲が上側に1増える rangeSt = Math.Max(rangeSt - 1, 1); } else if (chT == 'U') { //この後手を指す直前に居ても大丈夫な範囲が下側に1増える rangeEd = Math.Min(rangeEd + 1, H); } //後手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd > rangeSt) { isRemain = false; } //先手の補正 if (chS == 'D') { //この先手を指す直前に居ても大丈夫な範囲が下側から1縮む rangeEd--; } else if (chS == 'U') { //この先手を指す直前にいても大丈夫な範囲が上側から1縮む rangeSt++; } //先手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd > rangeSt) { isRemain = false; } } //更に初期座標が居ても良い範囲に含まれていない場合、後手の負けが確定 if (rangeSt > sr || sr > rangeEd) { isRemain = false; } } Console.WriteLine(isRemain ? "YES" : "NO"); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using System.Collections; class Program { static void Main() { int[] hwn = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int H = hwn[0]; int W = hwn[1]; int N = hwn[2]; int[] rc = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int sr = rc[0]; int sc = rc[1]; string S = Console.ReadLine(); string T = Console.ReadLine(); bool isRemain = true; //横方向判定 { int rangeSt = 1; int rangeEd = W; for (int i = S.Length - 1; i >= 0; i--) { char chT = T[i]; char chS = S[i]; //後手の補正 if (chT == 'R') { //この後手を指す直前に居ても大丈夫な範囲が左側に1増える rangeSt = Math.Max(rangeSt - 1, 1); } else if (chT == 'L') { //この後手を指す直前に居ても大丈夫な範囲が右側に1増える rangeEd = Math.Min(rangeEd + 1, W); } //後手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd < rangeSt) { isRemain = false; } //先手の補正 if (chS == 'R') { //この先手を指す直前に居ても大丈夫な範囲が右側から1縮む rangeEd--; } else if (chS == 'L') { //この先手を指す直前にいても大丈夫な範囲が左側から1縮む rangeSt++; } //先手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd < rangeSt) { isRemain = false; } } //更に初期座標が居ても良い範囲に含まれていない場合、後手の負けが確定 if (rangeSt > sc || sc > rangeEd) { isRemain = false; } } //縦方向判定 { int rangeSt = 1; int rangeEd = H; for (int i = S.Length - 1; i >= 0; i--) { char chT = T[i]; char chS = S[i]; //後手の補正 if (chT == 'D') { //この後手を指す直前に居ても大丈夫な範囲が上側に1増える rangeSt = Math.Max(rangeSt - 1, 1); } else if (chT == 'U') { //この後手を指す直前に居ても大丈夫な範囲が下側に1増える rangeEd = Math.Min(rangeEd + 1, H); } //後手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd < rangeSt) { isRemain = false; } //先手の補正 if (chS == 'D') { //この先手を指す直前に居ても大丈夫な範囲が下側から1縮む rangeEd--; } else if (chS == 'U') { //この先手を指す直前にいても大丈夫な範囲が上側から1縮む rangeSt++; } //先手が始まる前にいても良い範囲がない時点で後手の負けは確定 if (rangeEd < rangeSt) { isRemain = false; } } //更に初期座標が居ても良い範囲に含まれていない場合、後手の負けが確定 if (rangeSt > sr || sr > rangeEd) { isRemain = false; } } Console.WriteLine(isRemain ? "YES" : "NO"); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
[["-", 0, 7, 8, 196, 0, 57, 15, 16, 17, 47], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 18]]
8
775
8
using System; using System.Collections.Generic; using System.Linq; using System.Text; using static System.Console; using static System.Math; namespace AtTest.AGC_033 { class B { static void Main(string[] args) { Method(args); } static void Method(string[] args) { int[] hwn = ReadInts(); int h = hwn[0]; int w = hwn[1]; int n = hwn[2]; int[] spos = ReadInts(); string s = Read(); string t = Read(); int x = spos[0]; for (int i = 0; i < n; i++) { if (s[i] == 'R') x++; if (x > w) { WriteLine("NO"); return; } if (x > 1 && t[i] == 'L') x--; } x = spos[0]; for (int i = 0; i < n; i++) { if (s[i] == 'L') x--; if (x < 1) { WriteLine("NO"); return; } if (x < h && t[i] == 'R') x++; } int y = spos[1]; for (int i = 0; i < n; i++) { if (s[i] == 'D') y++; if (y > h) { WriteLine("NO"); return; } if (y > 1 && t[i] == 'U') y--; } y = spos[1]; for (int i = 0; i < n; i++) { if (s[i] == 'U') y--; if (y < 1) { WriteLine("NO"); return; } if (y < h && t[i] == 'D') y++; } WriteLine("YES"); } private static string Read() { return ReadLine(); } private static char[] ReadChars() { return Array.ConvertAll(Read().Split(), a => a[0]); } private static int ReadInt() { return int.Parse(Read()); } private static long ReadLong() { return long.Parse(Read()); } private static double ReadDouble() { return double.Parse(Read()); } private static int[] ReadInts() { return Array.ConvertAll(Read().Split(), int.Parse); } private static long[] ReadLongs() { return Array.ConvertAll(Read().Split(), long.Parse); } private static double[] ReadDoubles() { return Array.ConvertAll(Read().Split(), double.Parse); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using static System.Console; using static System.Math; namespace AtTest.AGC_033 { class B { static void Main(string[] args) { Method(args); } static void Method(string[] args) { int[] hwn = ReadInts(); int h = hwn[0]; int w = hwn[1]; int n = hwn[2]; int[] spos = ReadInts(); string s = Read(); string t = Read(); int x = spos[1]; for (int i = 0; i < n; i++) { if (s[i] == 'R') x++; if (x > w) { WriteLine("NO"); return; } if (x > 1 && t[i] == 'L') x--; } x = spos[1]; for (int i = 0; i < n; i++) { if (s[i] == 'L') x--; if (x < 1) { WriteLine("NO"); return; } if (x < h && t[i] == 'R') x++; } int y = spos[0]; for (int i = 0; i < n; i++) { if (s[i] == 'D') y++; if (y > h) { WriteLine("NO"); return; } if (y > 1 && t[i] == 'U') y--; } y = spos[0]; for (int i = 0; i < n; i++) { if (s[i] == 'U') y--; if (y < 1) { WriteLine("NO"); return; } if (y < h && t[i] == 'D') y++; } WriteLine("YES"); } private static string Read() { return ReadLine(); } private static char[] ReadChars() { return Array.ConvertAll(Read().Split(), a => a[0]); } private static int ReadInt() { return int.Parse(Read()); } private static long ReadLong() { return long.Parse(Read()); } private static double ReadDouble() { return double.Parse(Read()); } private static int[] ReadInts() { return Array.ConvertAll(Read().Split(), int.Parse); } private static long[] ReadLongs() { return Array.ConvertAll(Read().Split(), long.Parse); } private static double[] ReadDoubles() { return Array.ConvertAll(Read().Split(), double.Parse); } } }
[["-", 0, 212, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 212, 0, 204, 206, 207, 0, 28, 0, 203], ["-", 0, 11, 12, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 11, 12, 204, 206, 207, 0, 28, 0, 203]]
8
604
8
using System; using System.Collections.Generic; using System.Linq; namespace Hayadoki20200309A { class Input { /// <summary> /// 1行の入力を取得する /// </summary> /// <returns>文字列</returns> public void String(out string s) { s = Console.ReadLine(); } /// <summary> /// 複数行の入力を取得 /// </summary> /// <returns>文字列の配列</returns> public void String(long rowNumber, out string[] s) { s = new String[rowNumber]; for (long i = 0; i < rowNumber; i++) { String(out s[i]); } } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>int型の値</returns> public void Int(out int i) { string s; String(out s); i = int.Parse(s); } /// <summary> /// 1行の入力を取得 /// </summary> /// <param name="a"></param> public void Long(out long a) { string s; String(out s); a = long.Parse(s); } /// <summary> /// 2つの整数が1行に書かれている入力を、2つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> public void Long(out long a, out long b) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; } /// <summary> /// 3つの整数が1行に書かれている入力を、3つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> public void Long(out long a, out long b, out long c) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; c = lArr[2]; } /// <summary> /// 4つの整数が1行に書かれている入力を、4つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> /// <param name="d"></param> public void Long(out long a, out long b, out long c, out long d) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; c = lArr[2]; d = lArr[3]; } public void Long(out long[] lArr) { lArr = Split().Select(long.Parse).ToArray(); } public void Long(long rowNumber, out long[] lArr) { lArr = new long[rowNumber]; for (long i = 0; i < rowNumber; i++) { Long(out lArr[i]); } } /// <summary> /// 2つの整数が複数行に書かれている入力を、2つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> public void Long(long rowNumber, out long[] a, out long[] b) { a = new long[rowNumber]; b = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i]); } } /// <summary> /// 3つの整数が複数行に書かれている入力を、3つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> public void Long(long rowNumber, out long[] a, out long[] b, out long[] c) { a = new long[rowNumber]; b = new long[rowNumber]; c = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i], out c[i]); } } /// <summary> /// 4つの整数が複数行に書かれている入力を、4つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> /// <param name="d"></param> public void Long(long rowNumber, out long[] a, out long[] b, out long[] c, out long[] d) { a = new long[rowNumber]; b = new long[rowNumber]; c = new long[rowNumber]; d = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i], out c[i], out d[i]); } } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>double型の値</returns> public void Double(out double d) { string s; String(out s); d = double.Parse(s); } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>double型の配列</returns> public void Double(out double[] dArr) { dArr = Split().Select(double.Parse).ToArray(); } private IEnumerable<string> Split() { string s; String(out s); return s.Split(' '); } } class Program { static void Main(string[] args) { Solver solver = new Solver(); solver.Solve(); } } class Solver { private Input input = new Input(); private long A; private long B; private long T; public Solver() { input.Long(out A, out B, out T); } public void Solve() { long ans = 0; for (long i = 1; i < T; i++) { if (i % A == 0) { ans += B; } } Console.WriteLine(ans); } } }
using System; using System.Collections.Generic; using System.Linq; namespace Hayadoki20200309A { class Input { /// <summary> /// 1行の入力を取得する /// </summary> /// <returns>文字列</returns> public void String(out string s) { s = Console.ReadLine(); } /// <summary> /// 複数行の入力を取得 /// </summary> /// <returns>文字列の配列</returns> public void String(long rowNumber, out string[] s) { s = new String[rowNumber]; for (long i = 0; i < rowNumber; i++) { String(out s[i]); } } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>int型の値</returns> public void Int(out int i) { string s; String(out s); i = int.Parse(s); } /// <summary> /// 1行の入力を取得 /// </summary> /// <param name="a"></param> public void Long(out long a) { string s; String(out s); a = long.Parse(s); } /// <summary> /// 2つの整数が1行に書かれている入力を、2つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> public void Long(out long a, out long b) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; } /// <summary> /// 3つの整数が1行に書かれている入力を、3つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> public void Long(out long a, out long b, out long c) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; c = lArr[2]; } /// <summary> /// 4つの整数が1行に書かれている入力を、4つのlongで受け取る /// </summary> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> /// <param name="d"></param> public void Long(out long a, out long b, out long c, out long d) { long[] lArr; Long(out lArr); a = lArr[0]; b = lArr[1]; c = lArr[2]; d = lArr[3]; } public void Long(out long[] lArr) { lArr = Split().Select(long.Parse).ToArray(); } public void Long(long rowNumber, out long[] lArr) { lArr = new long[rowNumber]; for (long i = 0; i < rowNumber; i++) { Long(out lArr[i]); } } /// <summary> /// 2つの整数が複数行に書かれている入力を、2つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> public void Long(long rowNumber, out long[] a, out long[] b) { a = new long[rowNumber]; b = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i]); } } /// <summary> /// 3つの整数が複数行に書かれている入力を、3つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> public void Long(long rowNumber, out long[] a, out long[] b, out long[] c) { a = new long[rowNumber]; b = new long[rowNumber]; c = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i], out c[i]); } } /// <summary> /// 4つの整数が複数行に書かれている入力を、4つのlong[]で受け取る /// </summary> /// <param name="rowNumber"></param> /// <param name="a"></param> /// <param name="b"></param> /// <param name="c"></param> /// <param name="d"></param> public void Long(long rowNumber, out long[] a, out long[] b, out long[] c, out long[] d) { a = new long[rowNumber]; b = new long[rowNumber]; c = new long[rowNumber]; d = new long[rowNumber]; for (int i = 0; i < rowNumber; i++) { Long(out a[i], out b[i], out c[i], out d[i]); } } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>double型の値</returns> public void Double(out double d) { string s; String(out s); d = double.Parse(s); } /// <summary> /// 1行の入力を取得 /// </summary> /// <returns>double型の配列</returns> public void Double(out double[] dArr) { dArr = Split().Select(double.Parse).ToArray(); } private IEnumerable<string> Split() { string s; String(out s); return s.Split(' '); } } class Program { static void Main(string[] args) { Solver solver = new Solver(); solver.Solve(); } } class Solver { private Input input = new Input(); private long A; private long B; private long T; public Solver() { input.Long(out A, out B, out T); } public void Solve() { long ans = 0; for (long i = 1; i <= T; i++) { if (i % A == 0) { ans += B; } } Console.WriteLine(ans); } } }
[["-", 0, 195, 8, 196, 0, 7, 15, 16, 17, 18], ["+", 0, 195, 8, 196, 0, 7, 15, 16, 17, 19]]
8
908
2
using System; class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int A = int.Parse(input[0]); int B = int.Parse(input[1]); int T = int.Parse(input[2]); int count = 0; for (int time = 1; time < T; time++) { if (time % A == 0) { count += B; } } Console.WriteLine(count); } }
using System; class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int A = int.Parse(input[0]); int B = int.Parse(input[1]); int T = int.Parse(input[2]); int count = 0; for (int time = 1; time <= T; time++) { if (time % A == 0) { count += B; } } Console.WriteLine(count); } }
[["-", 0, 195, 8, 196, 0, 7, 15, 16, 17, 18], ["+", 0, 195, 8, 196, 0, 7, 15, 16, 17, 19]]
8
117
2
using System; using System.Linq; public class Test { public static void Main() { // your code goes here var c = Console.ReadLine().Split().Select(x => int.Parse(x)).ToArray(); int a = c[0]; int b = c[1]; int t = c[2]; int counter = 0; for (int i = 1; i < t; i++) { if (i % a == 0) { counter = counter + b; } } Console.WriteLine(counter); } }
using System; using System.Linq; public class Test { public static void Main() { // your code goes here var c = Console.ReadLine().Split().Select(x => int.Parse(x)).ToArray(); int a = c[0]; int b = c[1]; int t = c[2]; int counter = 0; for (int i = 1; i <= t; i++) { if (i % a == 0) { counter = counter + b; } } Console.WriteLine(counter); } }
[["-", 0, 195, 8, 196, 0, 7, 15, 16, 17, 18], ["+", 0, 195, 8, 196, 0, 7, 15, 16, 17, 19]]
8
119
2
using System; class Program { static void Main(string[] args) { var inputValues = Console.ReadLine().Split(' '); var A = int.Parse(inputValues[0]); var B = int.Parse(inputValues[1]); var T = int.Parse(inputValues[2]); var biscuit = 0; var sec = 1; while (A * sec < T) { biscuit += B; sec++; } Console.WriteLine(biscuit); } }
using System; class Program { static void Main(string[] args) { var inputValues = Console.ReadLine().Split(' '); var A = int.Parse(inputValues[0]); var B = int.Parse(inputValues[1]); var T = int.Parse(inputValues[2]); var biscuit = 0; var sec = 1; while (A * sec <= T) { biscuit += B; sec++; } Console.WriteLine(biscuit); } }
[["-", 0, 195, 8, 196, 0, 52, 15, 16, 17, 18], ["+", 0, 195, 8, 196, 0, 52, 15, 16, 17, 19]]
8
107
2
using System; using System.Threading.Tasks; static class Program { static void Main() { string[] inputs = Console.ReadLine().Split(' '); int A = int.Parse(inputs[0]); int B = int.Parse(inputs[1]); int T = int.Parse(inputs[2]); if (A > T) Console.WriteLine("0"); int sum = 0; for (int i = 1; i <= T; i++) { if (i % A == 0) sum += B; } Console.WriteLine(sum); } }
using System; using System.Threading.Tasks; static class Program { static void Main() { string[] inputs = Console.ReadLine().Split(' '); int A = int.Parse(inputs[0]); int B = int.Parse(inputs[1]); int T = int.Parse(inputs[2]); if (A > T) Console.WriteLine("0"); else { int sum = 0; for (int i = 1; i <= T; i++) { if (i % A == 0) sum += B; } Console.WriteLine(sum); } } }
[["+", 8, 201, 0, 195, 8, 196, 0, 57, 0, 95], ["+", 0, 195, 8, 196, 0, 57, 75, 196, 0, 45], ["+", 0, 195, 8, 196, 0, 57, 75, 196, 0, 46]]
8
134
3
using System; class Program { public static void Main(string[] args) { string[] sta = Console.ReadLine().Split(' '); int a = int.Parse(sta[0]); int b = int.Parse(sta[1]); int c = int.Parse(sta[2]); double d = c + 1.5; int e = (int)d / a; int ans = e * b; if (a > c) { ans = 0; } Console.WriteLine(ans); } }
using System; class Program { public static void Main(string[] args) { string[] sta = Console.ReadLine().Split(' '); int a = int.Parse(sta[0]); int b = int.Parse(sta[1]); int c = int.Parse(sta[2]); double d = c + 0.5; int e = (int)d / a; int ans = e * b; if (a > c) { ans = 0; } Console.WriteLine(ans); } }
[["-", 0, 198, 0, 200, 0, 212, 0, 16, 12, 250], ["+", 0, 198, 0, 200, 0, 212, 0, 16, 12, 250]]
8
119
2
using System; namespace AtCoder { class Program { static void Main(string[] args) { string[] abt = Console.ReadLine().Split(); var a = int.Parse(abt[0]); var b = int.Parse(abt[1]); var t = int.Parse(abt[2]); var ret = 0; for (var i = a; i < t; i += a) ret += b; Console.WriteLine(ret); } } }
using System; namespace AtCoder { class Program { static void Main(string[] args) { string[] abt = Console.ReadLine().Split(); var a = int.Parse(abt[0]); var b = int.Parse(abt[1]); var t = int.Parse(abt[2]); var ret = 0; for (var i = a; i <= t; i += a) ret += b; Console.WriteLine(ret); } } }
[["-", 0, 195, 8, 196, 0, 7, 15, 16, 17, 18], ["+", 0, 195, 8, 196, 0, 7, 15, 16, 17, 19]]
8
107
2
using System; using System.Collections.Generic; using System.Linq; namespace AtC { class Program { static void Main(string[] args) { var abt = ReadIntArray(); int A = abt[0], B = abt[1], T = abt[2]; Out((int)((T + .5) / A * B)); } static int[] ReadIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } static int ReadInt() { return int.Parse(Console.ReadLine()); } static long[] ReadLongArray() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } static long ReadLong() { return long.Parse(Console.ReadLine()); } static string ReadString() { return Console.ReadLine(); } static void Out(object o) { Console.WriteLine(o); } } static class EnumerableExtension { public delegate void Function<in T>(T val); public static void ForEach<T>(this IEnumerable<T> enumerable, Function<T> function) { foreach (var x in enumerable) { function(x); } } } }
using System; using System.Collections.Generic; using System.Linq; namespace AtC { class Program { static void Main(string[] args) { var abt = ReadIntArray(); int A = abt[0], B = abt[1], T = abt[2]; Out((int)((int)((T + .5) / A) * B)); } static int[] ReadIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } static int ReadInt() { return int.Parse(Console.ReadLine()); } static long[] ReadLongArray() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } static long ReadLong() { return long.Parse(Console.ReadLine()); } static string ReadString() { return Console.ReadLine(); } static void Out(object o) { Console.WriteLine(o); } } static class EnumerableExtension { public delegate void Function<in T>(T val); public static void ForEach<T>(this IEnumerable<T> enumerable, Function<T> function) { foreach (var x in enumerable) { function(x); } } } }
[["+", 0, 74, 51, 23, 0, 16, 31, 74, 39, 199], ["+", 0, 74, 51, 23, 0, 16, 31, 74, 0, 25], ["+", 51, 23, 0, 16, 31, 74, 51, 23, 0, 24], ["+", 31, 74, 51, 23, 0, 16, 31, 23, 0, 24], ["+", 51, 23, 0, 16, 31, 74, 51, 23, 0, 25]]
8
272
5
using System; using System.Collections.Generic; using System.Linq; namespace AtCoderCore { public class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); int[] vs = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); int[] cs = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); int ans = 0; for (int i = 0; i < n; i++) { if (vs[i] - cs[i] > 0) { ans += vs[i]; } } Console.WriteLine(ans); } } }
using System; using System.Collections.Generic; using System.Linq; namespace AtCoderCore { public class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); int[] vs = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); int[] cs = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); int ans = 0; for (int i = 0; i < n; i++) { if (vs[i] - cs[i] > 0) { ans += vs[i] - cs[i]; } } Console.WriteLine(ans); } } }
[["+", 64, 196, 0, 1, 0, 11, 12, 16, 17, 33], ["+", 0, 1, 0, 11, 12, 16, 12, 204, 205, 22], ["+", 0, 11, 12, 16, 12, 204, 206, 207, 0, 70], ["+", 12, 16, 12, 204, 206, 207, 0, 28, 0, 22], ["+", 0, 11, 12, 16, 12, 204, 206, 207, 0, 73]]
8
168
5
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { // 整数の入力 int a = int.Parse(Console.ReadLine()); // スペース区切りの整数の入力 string[] inputv = Console.ReadLine().Split(' '); string[] inputc = Console.ReadLine().Split(' '); int z = 0, sum = 0; for (int i = 0; i < a; i++) { int v = int.Parse(inputv[i]); int c = int.Parse(inputc[i]); if ((v - c) >= 0) sum += (v - c); } //出力 Console.WriteLine((z)); } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { // 整数の入力 int a = int.Parse(Console.ReadLine()); // スペース区切りの整数の入力 string[] inputv = Console.ReadLine().Split(' '); string[] inputc = Console.ReadLine().Split(' '); int z = 0, sum = 0; for (int i = 0; i < a; i++) { int v = int.Parse(inputv[i]); int c = int.Parse(inputc[i]); if ((v - c) >= 0) sum += (v - c); } //出力 Console.WriteLine((sum)); } }
[["-", 0, 198, 0, 200, 0, 289, 0, 289, 141, 22], ["+", 0, 198, 0, 200, 0, 289, 0, 289, 141, 22]]
8
173
2
using System; using System.Linq; using System.Collections; using System.Collections.Generic; namespace atcoder { class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int res = 0; int n = int.Parse(input[0]); int k = int.Parse(input[1]); for (int i = k; i <= n; i++) { res++; } Console.WriteLine(); } } }
using System; using System.Linq; using System.Collections; using System.Collections.Generic; namespace atcoder { class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int res = 0; int n = int.Parse(input[0]); int k = int.Parse(input[1]); for (int i = k; i <= n; i++) { res++; } Console.WriteLine(res); } } }
[["+", 0, 1, 0, 213, 3, 4, 0, 28, 0, 22]]
8
113
1
namespace diverta2019.A { using System; using System.Collections.Generic; using System.Linq; using static System.Console; public class Program { public static void Main(string[] args) { var l = ReadLineAsInts().ToList(); var n = l[0]; var k = l[0]; WriteLine(Solve(n, k)); } public static IEnumerable<int> ReadLineAsInts() => ReadLine().Split(' ').Select(x => int.Parse(x)); public static int Solve(int n, int k) => n - k + 1; } }
namespace diverta2019.A { using System; using System.Collections.Generic; using System.Linq; using static System.Console; public class Program { public static void Main(string[] args) { var l = ReadLineAsInts().ToList(); var n = l[0]; var k = l[1]; WriteLine(Solve(n, k)); } public static IEnumerable<int> ReadLineAsInts() => ReadLine().Split(' ').Select(x => int.Parse(x)); public static int Solve(int n, int k) => n - k + 1; } }
[["-", 0, 212, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 212, 0, 204, 206, 207, 0, 28, 0, 203]]
8
132
2
using System; using System.Collections.Generic; using System.Linq; public class Solution { public static void Main() { var vals = Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); var n = vals[0]; var k = vals[1]; Console.WriteLine(k - n + 1); } }
using System; using System.Collections.Generic; using System.Linq; public class Solution { public static void Main() { var vals = Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); var n = vals[0]; var k = vals[1]; Console.WriteLine(n - k + 1); } }
[["-", 3, 4, 0, 28, 0, 16, 31, 16, 31, 22], ["-", 3, 4, 0, 28, 0, 16, 31, 16, 17, 33], ["+", 3, 4, 0, 28, 0, 16, 31, 16, 17, 33], ["+", 3, 4, 0, 28, 0, 16, 31, 16, 12, 22]]
8
82
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Diverta2019_A { class Program { static void Main(string[] args) { string[] strs = Console.ReadLine().Split(); int n = int.Parse(strs[0]); int k = int.Parse(strs[0]); Console.WriteLine("{0}", n - k + 1); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Diverta2019_A { class Program { static void Main(string[] args) { string[] strs = Console.ReadLine().Split(); int n = int.Parse(strs[0]); int k = int.Parse(strs[1]); Console.WriteLine("{0}", n - k + 1); } } }
[["-", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203]]
8
102
2
using System; using System.Linq; namespace diverta2019_b { class Program { static void Main(string[] args) { var RGBN = (Console.ReadLine().Split(' ').Select(x => int.Parse(x))).ToList(); var R = RGBN[0]; var G = RGBN[1]; var B = RGBN[2]; var N = RGBN[3]; var r = 0; for (int i = 0; i <= N; i += R) { for (int j = 0; j <= N; j += G) { if (i + j > N) break; //残りがBで割り切れる if ((N - i + j) % B == 0) r++; } } Console.WriteLine(r); } } }
using System; using System.Linq; namespace diverta2019_b { class Program { static void Main(string[] args) { var RGBN = (Console.ReadLine().Split(' ').Select(x => int.Parse(x))).ToList(); var R = RGBN[0]; var G = RGBN[1]; var B = RGBN[2]; var N = RGBN[3]; var r = 0; for (int i = 0; i <= N; i += R) { for (int j = 0; j <= N; j += G) { if (i + j > N) break; //残りがBで割り切れる if ((N - (i + j)) % B == 0) r++; } } Console.WriteLine(r); } } }
[["+", 31, 16, 31, 23, 0, 16, 12, 23, 0, 24], ["+", 31, 16, 31, 23, 0, 16, 12, 23, 0, 25]]
8
167
2
using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace AtCoder2 { class Program { static void Main(string[] args) { //出力の都度更新をやめる var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Ans(); //更新する Console.Out.Flush(); } public static void Ans() { var inputArray = retreiveLongArray(); var inputCount = 1; // 不正な入力は処理しない if (inputArray.Length != inputCount) { Console.WriteLine("invalid input"); return; } long N = inputArray[0]; var stringS = new List<string>(); for (int i = 0; i < N; i++) { var input = retreiveStringArray()[0]; stringS.Add(input); } var p = 0; var a = 0; var b = 0; var ab = 0; for (int i = 0; i < N; i++) { var s = stringS[i]; ab += CountOf(s, "AB"); if (s[0] == 'B' && s[s.Length - 1] == 'A') { p++; continue; } if (s[0] == 'B') { b++; } if (s[s.Length - 1] == 'A') { a++; } } if (a == 0 && b == 0) { Console.WriteLine(ab + p - 1); // aもbもない時、組み合わせできないB**Aが発生 return; } //答えの出力 var ans = ab + p + Math.Min(a, b); Console.WriteLine(ans); } /// <summary> /// 指定した文字列がいくつあるか /// </summary> private static int CountOf(string target, string str) { int count = 0; int index = target.IndexOf(str, 0); while (index != -1) { count++; index = target.IndexOf(str, index + str.Length); } return count; } /// <summary> /// スペースで区切られた文字列配列の入力を受け取る /// </summary> /// <returns></returns> private static string[] retreiveStringArray() { var inputArray = Console.ReadLine().Split(' '); return inputArray; } /// <summary> /// スペースで区切られた整数配列の入力を受け取る /// </summary> /// <returns></returns> private static long[] retreiveLongArray() { var inputArray = Console.ReadLine().Split(' '); var longArray = inputArray.Select(s => long.Parse(s)); return longArray.ToArray(); } /// <summary> /// 2組みずつの入力データ(数値)からTuppleListを作成する /// </summary> /// <param name="N"></param> /// <returns></returns> private static List<Tuple<long, long>> createLongTuppleList(long N) { var inpList = new List<Tuple<long, long>>(); for (int i = 0; i < N; i++) { var inp = retreiveLongArray(); var item1 = inp[0]; var item2 = inp[1]; inpList.Add(new Tuple<long, long>(item1, item2)); } return inpList; } } }
using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace AtCoder2 { class Program { static void Main(string[] args) { //出力の都度更新をやめる var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Ans(); //更新する Console.Out.Flush(); } public static void Ans() { var inputArray = retreiveLongArray(); var inputCount = 1; // 不正な入力は処理しない if (inputArray.Length != inputCount) { Console.WriteLine("invalid input"); return; } long N = inputArray[0]; var stringS = new List<string>(); for (int i = 0; i < N; i++) { var input = retreiveStringArray()[0]; stringS.Add(input); } var p = 0; var a = 0; var b = 0; var ab = 0; for (int i = 0; i < N; i++) { var s = stringS[i]; ab += CountOf(s, "AB"); if (s[0] == 'B' && s[s.Length - 1] == 'A') { p++; continue; } if (s[0] == 'B') { b++; } if (s[s.Length - 1] == 'A') { a++; } } if (a == 0 && b == 0 && p > 0) { Console.WriteLine(ab + p - 1); // aもbもない時、組み合わせできないB**Aが発生 return; } //答えの出力 var ans = ab + p + Math.Min(a, b); Console.WriteLine(ans); } /// <summary> /// 指定した文字列がいくつあるか /// </summary> private static int CountOf(string target, string str) { int count = 0; int index = target.IndexOf(str, 0); while (index != -1) { count++; index = target.IndexOf(str, index + str.Length); } return count; } /// <summary> /// スペースで区切られた文字列配列の入力を受け取る /// </summary> /// <returns></returns> private static string[] retreiveStringArray() { var inputArray = Console.ReadLine().Split(' '); return inputArray; } /// <summary> /// スペースで区切られた整数配列の入力を受け取る /// </summary> /// <returns></returns> private static long[] retreiveLongArray() { var inputArray = Console.ReadLine().Split(' '); var longArray = inputArray.Select(s => long.Parse(s)); return longArray.ToArray(); } /// <summary> /// 2組みずつの入力データ(数値)からTuppleListを作成する /// </summary> /// <param name="N"></param> /// <returns></returns> private static List<Tuple<long, long>> createLongTuppleList(long N) { var inpList = new List<Tuple<long, long>>(); for (int i = 0; i < N; i++) { var inp = retreiveLongArray(); var item1 = inp[0]; var item2 = inp[1]; inpList.Add(new Tuple<long, long>(item1, item2)); } return inpList; } } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
610
4
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Text; class Program { static void Main(string[] args) { // 入力 // var s = Console.ReadLine(); long n = long.Parse(Console.ReadLine()); string[] s = new string[n]; for (long i = 0; i < n; i++) { s[i] = Console.ReadLine(); } long ans = 0; for (long i = 0; i < n; i++) { var tmp = s[i].Replace("AB", ""); if (tmp.Length < s[i].Length) ans += (s[i].Length - tmp.Length) / 2; } long a = 0; long b = 0; long x = 0; for (long i = 0; i < n; i++) { if (s[i][s[i].Length - 1] == 'A') a++; if (s[i][0] == 'B') b++; if (s[i][s[i].Length - 1] == 'A' && s[i][0] == 'B') x++; } if (a == b && b == x) ans += a - 1; else ans += Math.Min(a, b); // 出力 Console.WriteLine(ans); } }
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Text; class Program { static void Main(string[] args) { // 入力 // var s = Console.ReadLine(); long n = long.Parse(Console.ReadLine()); string[] s = new string[n]; for (long i = 0; i < n; i++) { s[i] = Console.ReadLine(); } long ans = 0; for (long i = 0; i < n; i++) { var tmp = s[i].Replace("AB", ""); if (tmp.Length < s[i].Length) ans += (s[i].Length - tmp.Length) / 2; } long a = 0; long b = 0; long x = 0; for (long i = 0; i < n; i++) { if (s[i][s[i].Length - 1] == 'A') a++; if (s[i][0] == 'B') b++; if (s[i][s[i].Length - 1] == 'A' && s[i][0] == 'B') x++; } if (a != 0 && a == b && b == x) ans += a - 1; else ans += Math.Min(a, b); // 出力 Console.WriteLine(ans); } }
[["+", 0, 57, 15, 16, 31, 16, 31, 16, 17, 79], ["+", 0, 57, 15, 16, 31, 16, 31, 16, 12, 203], ["+", 8, 196, 0, 57, 15, 16, 31, 16, 17, 98], ["+", 0, 57, 15, 16, 31, 16, 12, 16, 31, 22]]
8
307
4
using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; public class Hello { static public int mod = 1000000007; public static void Main() { // 方針 // int n = rint(); int a = 0; int b = 0; int ab = 0; int axb = 0; for (int i = 0; i < n; i++) { string t = rstr(); int tl = t.Length; string temp = t.Replace("AB", ""); ab += (tl - temp.Length) / 2; if (t[0] == 'B') a++; if (t[tl - 1] == 'A') b++; if (t[0] == 'B' && t[tl - 1] == 'A') axb++; } if (a == b && a == axb) { WriteLine(axb - 1 + ab); } else { WriteLine(Min(a, b) + ab); } } static int binarysearchd(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] >= b) { return 0; } else if (a[leng - 1] < b) { return leng; } else { if (a[max] < b) { return max + 1; } return min + 1; } } static int binarysearchu(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] > b) { return leng; } else if (a[leng - 1] <= b) { return 0; } else { if (a[max] <= b) { return leng - (max + 1); } return leng - (min + 1); } } // 1からaまでの数字並べ替え全通り返すやつ static List<string> permutation(int a) { var list = new List<string>(); if (a == 1) { list.Add("1"); return list; } else { foreach (var k in permutation(a - 1)) { var ch = k.ToCharArray(); for (int i = 0; i <= ch.Length; i++) { string intemp = ""; if (i == 0) { intemp += a.ToString(); } for (int j = 0; j < ch.Length; j++) { intemp += ch[j].ToString(); if (i == j + 1) { intemp += a.ToString(); } } list.Add(intemp); } } } return list; } static void swap(ref int a, ref int b) { var temp = a; a = b; b = temp; } static int ncr(int n, int r) { r = Min(r, n - r); long nn = 1; for (int i = n - r + 1; i <= n; i++) { nn = nn * i % mod; } long rr = 1; for (int i = 1; i <= r; i++) { rr = rr * i % mod; } rr = square((int)rr, mod - 2); nn = nn * rr % mod; return (int)nn; } // a^b mod static int square(int a, int b) { string binary = Convert.ToString(b, 2); int bileng = binary.Length; long a_power = a; long value = 1; for (int i = bileng - 1; i >= 0; i--) { if (binary[i] == '1') { value = value * a_power % mod; } a_power = a_power * a_power % mod; } return (int)value; } // static int square2(long a,long b,long m){var list = new List<int>();int // temp = 1;long n2 = a;list.Add(1);int count = 1;while(temp < // b){list.Add((int)n2);temp*=2;count++;n2 = n2*n2%m;}long ret = 1;while(b > // 0){if(temp <= b){b -= temp;ret = // ret*list[count]%1000000007;}count--;temp/=2;}return(int)ret;} 各種読取 static string rstr() { return ReadLine(); } static int rint() { return int.Parse(ReadLine()); } static long rlong() { return long.Parse(ReadLine()); } static string[] stra() { return ReadLine().Split(' '); } static char[] chara() { string[] a = stra(); string b = ""; for (int i = 0; i < a.Length; i++) { b += a[i]; } return b.ToCharArray(); } static int[] inta() { string[] read_str_array = ReadLine().Split(' '); int[] return_int_array = new int[read_str_array.Length]; for (int countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_int_array[countup_i] = int.Parse(read_str_array[countup_i]); } return return_int_array; } static int[,] inta2(int num_array, int in_array) { int[,] int_array2 = new int[num_array, in_array]; for (int i = 0; i < num_array; i++) { int[] temp_array = inta(); for (int j = 0; j < in_array; j++) { int_array2[i, j] = temp_array[j]; } } return int_array2; } static long[] longa() { string[] read_str_array = ReadLine().Split(' '); long[] return_long_array = new long[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_long_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_long_array; } static double[] doublea() { string[] read_str_array = ReadLine().Split(' '); double[] return_double_array = new double[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_double_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_double_array; } // ----------------------------- static long divideup(long divided, long divid) { long temp_divide = divided / divid; if (divided % divid > 0) { temp_divide++; } return temp_divide; } static long GCD(long a, long b) { if (a < b) { long temp = a; a = b; b = temp; } if (a % b == 0) { return b; } else { long temp = b; b = a % b; a = temp; return GCD(a, b); } } static long LCM(long a, long b) { return a * b / GCD(a, b); } }
using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; public class Hello { static public int mod = 1000000007; public static void Main() { // 方針 // int n = rint(); int a = 0; int b = 0; int ab = 0; int axb = 0; for (int i = 0; i < n; i++) { string t = rstr(); int tl = t.Length; string temp = t.Replace("AB", ""); ab += (tl - temp.Length) / 2; if (t[0] == 'B') a++; if (t[tl - 1] == 'A') b++; if (t[0] == 'B' && t[tl - 1] == 'A') axb++; } if (a == b && a == axb && axb > 0) { WriteLine(axb - 1 + ab); } else { WriteLine(Min(a, b) + ab); } } static int binarysearchd(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] >= b) { return 0; } else if (a[leng - 1] < b) { return leng; } else { if (a[max] < b) { return max + 1; } return min + 1; } } static int binarysearchu(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] > b) { return leng; } else if (a[leng - 1] <= b) { return 0; } else { if (a[max] <= b) { return leng - (max + 1); } return leng - (min + 1); } } // 1からaまでの数字並べ替え全通り返すやつ static List<string> permutation(int a) { var list = new List<string>(); if (a == 1) { list.Add("1"); return list; } else { foreach (var k in permutation(a - 1)) { var ch = k.ToCharArray(); for (int i = 0; i <= ch.Length; i++) { string intemp = ""; if (i == 0) { intemp += a.ToString(); } for (int j = 0; j < ch.Length; j++) { intemp += ch[j].ToString(); if (i == j + 1) { intemp += a.ToString(); } } list.Add(intemp); } } } return list; } static void swap(ref int a, ref int b) { var temp = a; a = b; b = temp; } static int ncr(int n, int r) { r = Min(r, n - r); long nn = 1; for (int i = n - r + 1; i <= n; i++) { nn = nn * i % mod; } long rr = 1; for (int i = 1; i <= r; i++) { rr = rr * i % mod; } rr = square((int)rr, mod - 2); nn = nn * rr % mod; return (int)nn; } // a^b mod static int square(int a, int b) { string binary = Convert.ToString(b, 2); int bileng = binary.Length; long a_power = a; long value = 1; for (int i = bileng - 1; i >= 0; i--) { if (binary[i] == '1') { value = value * a_power % mod; } a_power = a_power * a_power % mod; } return (int)value; } // static int square2(long a,long b,long m){var list = new List<int>();int // temp = 1;long n2 = a;list.Add(1);int count = 1;while(temp < // b){list.Add((int)n2);temp*=2;count++;n2 = n2*n2%m;}long ret = 1;while(b > // 0){if(temp <= b){b -= temp;ret = // ret*list[count]%1000000007;}count--;temp/=2;}return(int)ret;} 各種読取 static string rstr() { return ReadLine(); } static int rint() { return int.Parse(ReadLine()); } static long rlong() { return long.Parse(ReadLine()); } static string[] stra() { return ReadLine().Split(' '); } static char[] chara() { string[] a = stra(); string b = ""; for (int i = 0; i < a.Length; i++) { b += a[i]; } return b.ToCharArray(); } static int[] inta() { string[] read_str_array = ReadLine().Split(' '); int[] return_int_array = new int[read_str_array.Length]; for (int countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_int_array[countup_i] = int.Parse(read_str_array[countup_i]); } return return_int_array; } static int[,] inta2(int num_array, int in_array) { int[,] int_array2 = new int[num_array, in_array]; for (int i = 0; i < num_array; i++) { int[] temp_array = inta(); for (int j = 0; j < in_array; j++) { int_array2[i, j] = temp_array[j]; } } return int_array2; } static long[] longa() { string[] read_str_array = ReadLine().Split(' '); long[] return_long_array = new long[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_long_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_long_array; } static double[] doublea() { string[] read_str_array = ReadLine().Split(' '); double[] return_double_array = new double[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_double_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_double_array; } // ----------------------------- static long divideup(long divided, long divid) { long temp_divide = divided / divid; if (divided % divid > 0) { temp_divide++; } return temp_divide; } static long GCD(long a, long b) { if (a < b) { long temp = a; a = b; b = temp; } if (a % b == 0) { return b; } else { long temp = b; b = a % b; a = temp; return GCD(a, b); } } static long LCM(long a, long b) { return a * b / GCD(a, b); } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
1,473
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using System; using System.Collections.Generic; // list用 using System.Text; // StringBuilder用 using System.Collections; using System.Linq; class Program { static List<int> s = new List<int>(); static List<string> a = new List<string>(); static decimal result; static StringBuilder sb = new StringBuilder(); static int N, M, K; static void Main() { Read1(); Read5(); //中のABを集計 for (int i = 0; i < N; i++) { for (int j = 0; j < a[i].Length - 1; j++) { if (a[i][j] == 'A' && a[i][j + 1] == 'B') { result++; } } } int count, count2, count3; count = 0; count2 = 0; count3 = 0; // A末尾Bスタートを集計 for (int i = 0; i < N; i++) { if (a[i][a[i].Length - 1] == 'A') { count++; } if (a[i][0] == 'B') { count2++; } if (a[i][a[i].Length - 1] == 'A' && a[i][0] == 'B') { count3++; } } if (count3 == count && count3 == count2) { result += count3 - 1; } else if (count2 >= count) { result += count; } else { result += count2; } Console.WriteLine(result.ToString()); } static void Read1() // 1項 { string tmp = Console.ReadLine(); N = int.Parse(tmp); } static void Read2() //複数項(項目数N) { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { s.Add(int.Parse(tmp[i])); } } static void Read3() // 1行複数項 { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < tmp.Length; i++) { s.Add(int.Parse(tmp[i])); } } static void Read4() // NK1行 { string[] tmp = Console.ReadLine().Split(' '); N = int.Parse(tmp[0]); K = int.Parse(tmp[1]); } static void Read5() // N行K項 { for (int i = 0; i < N; i++) { a.Add(Console.ReadLine()); } } }
using System; using System.Collections.Generic; // list用 using System.Text; // StringBuilder用 using System.Collections; using System.Linq; class Program { static List<int> s = new List<int>(); static List<string> a = new List<string>(); static decimal result; static StringBuilder sb = new StringBuilder(); static int N, M, K; static void Main() { Read1(); Read5(); //中のABを集計 for (int i = 0; i < N; i++) { for (int j = 0; j < a[i].Length - 1; j++) { if (a[i][j] == 'A' && a[i][j + 1] == 'B') { result++; } } } int count, count2, count3; count = 0; count2 = 0; count3 = 0; // A末尾Bスタートを集計 for (int i = 0; i < N; i++) { if (a[i][a[i].Length - 1] == 'A') { count++; } if (a[i][0] == 'B') { count2++; } if (a[i][a[i].Length - 1] == 'A' && a[i][0] == 'B') { count3++; } } if (count3 == count && count3 == count2 && count3 > 0) { result += count3 - 1; } else if (count2 >= count) { result += count; } else { result += count2; } Console.WriteLine(result.ToString()); } static void Read1() // 1項 { string tmp = Console.ReadLine(); N = int.Parse(tmp); } static void Read2() //複数項(項目数N) { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { s.Add(int.Parse(tmp[i])); } } static void Read3() // 1行複数項 { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < tmp.Length; i++) { s.Add(int.Parse(tmp[i])); } } static void Read4() // NK1行 { string[] tmp = Console.ReadLine().Split(' '); N = int.Parse(tmp[0]); K = int.Parse(tmp[1]); } static void Read5() // N行K項 { for (int i = 0; i < N; i++) { a.Add(Console.ReadLine()); } } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
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565
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Myon { public Myon() {} public static int Main() { new Myon().calc(); return 0; } Scanner cin; void calc() { cin = new Scanner(); int N = cin.nextInt(); string[] s = new string[N]; int ans = 0; int Aend = 0; int Bstart = 0; int BA = 0; for (int i = 0; i < N; i++) { s[i] = cin.next(); int n = s[i].Length; if (s[i][0] == 'B' && s[i][n - 1] == 'A') BA++; else if (s[i][0] == 'B') Bstart++; else if (s[i][n - 1] == 'A') Aend++; for (int j = 0; j < n - 1; j++) { if (s[i][j] == 'A' && s[i][j + 1] == 'B') ans++; } } if (Aend + Bstart == 0) ans += (BA - 1); else ans += BA + Math.Min(Aend, Bstart); Console.WriteLine(ans); } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string next() { if (i < s.Length) return s[i++]; string st = Console.ReadLine(); while (st == "") st = Console.ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); if (s.Length == 0) return next(); i = 0; return s[i++]; } public int nextInt() { return int.Parse(next()); } public int[] ArrayInt(int N, int add = 0) { int[] Array = new int[N]; for (int i = 0; i < N; i++) { Array[i] = nextInt() + add; } return Array; } public long nextLong() { return long.Parse(next()); } public long[] ArrayLong(int N, long add = 0) { long[] Array = new long[N]; for (int i = 0; i < N; i++) { Array[i] = nextLong() + add; } return Array; } public double nextDouble() { return double.Parse(next()); } public double[] ArrayDouble(int N, double add = 0) { double[] Array = new double[N]; for (int i = 0; i < N; i++) { Array[i] = nextDouble() + add; } return Array; } public long GCDLong(long a, long b) { while (a != 0) { long t = a; a = b % a; b = t; } return b; } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Myon { public Myon() {} public static int Main() { new Myon().calc(); return 0; } Scanner cin; void calc() { cin = new Scanner(); int N = cin.nextInt(); string[] s = new string[N]; int ans = 0; int Aend = 0; int Bstart = 0; int BA = 0; for (int i = 0; i < N; i++) { s[i] = cin.next(); int n = s[i].Length; if (s[i][0] == 'B' && s[i][n - 1] == 'A') BA++; else if (s[i][0] == 'B') Bstart++; else if (s[i][n - 1] == 'A') Aend++; for (int j = 0; j < n - 1; j++) { if (s[i][j] == 'A' && s[i][j + 1] == 'B') ans++; } } if (Aend + Bstart == 0 && BA > 0) ans += (BA - 1); else ans += BA + Math.Min(Aend, Bstart); Console.WriteLine(ans); } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string next() { if (i < s.Length) return s[i++]; string st = Console.ReadLine(); while (st == "") st = Console.ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); if (s.Length == 0) return next(); i = 0; return s[i++]; } public int nextInt() { return int.Parse(next()); } public int[] ArrayInt(int N, int add = 0) { int[] Array = new int[N]; for (int i = 0; i < N; i++) { Array[i] = nextInt() + add; } return Array; } public long nextLong() { return long.Parse(next()); } public long[] ArrayLong(int N, long add = 0) { long[] Array = new long[N]; for (int i = 0; i < N; i++) { Array[i] = nextLong() + add; } return Array; } public double nextDouble() { return double.Parse(next()); } public double[] ArrayDouble(int N, double add = 0) { double[] Array = new double[N]; for (int i = 0; i < N; i++) { Array[i] = nextDouble() + add; } return Array; } public long GCDLong(long a, long b) { while (a != 0) { long t = a; a = b % a; b = t; } return b; } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
703
4
using System; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; namespace AtCodeeeer { class AtCOOOOOOOOOOOder { static void Main(string[] args) { int N = int.Parse(ReadLine()); int BほにゃA = 0; int BほにゃnotA = 0; int notBほにゃA = 0; int ans = 0; for (int i = 0; i < N; i++) { string s = ReadLine(); if (s.StartsWith("B") && s.EndsWith("A")) { BほにゃA++; } if (s.StartsWith("B") && !s.EndsWith("A")) { BほにゃnotA++; } if (!s.StartsWith("B") && s.EndsWith("A")) { notBほにゃA++; } for (int j = 0; j < s.Length - 1; j++) { if (s.Substring(j, 2) == "AB") { ans++; } } } if (BほにゃA == 0) { WriteLine(ans + Min(BほにゃnotA, notBほにゃA)); } else if (BほにゃnotA + notBほにゃA == 0) { WriteLine(ans + Min(BほにゃnotA, notBほにゃA) - 1); } else { WriteLine(ans + BほにゃA + Min(BほにゃnotA, notBほにゃA)); } } } }
using System; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; namespace AtCodeeeer { class AtCOOOOOOOOOOOder { static void Main(string[] args) { int N = int.Parse(ReadLine()); int BほにゃA = 0; int BほにゃnotA = 0; int notBほにゃA = 0; int ans = 0; for (int i = 0; i < N; i++) { string s = ReadLine(); if (s.StartsWith("B") && s.EndsWith("A")) { BほにゃA++; } if (s.StartsWith("B") && !s.EndsWith("A")) { BほにゃnotA++; } if (!s.StartsWith("B") && s.EndsWith("A")) { notBほにゃA++; } for (int j = 0; j < s.Length - 1; j++) { if (s.Substring(j, 2) == "AB") { ans++; } } } if (BほにゃA == 0) { WriteLine(ans + Min(BほにゃnotA, notBほにゃA)); } else if (BほにゃnotA + notBほにゃA == 0) { WriteLine(ans + BほにゃA - 1); } else { WriteLine(ans + BほにゃA + Min(BほにゃnotA, notBほにゃA)); } } } }
[["-", 0, 28, 0, 16, 31, 16, 12, 213, 63, 22], ["-", 0, 16, 31, 16, 12, 213, 3, 4, 0, 24], ["-", 31, 16, 12, 213, 3, 4, 0, 28, 0, 22], ["-", 0, 16, 31, 16, 12, 213, 3, 4, 0, 21], ["-", 0, 16, 31, 16, 12, 213, 3, 4, 0, 25], ["+", 3, 4, 0, 28, 0, 16, 31, 16, 12, 22]]
8
285
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace diverta_B { class Program { static void Main(string[] args) { var n = long.Parse(Console.ReadLine()); string[] s = new string[n]; var count = 0; var aback = 0; var bfront = 0; var both = 0; var checkboth = 0; for (int i = 0; i < n; i++) { s[i] = Console.ReadLine(); for (int j = 0; j < s[i].Length - 1; j++) { if (s[i].Substring(j, 2) == "AB") { count++; } } if (s[i].Substring(0, 1) == "B") { bfront++; both++; } if (s[i].Substring(s[i].Length - 1, 1) == "A") { aback++; both++; } if (both == 2) { checkboth++; } both = 0; } if (bfront > aback) { count = count + aback; } else { count = count + bfront; } if (aback == checkboth & bfront == checkboth) { count = count - 1; } Console.WriteLine(Convert.ToString(count)); Console.ReadLine(); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace diverta_B { class Program { static void Main(string[] args) { var n = long.Parse(Console.ReadLine()); string[] s = new string[n]; var count = 0; var aback = 0; var bfront = 0; var both = 0; var checkboth = 0; for (int i = 0; i < n; i++) { s[i] = Console.ReadLine(); for (int j = 0; j < s[i].Length - 1; j++) { if (s[i].Substring(j, 2) == "AB") { count++; } } if (s[i].Substring(0, 1) == "B") { bfront++; both++; } if (s[i].Substring(s[i].Length - 1, 1) == "A") { aback++; both++; } if (both == 2) { checkboth++; } both = 0; } if (bfront > aback) { count = count + aback; } else { count = count + bfront; } if (aback == checkboth & bfront == checkboth & checkboth != 0) { count = count - 1; } Console.WriteLine(Convert.ToString(count)); Console.ReadLine(); } } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 67], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 79], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
302
4
namespace inonoa { class Ino { static void Main() { int n = int.Parse(System.Console.ReadLine()); int ans = 0; int a = 0; int b = 0; int ab = 0; for (int i = 0; i < n; i++) { char[] si = System.Console.ReadLine().ToCharArray(); if (si[0] == 'B') { b++; } if (si[si.Length - 1] == 'A') { a++; } if (si[0] == 'B' && si[si.Length - 1] == 'A') { ab++; } for (int j = 0; j < si.Length - 1; j++) { if (si[j] == 'A' && si[j + 1] == 'B') { ans++; } } } if (ab == a && ab == b) { a--; b--; } if (a == n) { a--; } if (b == n) { b--; } if (a > b) { ans += b; } else { ans += a; } System.Console.WriteLine(ans); } } }
namespace inonoa { class Ino { static void Main() { int n = int.Parse(System.Console.ReadLine()); int ans = 0; int a = 0; int b = 0; int ab = 0; for (int i = 0; i < n; i++) { char[] si = System.Console.ReadLine().ToCharArray(); if (si[0] == 'B') { b++; } if (si[si.Length - 1] == 'A') { a++; } if (si[0] == 'B' && si[si.Length - 1] == 'A') { ab++; } for (int j = 0; j < si.Length - 1; j++) { if (si[j] == 'A' && si[j + 1] == 'B') { ans++; } } } if (ab == a && ab == b && ab != 0) { a--; b--; } if (a == n) { a--; } if (b == n) { b--; } if (a > b) { ans += b; } else { ans += a; } System.Console.WriteLine(ans); } } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 79], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
264
4
using System; using static System.Console; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main() { int count = int.Parse(ReadLine()); stringData[] stringDatas = new stringData[count]; for (int i = 0; i < count; i++) { var input = ReadLine(); stringDatas[i] = new stringData(input); } int a_and_b = stringDatas.Count(sd => sd.IsEndWithA && sd.IsStartWithB); int a = stringDatas.Count(sd => sd.IsEndWithA) - a_and_b; int b = stringDatas.Count(sd => sd.IsStartWithB) - a_and_b; int min = new[] { a, b }.Min(); if (a == 0 && b == 0) min -= 1; int Ab = stringDatas.Sum(sd => sd.ABCount); WriteLine(Ab + min + a_and_b); ReadKey(); } } public struct stringData { public bool IsStartWithB; public bool IsEndWithA; public int ABCount; public stringData(string s) { ABCount = 0; IsStartWithB = s[0] == 'B'; bool isA = false; for (int i = 0; i < s.Length; i++) { if (s[i] == 'A') isA = true; else if (s[i] == 'B' && isA) { ABCount++; isA = false; } else { isA = false; } } IsEndWithA = s[s.Length - 1] == 'A'; } } static class MyUtil { public static long[] ReadlongArray() { return ReadLine().Split(' ').Select(s => long.Parse(s)).ToArray(); } /// <summary> /// <see /// cref="IEnumerable{T}"/>の各要素を並べてコンソールに出力します。各要素の間には半角スペースが一つ入ります。 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="ts"></param> public static void WriteToConsole<T>(this IEnumerable<T> ts) { StringBuilder stringBuilder = new StringBuilder(); foreach (T t in ts) { stringBuilder.Append(t.ToString()); stringBuilder.Append(" "); } stringBuilder.Remove(stringBuilder.Length - 1, 1); Console.WriteLine(stringBuilder.ToString()); } }
using System; using static System.Console; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main() { int count = int.Parse(ReadLine()); stringData[] stringDatas = new stringData[count]; for (int i = 0; i < count; i++) { var input = ReadLine(); stringDatas[i] = new stringData(input); } int a_and_b = stringDatas.Count(sd => sd.IsEndWithA && sd.IsStartWithB); int a = stringDatas.Count(sd => sd.IsEndWithA) - a_and_b; int b = stringDatas.Count(sd => sd.IsStartWithB) - a_and_b; int min = new[] { a, b }.Min(); if (a == 0 && b == 0 && a_and_b != 0) min -= 1; int Ab = stringDatas.Sum(sd => sd.ABCount); WriteLine(Ab + min + a_and_b); ReadKey(); } } public struct stringData { public bool IsStartWithB; public bool IsEndWithA; public int ABCount; public stringData(string s) { ABCount = 0; IsStartWithB = s[0] == 'B'; bool isA = false; for (int i = 0; i < s.Length; i++) { if (s[i] == 'A') isA = true; else if (s[i] == 'B' && isA) { ABCount++; isA = false; } else { isA = false; } } IsEndWithA = s[s.Length - 1] == 'A'; } } static class MyUtil { public static long[] ReadlongArray() { return ReadLine().Split(' ').Select(s => long.Parse(s)).ToArray(); } /// <summary> /// <see /// cref="IEnumerable{T}"/>の各要素を並べてコンソールに出力します。各要素の間には半角スペースが一つ入ります。 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="ts"></param> public static void WriteToConsole<T>(this IEnumerable<T> ts) { StringBuilder stringBuilder = new StringBuilder(); foreach (T t in ts) { stringBuilder.Append(t.ToString()); stringBuilder.Append(" "); } stringBuilder.Remove(stringBuilder.Length - 1, 1); Console.WriteLine(stringBuilder.ToString()); } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 79], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
458
4
using System; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using static System.Math; namespace _20190511 { class Program { public static void Main(string[] args) { using (var sc = new SetConsole()) { int count = 0; int n = GetString().ToInt(); var list = new List<string>(); var a = new Stack<string>(); var b = new Stack<string>(); var ab = new List<string>(); for (int i = 0; i < n; i++) { var str = GetString(); if ('A' == str[str.Length - 1] && 'B' == str[0]) { ab.Add(str); } else if ('A' == str[str.Length - 1]) { a.Push(str); } else if ('B' == str[0]) { b.Push(str); } for (int j = 0; j < str.Length - 1; j++) { if ('A' == str[j] && 'B' == str[j + 1]) { count++; } } } int abCount = ab.Count - 1 > 0 ? ab.Count - 1 : 0; count += abCount; if (abCount > 0) { if (a.Any()) { a.Pop(); count++; } if (b.Any()) { b.Pop(); count++; } } count += Min(a.Count, b.Count); CWrite(count); } } static void CWrite<T>(T str) => Console.WriteLine(str); static string GetString() => Console.ReadLine(); static T[] GetArray<T>() { var t = typeof(T); var str = Console.ReadLine(); if (t == typeof(string)) { return (T[])(object)str.Split(); } if (t == typeof(int)) { return (T[])(object)str.ToNumArray<T>(); } if (t == typeof(long)) { return (T[])(object)str.ToNumArray<T>(); } if (t == typeof(double)) { return (T[])(object)str.ToNumArray<T>(); } throw new NotSupportedException($"{t} is not supported."); } } class SetConsole : IDisposable { readonly StreamWriter sw = new StreamWriter(Console.OpenStandardOutput()); public SetConsole() { sw.AutoFlush = false; Console.SetOut(sw); } public void Dispose() { Console.Out.Flush(); sw.AutoFlush = true; Console.SetOut(sw); } } static class ExtentionsLibrary { public static T[] ToNumArray<T>(this string str) { var t = typeof(T); if (t == typeof(int)) { return (T[])(object)str.Split().Select(int.Parse).ToArray(); } if (t == typeof(long)) { return (T[])(object)str.Split().Select(long.Parse).ToArray(); } if (t == typeof(double)) { return (T[])(object)str.Split().Select(double.Parse).ToArray(); } throw new NotSupportedException(); } public static int ToInt(this string str) => int.Parse(str); } }
using System; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using static System.Math; namespace _20190511 { class Program { public static void Main(string[] args) { using (var sc = new SetConsole()) { int count = 0; int n = GetString().ToInt(); var list = new List<string>(); var a = new Stack<string>(); var b = new Stack<string>(); var ab = new List<string>(); for (int i = 0; i < n; i++) { var str = GetString(); if ('A' == str[str.Length - 1] && 'B' == str[0]) { ab.Add(str); } else if ('A' == str[str.Length - 1]) { a.Push(str); } else if ('B' == str[0]) { b.Push(str); } for (int j = 0; j < str.Length - 1; j++) { if ('A' == str[j] && 'B' == str[j + 1]) { count++; } } } int abCount = ab.Count - 1 > 0 ? ab.Count - 1 : 0; count += abCount; if (ab.Any()) { if (a.Any()) { a.Pop(); count++; } if (b.Any()) { b.Pop(); count++; } } count += Min(a.Count, b.Count); CWrite(count); } } static void CWrite<T>(T str) => Console.WriteLine(str); static string GetString() => Console.ReadLine(); static T[] GetArray<T>() { var t = typeof(T); var str = Console.ReadLine(); if (t == typeof(string)) { return (T[])(object)str.Split(); } if (t == typeof(int)) { return (T[])(object)str.ToNumArray<T>(); } if (t == typeof(long)) { return (T[])(object)str.ToNumArray<T>(); } if (t == typeof(double)) { return (T[])(object)str.ToNumArray<T>(); } throw new NotSupportedException($"{t} is not supported."); } } class SetConsole : IDisposable { readonly StreamWriter sw = new StreamWriter(Console.OpenStandardOutput()); public SetConsole() { sw.AutoFlush = false; Console.SetOut(sw); } public void Dispose() { Console.Out.Flush(); sw.AutoFlush = true; Console.SetOut(sw); } } static class ExtentionsLibrary { public static T[] ToNumArray<T>(this string str) { var t = typeof(T); if (t == typeof(int)) { return (T[])(object)str.Split().Select(int.Parse).ToArray(); } if (t == typeof(long)) { return (T[])(object)str.Split().Select(long.Parse).ToArray(); } if (t == typeof(double)) { return (T[])(object)str.Split().Select(double.Parse).ToArray(); } throw new NotSupportedException(); } public static int ToInt(this string str) => int.Parse(str); } }
[["-", 0, 311, 8, 196, 0, 57, 15, 16, 31, 22], ["-", 0, 311, 8, 196, 0, 57, 15, 16, 17, 47], ["-", 0, 311, 8, 196, 0, 57, 15, 16, 12, 203], ["+", 8, 196, 0, 57, 15, 213, 63, 214, 205, 22], ["+", 8, 196, 0, 57, 15, 213, 63, 214, 0, 131], ["+", 8, 196, 0, 57, 15, 213, 63, 214, 141, 22], ["+", 8, 196, 0, 57, 15, 213, 3, 4, 0, 24], ["+", 8, 196, 0, 57, 15, 213, 3, 4, 0, 25]]
8
773
8
using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.IO; static class Program { const int mod = (int)1e9 + 7; static void Main() { Sc sc = new Sc(); int n = sc.I; long ans = 0, a = 0, b = 0, c = 0; for (int i = 0; i < n; i++) { string s = sc.S; for (int j = 0; j < s.Length - 1; j++) { if (s[j] == 'A' && s[j + 1] == 'B') { ans++; } } if (s[s.Length - 1] == 'A') { a++; } if (s[0] == 'B') { b++; } if (s[s.Length - 1] == 'A' && s[0] == 'B') { c++; } } if (b == c && a == c) { ans--; } Console.WriteLine("{0}", ans + Math.Min(a, b)); } } public class Sc { private string[] a; private int n = -1, m = 0; public int I { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return int.Parse(a[n]); } } public long L { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return long.Parse(a[n]); } } public double D { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return double.Parse(a[n]); } } public string S { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return a[n]; } } public int[] Ia { get { if (n != -1 && n != a.Length - 1) { m = n; n = -1; return Array.ConvertAll(a.Skip(m + 1).ToArray(), int.Parse); } return Array.ConvertAll(Console.ReadLine().Split(), int.Parse); } } public int[] Ia2 { get { return Array.ConvertAll(("0 " + Console.ReadLine() + " 0").Split(), int.Parse); } } public long[] La { get { return Array.ConvertAll(Console.ReadLine().Split(), long.Parse); } } public long[] La2 { get { return Array.ConvertAll(("0 " + Console.ReadLine()).Split(), long.Parse); } } public double[] Da { get { return Array.ConvertAll(Console.ReadLine().Split(), double.Parse); } } public string[] Sa { get { return Console.ReadLine().Split(); } } }
using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.IO; static class Program { const int mod = (int)1e9 + 7; static void Main() { Sc sc = new Sc(); int n = sc.I; long ans = 0, a = 0, b = 0, c = 0; for (int i = 0; i < n; i++) { string s = sc.S; for (int j = 0; j < s.Length - 1; j++) { if (s[j] == 'A' && s[j + 1] == 'B') { ans++; } } if (s[s.Length - 1] == 'A') { a++; } if (s[0] == 'B') { b++; } if (s[s.Length - 1] == 'A' && s[0] == 'B') { c++; } } if (b == c && a == c && c != 0) { ans--; } Console.WriteLine("{0}", ans + Math.Min(a, b)); } } public class Sc { private string[] a; private int n = -1, m = 0; public int I { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return int.Parse(a[n]); } } public long L { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return long.Parse(a[n]); } } public double D { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return double.Parse(a[n]); } } public string S { get { if (n == -1 || n == a.Length - 1) { n = -1; a = Console.ReadLine().Split(); } n++; return a[n]; } } public int[] Ia { get { if (n != -1 && n != a.Length - 1) { m = n; n = -1; return Array.ConvertAll(a.Skip(m + 1).ToArray(), int.Parse); } return Array.ConvertAll(Console.ReadLine().Split(), int.Parse); } } public int[] Ia2 { get { return Array.ConvertAll(("0 " + Console.ReadLine() + " 0").Split(), int.Parse); } } public long[] La { get { return Array.ConvertAll(Console.ReadLine().Split(), long.Parse); } } public long[] La2 { get { return Array.ConvertAll(("0 " + Console.ReadLine()).Split(), long.Parse); } } public double[] Da { get { return Array.ConvertAll(Console.ReadLine().Split(), double.Parse); } } public string[] Sa { get { return Console.ReadLine().Split(); } } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 79], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
739
4
using System; using System.Collections.Generic; using System.Linq; public class Hello { public static void Main() { var n = int.Parse(Console.ReadLine()); var ss = new string[n]; for (int i = 0; i < ss.Length; ++i) ss[i] = Console.ReadLine(); int count = 0; int b = 0; int a = 0; int ba = 0; for (int i = 0; i < ss.Length; ++i) { var s = ss[i]; var prev = ' '; var isB = false; for (int j = 0, length = s.Length; j < length; ++j) { var c = s[j]; switch (c) { case 'B': switch (prev) { case 'A': ++count; break; case ' ': isB = true; break; } break; } prev = c; } if (prev == 'A') { if (isB) ++ba; else ++a; } else if (isB) ++b; } if (b > a) { var tmp = b; b = a; a = tmp; } var adder = b + ba; if (a == 0) --adder; Console.WriteLine(count + adder); } }
using System; using System.Collections.Generic; using System.Linq; public class Hello { public static void Main() { var n = int.Parse(Console.ReadLine()); var ss = new string[n]; for (int i = 0; i < ss.Length; ++i) ss[i] = Console.ReadLine(); int count = 0; int b = 0; int a = 0; int ba = 0; for (int i = 0; i < ss.Length; ++i) { var s = ss[i]; var prev = ' '; var isB = false; for (int j = 0, length = s.Length; j < length; ++j) { var c = s[j]; switch (c) { case 'B': switch (prev) { case 'A': ++count; break; case ' ': isB = true; break; } break; } prev = c; } if (prev == 'A') { if (isB) ++ba; else ++a; } else if (isB) ++b; } if (b > a) { var tmp = b; b = a; a = tmp; } var adder = b + ba; if (a == 0 && ba > 0) --adder; Console.WriteLine(count + adder); } }
[["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
285
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DIVERTA2019C { class Program { static int includeOf(string src, string target) { int count = 0; int index = src.IndexOf(target, 0); while (index >= 0) { count++; index = src.IndexOf(target, index + target.Length); } return count; } static void Main(string[] args) { var n = int.Parse(Console.ReadLine()); var input = Enumerable.Range(0, n).Select(_ => Console.ReadLine()).ToList(); var includeCount = 0; var endCount = 0; var startCount = 0; var bothCount = 0; foreach (var s in input) { // 文字列中のAB数 includeCount += includeOf(s, "AB"); // 末尾がA var lastChar = s.Last(); if (lastChar == 'A') { endCount++; } // 先頭がB var startChar = s.First(); if (startChar == 'B') { startCount++; } // 先頭がBで末尾がA if (startChar == 'B' && lastChar == 'A') { bothCount++; } } var unionCount = Math.Min(startCount, endCount); var output = includeCount + unionCount; // 単純に数えるだけだと、「B***A」みたいな単語でおかしくなるので調整 if (output > 0 && (bothCount == Math.Max(startCount, endCount))) { output--; } Console.WriteLine(output); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace DIVERTA2019C { class Program { static int includeOf(string src, string target) { int count = 0; int index = src.IndexOf(target, 0); while (index >= 0) { count++; index = src.IndexOf(target, index + target.Length); } return count; } static void Main(string[] args) { var n = int.Parse(Console.ReadLine()); var input = Enumerable.Range(0, n).Select(_ => Console.ReadLine()).ToList(); var includeCount = 0; var endCount = 0; var startCount = 0; var bothCount = 0; foreach (var s in input) { // 文字列中のAB数 includeCount += includeOf(s, "AB"); // 末尾がA var lastChar = s.Last(); if (lastChar == 'A') { endCount++; } // 先頭がB var startChar = s.First(); if (startChar == 'B') { startCount++; } // 先頭がBで末尾がA if (startChar == 'B' && lastChar == 'A') { bothCount++; } } var unionCount = Math.Min(startCount, endCount); var output = includeCount + unionCount; // Console.WriteLine($"{output}, {includeCount}, {unionCount}, // {bothCount}"); // 単純に数えるだけだと、「B***A」みたいな単語でおかしくなるので調整 if (output > 0 && unionCount > 0 && (bothCount == Math.Max(startCount, endCount))) { output--; } Console.WriteLine(output); } } }
[["+", 0, 57, 15, 16, 31, 16, 12, 16, 31, 22], ["+", 0, 57, 15, 16, 31, 16, 12, 16, 17, 47], ["+", 0, 57, 15, 16, 31, 16, 12, 16, 12, 203], ["+", 0, 195, 8, 196, 0, 57, 15, 16, 17, 98]]
8
303
4
using System; using System.Collections.Generic; // list用 using System.Text; // StringBuilder用 using System.Collections; using System.Linq; class Program { static List<int> s = new List<int>(); static List<string> a = new List<string>(); static decimal result; static StringBuilder sb = new StringBuilder(); static decimal N, M, K; static void Main() { Read1(); //(m+1)x=N // m>0 // Nの約数で見ていく for (int x = 1; (double)x < Math.Sqrt((double)N); x++) { if (N % x == 0 && x * (x - 1) < N) { result += N / x - 1; } } Console.WriteLine(result.ToString()); } static void Read1() // 1項 { string tmp = Console.ReadLine(); N = decimal.Parse(tmp); } static void Read2() //複数項(項目数N) { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { s.Add(int.Parse(tmp[i])); } } static void Read3() // 1行複数項 { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < tmp.Length; i++) { s.Add(int.Parse(tmp[i])); } } static void Read4() // NK1行 { string[] tmp = Console.ReadLine().Split(' '); N = int.Parse(tmp[0]); K = int.Parse(tmp[1]); } static void Read5() // N行K項 { for (int i = 0; i < N; i++) { a.Add(Console.ReadLine()); } } }
using System; using System.Collections.Generic; // list用 using System.Text; // StringBuilder用 using System.Collections; using System.Linq; class Program { static List<int> s = new List<int>(); static List<string> a = new List<string>(); static decimal result; static StringBuilder sb = new StringBuilder(); static decimal N, M, K; static void Main() { Read1(); //(m+1)x=N // m>0 // Nの約数で見ていく for (int x = 1; (double)x < Math.Sqrt((double)N); x++) { if (N % x == 0 && x * (x + 1) < N) { result += N / x - 1; } } Console.WriteLine(result.ToString()); } static void Read1() // 1項 { string tmp = Console.ReadLine(); N = decimal.Parse(tmp); } static void Read2() //複数項(項目数N) { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { s.Add(int.Parse(tmp[i])); } } static void Read3() // 1行複数項 { string[] tmp = Console.ReadLine().Split(' '); for (int i = 0; i < tmp.Length; i++) { s.Add(int.Parse(tmp[i])); } } static void Read4() // NK1行 { string[] tmp = Console.ReadLine().Split(' '); N = int.Parse(tmp[0]); K = int.Parse(tmp[1]); } static void Read5() // N行K項 { for (int i = 0; i < N; i++) { a.Add(Console.ReadLine()); } } }
[["-", 12, 16, 31, 16, 12, 23, 0, 16, 17, 33], ["+", 12, 16, 31, 16, 12, 23, 0, 16, 17, 72]]
8
389
2
using System; using System.Collections.Generic; namespace diverta2019_D { class Program { static void Main(string[] args) { var N = long.Parse(Console.ReadLine()); var L = new Dictionary<long, int>(); var sqrt = (int)Math.Ceiling(Math.Sqrt(N)); long ans = N - 1; for (long i = 2; i <= sqrt; i++) { if (N % i == 0) { var t = N / i; var n = t - 1; if (n > 0 && N % n == N / n) ans += n; } } Console.WriteLine(ans); } } }
using System; using System.Collections.Generic; namespace diverta2019_D { class Program { static void Main(string[] args) { var N = long.Parse(Console.ReadLine()); var L = new Dictionary<long, int>(); var sqrt = (int)Math.Ceiling(Math.Sqrt(N)); long ans = 0; for (long i = 1; i <= sqrt; i++) { if (N % i == 0) { var t = N / i; var n = t - 1; if (n > 0 && N % n == N / n) ans += n; } } Console.WriteLine(ans); } } }
[["-", 0, 198, 0, 200, 0, 212, 0, 16, 31, 22], ["-", 0, 198, 0, 200, 0, 212, 0, 16, 17, 33], ["-", 0, 198, 0, 200, 0, 212, 0, 16, 12, 203], ["+", 0, 197, 0, 198, 0, 200, 0, 212, 0, 203], ["-", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203], ["+", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203]]
8
146
6
using System; class Diverta_2019_D { static void Main(string[] args) { long N = long.Parse(Console.ReadLine()); long sum = 0; long sqrt = (int)Math.Sqrt(N); for (long i = 1; i < sqrt; i++) { long a = (N - i) / i; if ((N - i) % i == 0) sum += a; } Console.WriteLine(sum); } }
using System; class Diverta_2019_D { static void Main(string[] args) { long N = long.Parse(Console.ReadLine()); long sum = 0; long sqrt = (int)Math.Sqrt(N); for (long i = 1; i < sqrt + 1; i++) { long a = (N - i) / i; if ((N - i) % i == 0 && i < a) sum += a; } Console.WriteLine(sum); } }
[["+", 8, 196, 0, 7, 15, 16, 12, 16, 17, 72], ["+", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 98], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 18], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22]]
8
100
6
using System; namespace ConsoleApp23 { class Program { static void Main(string[] args) { long x = long.Parse(Console.ReadLine()); long N = (long)System.Math.Sqrt(x); long Ans = 0; // Console.WriteLine(N); for (int n = 1; n <= N; ++n) { if (x % n == 0 && x / n != n) { Ans += x / n - 1; // Console.WriteLine(n-1); } } Console.WriteLine(Ans); } } }
using System; namespace ConsoleApp23 { class Program { static void Main(string[] args) { long x = long.Parse(Console.ReadLine()); long N = (long)System.Math.Sqrt(x); long Ans = 0; // Console.WriteLine(N); for (int n = 1; n <= N; ++n) { if (x % n == 0 && x / n - 1 >= N + 1) { Ans += x / n - 1; // Console.WriteLine(n-1); } } Console.WriteLine(Ans); } } }
[["-", 8, 196, 0, 57, 15, 16, 12, 16, 17, 79], ["-", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22], ["+", 0, 57, 15, 16, 12, 16, 31, 16, 17, 33], ["+", 0, 57, 15, 16, 12, 16, 31, 16, 12, 203], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 20], ["+", 0, 57, 15, 16, 12, 16, 12, 16, 31, 22], ["+", 0, 57, 15, 16, 12, 16, 12, 16, 17, 72], ["+", 0, 57, 15, 16, 12, 16, 12, 16, 12, 203]]
8
105
8
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace D { class Program { static void Main(string[] args) { long n = RLong(); int rootN = (int)Math.Sqrt(n); long cnt = 0; for (int r = 1; r <= rootN + 1; r++) { long pq = n - r; long p = pq / r; if (n == r * (p + 1) && n % r == 0 && pq % r == 0 && p >= rootN) { cnt += p; } } Console.WriteLine(cnt); } static string RSt() { return Console.ReadLine(); } static int RInt() { return int.Parse(Console.ReadLine().Trim()); } static long RLong() { return long.Parse(Console.ReadLine().Trim()); } static double RDouble() { return double.Parse(Console.ReadLine()); } static string[] RArSt(char sep = ' ') { return Console.ReadLine().Trim().Split(sep); } static int[] RArInt(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => int.Parse(e)); } static long[] RArLong(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => long.Parse(e)); } static double[] RArDouble(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => double.Parse(e)); } static string WAr<T>(IEnumerable<T> array, string sep = " ") { return string.Join(sep, array.Select(x => x.ToString()).ToArray()); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace D { class Program { static void Main(string[] args) { long n = RLong(); int rootN = (int)Math.Sqrt(n); long cnt = 0; for (int r = 1; r <= rootN + 1; r++) { long pq = n - r; long p = pq / r; if (n == r * (p + 1) && n % r == 0 && pq % r == 0 && p > r) { cnt += p; } } Console.WriteLine(cnt); } static string RSt() { return Console.ReadLine(); } static int RInt() { return int.Parse(Console.ReadLine().Trim()); } static long RLong() { return long.Parse(Console.ReadLine().Trim()); } static double RDouble() { return double.Parse(Console.ReadLine()); } static string[] RArSt(char sep = ' ') { return Console.ReadLine().Trim().Split(sep); } static int[] RArInt(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => int.Parse(e)); } static long[] RArLong(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => long.Parse(e)); } static double[] RArDouble(char sep = ' ') { return Array.ConvertAll(Console.ReadLine().Trim().Split(sep), e => double.Parse(e)); } static string WAr<T>(IEnumerable<T> array, string sep = " ") { return string.Join(sep, array.Select(x => x.ToString()).ToArray()); } } }
[["-", 8, 196, 0, 57, 15, 16, 12, 16, 17, 20], ["-", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22]]
8
429
4
using System; using System.Collections.Generic; using System.Linq; class Program { static long N; public static void Main(string[] args) { N = Input.NextLong(); long ans = 0; for (int i = 1; i < N; i++) { long a = (N - i) / i; if (i > a) break; long a_mod = (N - i) % i; if (a_mod == 0) { ans += a; } } Console.WriteLine(ans); } } public static class Input { private static Queue<string> q = new Queue<string>(); private static void Confirm() { if (q.Count == 0) foreach (var s in Console.ReadLine().Split(' ')) q.Enqueue(s); } public static int NextInt() { Confirm(); return int.Parse(q.Dequeue()); } public static long NextLong() { Confirm(); return long.Parse(q.Dequeue()); } public static string NextString() { Confirm(); return q.Dequeue(); } public static double NextDouble() { Confirm(); return double.Parse(q.Dequeue()); } public static int[] LineInt() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } public static long[] LineLong() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } public static string[] LineString() { return Console.ReadLine().Split(' ').ToArray(); } public static double[] LineDouble() { return Console.ReadLine().Split(' ').Select(double.Parse).ToArray(); } }
using System; using System.Collections.Generic; using System.Linq; class Program { static long N; public static void Main(string[] args) { N = Input.NextLong(); long ans = 0; for (int i = 1; i < N; i++) { long a = (N - i) / i; if (i >= a) break; long a_mod = (N - i) % i; if (a_mod == 0) { ans += a; } } Console.WriteLine(ans); } } public static class Input { private static Queue<string> q = new Queue<string>(); private static void Confirm() { if (q.Count == 0) foreach (var s in Console.ReadLine().Split(' ')) q.Enqueue(s); } public static int NextInt() { Confirm(); return int.Parse(q.Dequeue()); } public static long NextLong() { Confirm(); return long.Parse(q.Dequeue()); } public static string NextString() { Confirm(); return q.Dequeue(); } public static double NextDouble() { Confirm(); return double.Parse(q.Dequeue()); } public static int[] LineInt() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } public static long[] LineLong() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } public static string[] LineString() { return Console.ReadLine().Split(' ').ToArray(); } public static double[] LineDouble() { return Console.ReadLine().Split(' ').Select(double.Parse).ToArray(); } }
[["-", 0, 7, 8, 196, 0, 57, 15, 16, 17, 47], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 20]]
8
400
2
using System; using System.Collections.Generic; class Program { static void Main(string[] args) { ; long n = long.Parse(Console.ReadLine()); long ans = 0; for (long i = 1;; i++) { if (n / i < i) break; if (n % i == 0) ans += n / i - 1; } Console.WriteLine(ans); } } // mcs Main.cs // mono Main.exe
using System; using System.Collections.Generic; class Program { static void Main(string[] args) { ; long n = long.Parse(Console.ReadLine()); long ans = 0; for (long i = 1;; i++) { if (n / i - 1 < i + 1) break; if (n % i == 0) ans += n / i - 1; } Console.WriteLine(ans); } } // mcs Main.cs // mono Main.exe
[["+", 8, 196, 0, 57, 15, 16, 31, 16, 17, 33], ["+", 8, 196, 0, 57, 15, 16, 31, 16, 12, 203], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 72], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 203]]
8
93
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using static System.Console; using static System.Math; namespace AtTest.diverta2019 { class D { static void Main(string[] args) { Method(args); } static void Method(string[] args) { long n = ReadLong(); long res = 0; for (long i = 1; i <= n / i; i++) { if (n % i > 0) continue; long m = n / i - 1; if (m < i) continue; res += m; } WriteLine(res); } private static string Read() { return ReadLine(); } private static char[] ReadChars() { return Array.ConvertAll(Read().Split(), a => a[0]); } private static int ReadInt() { return int.Parse(Read()); } private static long ReadLong() { return long.Parse(Read()); } private static double ReadDouble() { return double.Parse(Read()); } private static int[] ReadInts() { return Array.ConvertAll(Read().Split(), int.Parse); } private static long[] ReadLongs() { return Array.ConvertAll(Read().Split(), long.Parse); } private static double[] ReadDoubles() { return Array.ConvertAll(Read().Split(), double.Parse); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using static System.Console; using static System.Math; namespace AtTest.diverta2019 { class D { static void Main(string[] args) { Method(args); } static void Method(string[] args) { long n = ReadLong(); long res = 0; for (long i = 1; i <= n / i; i++) { if (n % i > 0) continue; long m = n / i - 1; if (i < m) res += m; } WriteLine(res); } private static string Read() { return ReadLine(); } private static char[] ReadChars() { return Array.ConvertAll(Read().Split(), a => a[0]); } private static int ReadInt() { return int.Parse(Read()); } private static long ReadLong() { return long.Parse(Read()); } private static double ReadDouble() { return double.Parse(Read()); } private static int[] ReadInts() { return Array.ConvertAll(Read().Split(), int.Parse); } private static long[] ReadLongs() { return Array.ConvertAll(Read().Split(), long.Parse); } private static double[] ReadDoubles() { return Array.ConvertAll(Read().Split(), double.Parse); } } }
[["-", 0, 7, 8, 196, 0, 57, 15, 16, 31, 22], ["-", 0, 7, 8, 196, 0, 57, 15, 16, 17, 18], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 18], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 12, 22], ["-", 0, 7, 8, 196, 0, 57, 64, 116, 0, 117], ["-", 0, 7, 8, 196, 0, 57, 64, 116, 0, 35]]
8
317
6
using System; using System.Linq; using System.Collections.Generic; using System.Diagnostics; using Debug = System.Diagnostics.Trace; using SB = System.Text.StringBuilder; using System.Numerics; using static System.Math; namespace Program { public class Solver { Random rnd = new Random(); public void Solve() { var n = ri; var a = new int[n + 1]; for (int i = 0; i < n; i++) a[i + 1] = a[i] ^ ri; var dp = new ModInt[1 << 20, 2]; var zero = new int[1 << 20]; for (int x = 0; x < 1 << 20; x++) { dp[x, 0] = 1; zero[x] = 10000000; } var z = 0; for (int i = 1; i <= n; i++) { var x = a[i]; if (a[i] == 0) z++; else { dp[x, 0] += dp[x, 1] * Max(0, z - zero[x]); dp[x, 1] += dp[x, 0]; zero[x] = z; } } if (a.Last() == 0) { ModInt ans = 0; ans += ModInt.Pow(2, z - 1); Debug.WriteLine(ans); for (int x = 1; x < 1 << 20; x++) ans += dp[x, 1]; Console.WriteLine(ans); } else { Console.WriteLine(dp[a.Last(), 1]); } } const long INF = 1L << 60; static int[] dx = { -1, 0, 1, 0 }; static int[] dy = { 0, 1, 0, -1 }; int ri { get { return sc.Integer(); } } long rl { get { return sc.Long(); } } double rd { get { return sc.Double(); } } string rs { get { return sc.Scan(); } } public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput()); static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < a.Length; ++i) a[i] = f(i); return a; } static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; } } } #region main static class Ex { static public void Main() { Console.SetOut(new Program.IO.Printer( Console.OpenStandardOutput()) { AutoFlush = true }); var solver = new Program.Solver(); var t = new System.Threading.Thread(solver.Solve, 50000000); t.Start(); t.Join(); // solver.Solve(); Console.Out.Flush(); } } #endregion #region Ex namespace Program.IO { using System.IO; using System.Text; using System.Globalization; public class Printer : StreamWriter { public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } } public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) {} } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } public readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; public bool IsEndOfStream { get { return isEof; } } private byte read() { if (isEof) return 0; if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public string ScanLine() { var sb = new StringBuilder(); for (var b = Char(); b != '\n' && b != 0; b = (char)read()) if (b != '\r') sb.Append(b); return sb.ToString(); } public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); } public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); } public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); } } } #endregion #region ModInt /// <summary> /// [0,<see cref="Mod"/>) までの値を取るような数 /// </summary> public struct ModInt { /// <summary> /// 剰余を取る値. /// </summary> public const long Mod = (int)1e9 + 7; /// <summary> /// 実際の数値. /// </summary> public long num; /// <summary> /// 値が <paramref name="n"/> であるようなインスタンスを構築します. /// </summary> /// <param name="n">インスタンスが持つ値</param> /// <remarks>パフォーマンスの問題上,コンストラクタ内では剰余を取りません.そのため,<paramref /// name="n"/> ∈ [0,<see cref="Mod"/>) を満たすような <paramref name="n"/> /// を渡してください.このコンストラクタは O(1) で実行されます.</remarks> public ModInt(long n) { num = n; } /// <summary> /// このインスタンスの数値を文字列に変換します. /// </summary> /// <returns>[0,<see cref="Mod"/>) の範囲内の整数を 10 /// 進表記したもの.</returns> public override string ToString() { return num.ToString(); } public static ModInt operator +(ModInt l, ModInt r) { l.num += r.num; if (l.num >= Mod) l.num -= Mod; return l; } public static ModInt operator -(ModInt l, ModInt r) { l.num -= r.num; if (l.num < 0) l.num += Mod; return l; } public static ModInt operator *(ModInt l, ModInt r) { return new ModInt(l.num * r.num % Mod); } public static implicit operator ModInt(long n) { n %= Mod; if (n < 0) n += Mod; return new ModInt(n); } /// <summary> /// 与えられた 2 つの数値からべき剰余を計算します. /// </summary> /// <param name="v">べき乗の底</param> /// <param name="k">べき指数</param> /// <returns>繰り返し二乗法により O(N log N) で実行されます.</returns> public static ModInt Pow(ModInt v, long k) { return Pow(v.num, k); } /// <summary> /// 与えられた 2 つの数値からべき剰余を計算します. /// </summary> /// <param name="v">べき乗の底</param> /// <param name="k">べき指数</param> /// <returns>繰り返し二乗法により O(N log N) で実行されます.</returns> public static ModInt Pow(long v, long k) { long ret = 1; for (k %= Mod - 1; k > 0; k >>= 1, v = v * v % Mod) if ((k & 1) == 1) ret = ret * v % Mod; return new ModInt(ret); } /// <summary> /// 与えられた数の逆元を計算します. /// </summary> /// <param name="v">逆元を取る対象となる数</param> /// <returns>逆元となるような値</returns> /// <remarks>法が素数であることを仮定して,フェルマーの小定理に従って逆元を /// O(log N) で計算します.</remarks> public static ModInt Inverse(ModInt v) { return Pow(v, Mod - 2); } } #endregion
using System; using System.Linq; using System.Collections.Generic; using System.Diagnostics; using Debug = System.Diagnostics.Trace; using SB = System.Text.StringBuilder; using System.Numerics; using static System.Math; namespace Program { public class Solver { Random rnd = new Random(); public void Solve() { var n = ri; var a = new int[n + 1]; for (int i = 0; i < n; i++) a[i + 1] = a[i] ^ ri; var dp = new ModInt[1 << 20, 2]; var zero = new int[1 << 20]; for (int x = 0; x < 1 << 20; x++) { dp[x, 0] = 1; zero[x] = 10000000; } var z = 0; for (int i = 1; i <= n; i++) { var x = a[i]; if (a[i] == 0) z++; else { dp[x, 0] += dp[x, 1] * Max(0, z - zero[x]); dp[x, 1] += dp[x, 0]; zero[x] = z; } } if (a.Last() == 0) { ModInt ans = 0; ans += ModInt.Pow(2, z - 1); Debug.WriteLine(ans); for (int x = 1; x < 1 << 20; x++) ans += dp[x, 1]; Console.WriteLine(ans); } else { Console.WriteLine(dp[a.Last(), 0]); } } const long INF = 1L << 60; static int[] dx = { -1, 0, 1, 0 }; static int[] dy = { 0, 1, 0, -1 }; int ri { get { return sc.Integer(); } } long rl { get { return sc.Long(); } } double rd { get { return sc.Double(); } } string rs { get { return sc.Scan(); } } public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput()); static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < a.Length; ++i) a[i] = f(i); return a; } static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; } } } #region main static class Ex { static public void Main() { Console.SetOut(new Program.IO.Printer( Console.OpenStandardOutput()) { AutoFlush = true }); var solver = new Program.Solver(); var t = new System.Threading.Thread(solver.Solve, 50000000); t.Start(); t.Join(); // solver.Solve(); Console.Out.Flush(); } } #endregion #region Ex namespace Program.IO { using System.IO; using System.Text; using System.Globalization; public class Printer : StreamWriter { public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } } public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) {} } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } public readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; public bool IsEndOfStream { get { return isEof; } } private byte read() { if (isEof) return 0; if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public string ScanLine() { var sb = new StringBuilder(); for (var b = Char(); b != '\n' && b != 0; b = (char)read()) if (b != '\r') sb.Append(b); return sb.ToString(); } public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); } public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); } public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); } } } #endregion #region ModInt /// <summary> /// [0,<see cref="Mod"/>) までの値を取るような数 /// </summary> public struct ModInt { /// <summary> /// 剰余を取る値. /// </summary> public const long Mod = (int)1e9 + 7; /// <summary> /// 実際の数値. /// </summary> public long num; /// <summary> /// 値が <paramref name="n"/> であるようなインスタンスを構築します. /// </summary> /// <param name="n">インスタンスが持つ値</param> /// <remarks>パフォーマンスの問題上,コンストラクタ内では剰余を取りません.そのため,<paramref /// name="n"/> ∈ [0,<see cref="Mod"/>) を満たすような <paramref name="n"/> /// を渡してください.このコンストラクタは O(1) で実行されます.</remarks> public ModInt(long n) { num = n; } /// <summary> /// このインスタンスの数値を文字列に変換します. /// </summary> /// <returns>[0,<see cref="Mod"/>) の範囲内の整数を 10 /// 進表記したもの.</returns> public override string ToString() { return num.ToString(); } public static ModInt operator +(ModInt l, ModInt r) { l.num += r.num; if (l.num >= Mod) l.num -= Mod; return l; } public static ModInt operator -(ModInt l, ModInt r) { l.num -= r.num; if (l.num < 0) l.num += Mod; return l; } public static ModInt operator *(ModInt l, ModInt r) { return new ModInt(l.num * r.num % Mod); } public static implicit operator ModInt(long n) { n %= Mod; if (n < 0) n += Mod; return new ModInt(n); } /// <summary> /// 与えられた 2 つの数値からべき剰余を計算します. /// </summary> /// <param name="v">べき乗の底</param> /// <param name="k">べき指数</param> /// <returns>繰り返し二乗法により O(N log N) で実行されます.</returns> public static ModInt Pow(ModInt v, long k) { return Pow(v.num, k); } /// <summary> /// 与えられた 2 つの数値からべき剰余を計算します. /// </summary> /// <param name="v">べき乗の底</param> /// <param name="k">べき指数</param> /// <returns>繰り返し二乗法により O(N log N) で実行されます.</returns> public static ModInt Pow(long v, long k) { long ret = 1; for (k %= Mod - 1; k > 0; k >>= 1, v = v * v % Mod) if ((k & 1) == 1) ret = ret * v % Mod; return new ModInt(ret); } /// <summary> /// 与えられた数の逆元を計算します. /// </summary> /// <param name="v">逆元を取る対象となる数</param> /// <returns>逆元となるような値</returns> /// <remarks>法が素数であることを仮定して,フェルマーの小定理に従って逆元を /// O(log N) で計算します.</remarks> public static ModInt Inverse(ModInt v) { return Pow(v, Mod - 2); } } #endregion
[["-", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203]]
8
1,414
2
using System; using System.Collections.Generic; using System.Linq; using static System.Console; class Z { static void Main() => new K(); } class K { int[] G => ReadLine().Split().Select(int.Parse).ToArray(); static T[] MakeArray<T>(int n, Func<int, T> f) { var a = new T[n]; for (var i = 0; i < n; i++) a[i] = f(i); return a; } static T[] Recurse<T>(int n, T a0, Func<int, T, T> f) { var a = new T[n]; a[0] = a0; for (var i = 1; i < n; i++) a[i] = f(i, a[i - 1]); return a; } static T[] Accumulate<T>(IList<T> a, T zero, Func<T, T, T> f) { var s = new T[a.Count + 1]; s[0] = zero; for (var i = 0; i < a.Count; i++) s[i + 1] = f(s[i], a[i]); return s; } static int[] Accumulate(IList<int> a) { var s = new int[a.Count + 1]; for (var i = 0; i < a.Count; i++) s[i + 1] = s[i] + a[i]; return s; } const int MOD = 1000000007; public K() { var N = G[0]; var A = G; var sum = Accumulate(A, 0, (a, b) => a ^ b); var zero = Accumulate(sum.Select(t => t == 0 ? 1 : 0).ToList()); Func<IList<int>, int[]> getZero = l => MakeArray(l.Count - 1, i => zero[l[i + 1]] - zero[l[i]]); var dic = Indexes(sum); if (sum[N] != 0) WriteLine(DP(getZero(dic[-1])).Last()); else { var ans = Pow(2, zero[N + 1] - 2, MOD); foreach (var t in dic) if (t.Key != 0) ans = (ans + DP(getZero(t.Value)).Sum()) % MOD; WriteLine(ans % MOD); } } static Dictionary<int, List<int>> Indexes(IList<int> x) { var dic = new Dictionary<int, List<int>>(); for (var i = 0; i < x.Count; i++) { if (!dic.ContainsKey(x[i])) dic[x[i]] = new List<int>(); dic[x[i]].Add(i); } return dic; } static long[] DP(IList<int> zs) { var L = zs.Count; var dp = new long[L + 1]; dp[0] = 1; var sum = 1L; for (var j = 0; j < L; j++) { dp[j + 1] = (dp[j] + zs[j] * sum % MOD) % MOD; sum = (sum + dp[j + 1]) % MOD; } return dp; } public static long Pow(long a, long b, long mod) { long p = 1L, x = a; while (b > 0) { if ((b & 1L) == 1L) p = p * x % mod; b >>= 1; x = x * x % mod; } return p; } }
using System; using System.Collections.Generic; using System.Linq; using static System.Console; class Z { static void Main() => new K(); } class K { int[] G => ReadLine().Split().Select(int.Parse).ToArray(); static T[] MakeArray<T>(int n, Func<int, T> f) { var a = new T[n]; for (var i = 0; i < n; i++) a[i] = f(i); return a; } static T[] Recurse<T>(int n, T a0, Func<int, T, T> f) { var a = new T[n]; a[0] = a0; for (var i = 1; i < n; i++) a[i] = f(i, a[i - 1]); return a; } static T[] Accumulate<T>(IList<T> a, T zero, Func<T, T, T> f) { var s = new T[a.Count + 1]; s[0] = zero; for (var i = 0; i < a.Count; i++) s[i + 1] = f(s[i], a[i]); return s; } static int[] Accumulate(IList<int> a) { var s = new int[a.Count + 1]; for (var i = 0; i < a.Count; i++) s[i + 1] = s[i] + a[i]; return s; } const int MOD = 1000000007; public K() { var N = G[0]; var A = G; var sum = Accumulate(A, 0, (a, b) => a ^ b); var zero = Accumulate(sum.Select(t => t == 0 ? 1 : 0).ToList()); Func<IList<int>, int[]> getZero = l => MakeArray(l.Count - 1, i => zero[l[i + 1]] - zero[l[i]]); var dic = Indexes(sum); if (sum[N] != 0) WriteLine(DP(getZero(dic[sum[N]])).Last()); else { var ans = Pow(2, zero[N + 1] - 2, MOD); foreach (var t in dic) if (t.Key != 0) ans = (ans + DP(getZero(t.Value)).Sum()) % MOD; WriteLine(ans % MOD); } } static Dictionary<int, List<int>> Indexes(IList<int> x) { var dic = new Dictionary<int, List<int>>(); for (var i = 0; i < x.Count; i++) { if (!dic.ContainsKey(x[i])) dic[x[i]] = new List<int>(); dic[x[i]].Add(i); } return dic; } static long[] DP(IList<int> zs) { var L = zs.Count; var dp = new long[L + 1]; dp[0] = 1; var sum = 1L; for (var j = 0; j < L; j++) { dp[j + 1] = (dp[j] + zs[j] * sum % MOD) % MOD; sum = (sum + dp[j + 1]) % MOD; } return dp; } public static long Pow(long a, long b, long mod) { long p = 1L, x = a; while (b > 0) { if ((b & 1L) == 1L) p = p * x % mod; b >>= 1; x = x * x % mod; } return p; } }
[["-", 0, 204, 206, 207, 0, 28, 0, 241, 0, 33], ["-", 0, 204, 206, 207, 0, 28, 0, 241, 0, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 204, 205, 22], ["+", 206, 207, 0, 28, 0, 204, 206, 207, 0, 70], ["+", 0, 28, 0, 204, 206, 207, 0, 28, 0, 22], ["+", 206, 207, 0, 28, 0, 204, 206, 207, 0, 73]]
8
835
6
using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Linq; namespace Contest { class Program { private int H, W; private char[][] A; private int[] nextY = new int[] { 1, 0, -1, 0 }; private int[] nextX = new int[] { 0, 1, 0, -1 }; public void Solve() { var sc = new Scanner(); H = sc.NextInt(); W = sc.NextInt(); A = new char [H][]; for (int i = 0; i < H; i++) { A[i] = sc.Next().ToArray(); } var hq = new Queue<int>(); var wq = new Queue<int>(); var cnt = new int[H, W]; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { cnt[i, j] = -1; if (A[i][j] == '#') { cnt[i, j] = 0; hq.Enqueue(i); wq.Enqueue(j); } } } while (hq.Count > 0) { int h = hq.Dequeue(); int w = wq.Dequeue(); for (int i = 0; i < 4; i++) { int nY = h + nextY[i]; int nX = w + nextX[i]; if (nY < 0 || nY >= H) continue; if (nX < 0 || nX >= H) continue; if (cnt[nY, nX] != -1) continue; cnt[nY, nX] = cnt[h, w] + 1; hq.Enqueue(nY); wq.Enqueue(nX); } } int ans = 0; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { ans = Math.Max(ans, cnt[i, j]); } } Console.WriteLine(ans); } static void Main() => new Program().Solve(); } } class Scanner { public Scanner() { _stream = new StreamReader(Console.OpenStandardInput()); _pos = 0; _line = new string[0]; _separator = ' '; } private char _separator; private StreamReader _stream; private int _pos; private string[] _line; #region get a element public string Next() { if (_pos >= _line.Length) { _line = _stream.ReadLine().Split(_separator); _pos = 0; } return _line[_pos++]; } public int NextInt() { return int.Parse(Next()); } public long NextLong() { return long.Parse(Next()); } public double NextDouble() { return double.Parse(Next()); } #endregion #region convert array private int[] ToIntArray(string[] array) { var result = new int[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = int.Parse(array[i]); } return result; } private long[] ToLongArray(string[] array) { var result = new long[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = long.Parse(array[i]); } return result; } private double[] ToDoubleArray(string[] array) { var result = new double[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = double.Parse(array[i]); } return result; } #endregion #region get array public string[] Array() { if (_pos >= _line.Length) _line = _stream.ReadLine().Split(_separator); _pos = _line.Length; return _line; } public int[] IntArray() { return ToIntArray(Array()); } public long[] LongArray() { return ToLongArray(Array()); } public double[] DoubleArray() { return ToDoubleArray(Array()); } #endregion }
using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Linq; namespace Contest { class Program { private int H, W; private char[][] A; private int[] nextY = new int[] { 1, 0, -1, 0 }; private int[] nextX = new int[] { 0, 1, 0, -1 }; public void Solve() { var sc = new Scanner(); H = sc.NextInt(); W = sc.NextInt(); A = new char [H][]; for (int i = 0; i < H; i++) { A[i] = sc.Next().ToArray(); } var hq = new Queue<int>(); var wq = new Queue<int>(); var cnt = new int[H, W]; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { cnt[i, j] = -1; if (A[i][j] == '#') { cnt[i, j] = 0; hq.Enqueue(i); wq.Enqueue(j); } } } while (hq.Count > 0) { int h = hq.Dequeue(); int w = wq.Dequeue(); for (int i = 0; i < 4; i++) { int nY = h + nextY[i]; int nX = w + nextX[i]; if (nY < 0 || nY >= H) continue; if (nX < 0 || nX >= W) continue; if (cnt[nY, nX] != -1) continue; cnt[nY, nX] = cnt[h, w] + 1; hq.Enqueue(nY); wq.Enqueue(nX); } } int ans = 0; for (int i = 0; i < H; i++) { for (int j = 0; j < W; j++) { ans = Math.Max(ans, cnt[i, j]); } } Console.WriteLine(ans); } static void Main() => new Program().Solve(); } } class Scanner { public Scanner() { _stream = new StreamReader(Console.OpenStandardInput()); _pos = 0; _line = new string[0]; _separator = ' '; } private char _separator; private StreamReader _stream; private int _pos; private string[] _line; #region get a element public string Next() { if (_pos >= _line.Length) { _line = _stream.ReadLine().Split(_separator); _pos = 0; } return _line[_pos++]; } public int NextInt() { return int.Parse(Next()); } public long NextLong() { return long.Parse(Next()); } public double NextDouble() { return double.Parse(Next()); } #endregion #region convert array private int[] ToIntArray(string[] array) { var result = new int[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = int.Parse(array[i]); } return result; } private long[] ToLongArray(string[] array) { var result = new long[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = long.Parse(array[i]); } return result; } private double[] ToDoubleArray(string[] array) { var result = new double[array.Length]; for (int i = 0; i < array.Length; i++) { result[i] = double.Parse(array[i]); } return result; } #endregion #region get array public string[] Array() { if (_pos >= _line.Length) _line = _stream.ReadLine().Split(_separator); _pos = _line.Length; return _line; } public int[] IntArray() { return ToIntArray(Array()); } public long[] LongArray() { return ToLongArray(Array()); } public double[] DoubleArray() { return ToDoubleArray(Array()); } #endregion }
[["-", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 12, 22]]
8
917
2
using System; using static System.Console; using System.Text; using System.Linq; using static System.Math; using System.Collections.Generic; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Program { public static cp alg; public static int h; public static int w; public static string[] A; public static List<int[]> V; static void Main(string[] args) { alg = new cp(); var hw = alg.inputSplitInt(); h = hw[0]; w = hw[1]; A = alg.inputLinesString(h); var cost = new int[h, w]; for (int a = 0; a < h; a++) { for (int b = 0; b < w; b++) { cost[a, b] = -1; } } var que = new Queue<int[]>(); //最初の#をキューに入れる int count = 0; for (int a = 0; a < h; a++) { for (int b = 0; b < w; b++) { if (A[a][b] == '#') { que.Enqueue(new int[2] { b, a }); cost[a, b] = 0; } } } while (que.Count > 0) { var now = que.Dequeue(); var x = now[0]; var y = now[1]; var dx = new int[] { -1, 0, 1, 0 }; var dy = new int[] { 0, -1, 0, 1 }; for (int a = 0; a < 4; a++) { if (x + dx[a] < 0 || x + dx[a] >= w || y + dy[a] < 0 || y + dy[a] >= h || cost[y + dy[a], x + dx[a]] == -1) continue; que.Enqueue(new int[] { x + dx[a], y + dy[a] }); cost[y + dy[a], x + dx[a]] = cost[y, x] + 1; count = Math.Max(count, cost[y, x] + 1); } } WriteLine(count); } } class cp { public cp() {} public int GCD(int a, int b) { return a % b == 0 ? b : GCD(b, a % b); } public int LCM(int a, int b) { return a * b / GCD(a, b); } public int countChar(string s, string key) { return s.Length - s.Replace(key, "").Length; } public string Yn(bool f) { if (f) { return "Yes"; } else { return "No"; } } public string YN(bool f) { if (f) { return "YES"; } else { return "NO"; } } public string yn(bool f) { if (f) { return "yes"; } else { return "no"; } } public void inputSkip() { ReadLine(); return; } public string inputString() { return ReadLine(); } public string[] inputSplitString() { return ReadLine().Split(); } public string[] inputLinesString(int len) { var arr = new string[len]; for (int a = 0; a < len; a++) { arr[a] = ReadLine(); } return arr; } public string[][] inputJaggedArrayString(int len) { var arr = new string[len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split(); } return arr; } public int inputInt() { return int.Parse(ReadLine()); } public int[] inputSplitInt() { return ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } public int[] inputLinesInt(int len) { var arr = new int[len]; for (int a = 0; a < len; a++) { arr[a] = int.Parse(ReadLine()); } return arr; } public int[][] inputJaggedArrayInt(int len) { var arr = new int [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } return arr; } public long inputLong() { return long.Parse(ReadLine()); } public long[] inputSplitLong() { return ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } public long[] inputLinesLong(int len) { var arr = new long[len]; for (int a = 0; a < len; a++) { arr[a] = long.Parse(ReadLine()); } return arr; } public long[][] inputJaggedArrayLong(int len) { var arr = new long [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } return arr; } public double inputDouble() { return double.Parse(ReadLine()); } public double[] inputSplitDouble() { return ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } public double[] inputLinesDouble(int len) { var arr = new double[len]; for (int a = 0; a < len; a++) { arr[a] = double.Parse(ReadLine()); } return arr; } public double[][] inputJaggedArrayDouble(int len) { var arr = new double [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } return arr; } }
using System; using static System.Console; using System.Text; using System.Linq; using static System.Math; using System.Collections.Generic; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Program { public static cp alg; public static int h; public static int w; public static string[] A; public static List<int[]> V; static void Main(string[] args) { alg = new cp(); var hw = alg.inputSplitInt(); h = hw[0]; w = hw[1]; A = alg.inputLinesString(h); var cost = new int[h, w]; for (int a = 0; a < h; a++) { for (int b = 0; b < w; b++) { cost[a, b] = -1; } } var que = new Queue<int[]>(); //最初の#をキューに入れる int count = 0; for (int a = 0; a < h; a++) { for (int b = 0; b < w; b++) { if (A[a][b] == '#') { que.Enqueue(new int[2] { b, a }); cost[a, b] = 0; } } } while (que.Count > 0) { var now = que.Dequeue(); var x = now[0]; var y = now[1]; var dx = new int[] { -1, 0, 1, 0 }; var dy = new int[] { 0, -1, 0, 1 }; for (int a = 0; a < 4; a++) { if (x + dx[a] < 0 || x + dx[a] >= w || y + dy[a] < 0 || y + dy[a] >= h || cost[y + dy[a], x + dx[a]] > -1) continue; que.Enqueue(new int[] { x + dx[a], y + dy[a] }); cost[y + dy[a], x + dx[a]] = cost[y, x] + 1; count = Math.Max(count, cost[y, x] + 1); } } WriteLine(count); } } class cp { public cp() {} public int GCD(int a, int b) { return a % b == 0 ? b : GCD(b, a % b); } public int LCM(int a, int b) { return a * b / GCD(a, b); } public int countChar(string s, string key) { return s.Length - s.Replace(key, "").Length; } public string Yn(bool f) { if (f) { return "Yes"; } else { return "No"; } } public string YN(bool f) { if (f) { return "YES"; } else { return "NO"; } } public string yn(bool f) { if (f) { return "yes"; } else { return "no"; } } public void inputSkip() { ReadLine(); return; } public string inputString() { return ReadLine(); } public string[] inputSplitString() { return ReadLine().Split(); } public string[] inputLinesString(int len) { var arr = new string[len]; for (int a = 0; a < len; a++) { arr[a] = ReadLine(); } return arr; } public string[][] inputJaggedArrayString(int len) { var arr = new string[len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split(); } return arr; } public int inputInt() { return int.Parse(ReadLine()); } public int[] inputSplitInt() { return ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } public int[] inputLinesInt(int len) { var arr = new int[len]; for (int a = 0; a < len; a++) { arr[a] = int.Parse(ReadLine()); } return arr; } public int[][] inputJaggedArrayInt(int len) { var arr = new int [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } return arr; } public long inputLong() { return long.Parse(ReadLine()); } public long[] inputSplitLong() { return ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } public long[] inputLinesLong(int len) { var arr = new long[len]; for (int a = 0; a < len; a++) { arr[a] = long.Parse(ReadLine()); } return arr; } public long[][] inputJaggedArrayLong(int len) { var arr = new long [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } return arr; } public double inputDouble() { return double.Parse(ReadLine()); } public double[] inputSplitDouble() { return ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } public double[] inputLinesDouble(int len) { var arr = new double[len]; for (int a = 0; a < len; a++) { arr[a] = double.Parse(ReadLine()); } return arr; } public double[][] inputJaggedArrayDouble(int len) { var arr = new double [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } return arr; } }
[["-", 8, 196, 0, 57, 15, 16, 12, 16, 17, 60], ["+", 8, 196, 0, 57, 15, 16, 12, 16, 17, 47]]
8
1,353
2
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int[] HW = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int H = HW[0]; int W = HW[1]; char[] A = new char[H * W]; for (int i = 0; i < H; i++) { var line = Console.ReadLine().ToArray(); line.CopyTo(A, i * W); } var Blacks = A.Select((c, i) => new { c, i }) .Where(itm => itm.c == '#') .Select(itm => itm.i) .ToArray(); int[] MAP = new int[H * W]; for (int i = 0; i < MAP.Length; i++) MAP[i] = -1; Queue<int> q = new Queue<int>(); foreach (var black in Blacks) { MAP[black] = 0; q.Enqueue(black); } while (q.Any()) { var pt = q.Dequeue(); var x = pt % W; var y = pt / W; if (x + 1 < W && MAP[W * y + (x + 1)] == -1) { MAP[W * y + (x + 1)] = MAP[pt] + 1; q.Enqueue(W * y + (x + 1)); } if (x - 1 > 0 && MAP[W * y + (x - 1)] == -1) { MAP[W * y + (x - 1)] = MAP[pt] + 1; q.Enqueue(W * y + (x - 1)); } if (y + 1 < H && MAP[W * (y + 1) + x] == -1) { MAP[W * (y + 1) + x] = MAP[pt] + 1; q.Enqueue(W * (y + 1) + x); } if (y - 1 > 0 && MAP[W * (y - 1) + x] == -1) { MAP[W * (y - 1) + x] = MAP[pt] + 1; q.Enqueue(W * (y - 1) + x); } } Console.WriteLine(MAP.Max()); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int[] HW = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int H = HW[0]; int W = HW[1]; char[] A = new char[H * W]; for (int i = 0; i < H; i++) { var line = Console.ReadLine().ToArray(); line.CopyTo(A, i * W); } var Blacks = A.Select((c, i) => new { c, i }) .Where(itm => itm.c == '#') .Select(itm => itm.i) .ToArray(); int[] MAP = new int[H * W]; for (int i = 0; i < MAP.Length; i++) MAP[i] = -1; Queue<int> q = new Queue<int>(); foreach (var black in Blacks) { MAP[black] = 0; q.Enqueue(black); } while (q.Any()) { var pt = q.Dequeue(); var x = pt % W; var y = pt / W; if (x + 1 < W && MAP[W * y + (x + 1)] == -1) { MAP[W * y + (x + 1)] = MAP[pt] + 1; q.Enqueue(W * y + (x + 1)); } if (x - 1 >= 0 && MAP[W * y + (x - 1)] == -1) { MAP[W * y + (x - 1)] = MAP[pt] + 1; q.Enqueue(W * y + (x - 1)); } if (y + 1 < H && MAP[W * (y + 1) + x] == -1) { MAP[W * (y + 1) + x] = MAP[pt] + 1; q.Enqueue(W * (y + 1) + x); } if (y - 1 >= 0 && MAP[W * (y - 1) + x] == -1) { MAP[W * (y - 1) + x] = MAP[pt] + 1; q.Enqueue(W * (y - 1) + x); } } Console.WriteLine(MAP.Max()); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
[["-", 8, 196, 0, 57, 15, 16, 31, 16, 17, 47], ["+", 8, 196, 0, 57, 15, 16, 31, 16, 17, 20]]
8
792
4
using System; using System.Text; using System.Linq; using System.Collections; using System.Collections.Generic; class Program { static long mod = 998244353; static void Main(string[] args) { char[] cs = new char[] { ' ' }; // char[] cs = new char[] { ' ', ',' }; // int val = int.Parse(Console.ReadLine()); // int[] vals = parseAry(Console.ReadLine().Split(cs)); // string str = Console.ReadLine(); // string[] strs = Console.ReadLine().Split(cs); // string res=""; // int res = 0; ; // int t = int.Parse(Console.ReadLine()); // string str = Console.ReadLine(); // int[] vals = parseAry(Console.ReadLine().Split(cs)); // int n = int.Parse(Console.ReadLine()); // string res=""; long res = 0; // int n = int.Parse(Console.ReadLine()); int[] vals = parseAry(Console.ReadLine().Split(cs)); int x = vals[0]; int y = vals[1]; List<int[]> now = new List<int[]>(); List<int[]> next = new List<int[]>(); string strs = ""; int[,] map = new int[y, x]; for (int i = 0; i < y; i++) { strs = Console.ReadLine(); for (int k = 0; k < strs.Length; k++) { if (strs[k] == '#') { map[i, k] = '#'; now.Add(new int[] { i, k }); } else { map[i, k] = '.'; } } } int[,] nextmap = (int[,])map.Clone(); ; int[] DX = new int[4] { -1, 1, 0, 0 }; int[] DY = new int[4] { 0, 0, -1, 1 }; while (true) { for (int i = 0; i < now.Count; i++) { for (int d = 0; d < DX.Length; d++) { int xx = now[i][1] + DX[d]; int yy = now[i][0] + DY[d]; if (0 <= yy && yy < y && 0 <= xx && xx < x) { if (map[yy, xx] == '.') { map[yy, xx] = '#'; next.Add(new int[2] { yy, xx }); } } } } res++; if (next.Count == 0) { break; } now = new List<int[]>(); for (int i = 0; i < next.Count; i++) { now.Add((int[])next[i].Clone()); } next = new List<int[]>(); } res--; Console.WriteLine(res); return; } // 文字列strをindex番目からdで上書き static string strOverWrite(string str, int i, string s) { return str.Remove(i, s.Length).Insert(i, s); } // String[] -----> int[] static int[] parseAry(string[] str) { int[] nums = new int[str.Length]; for (int i = 0; i < str.Length; i++) { nums[i] = int.Parse(str[i]); } return nums; } // String[] -----> long[] static long[] parseAryL(string[] str) { long[] nums = new long[str.Length]; for (int i = 0; i < str.Length; i++) { nums[i] = long.Parse(str[i]); } return nums; } //文字列を1文字ずつString[]に入れる static string[] strAry(String str) { string[] re = new string[str.Length]; for (int i = 0; i < str.Length; i++) { re[i] = str[i].ToString(); } return re; } }
using System; using System.Text; using System.Linq; using System.Collections; using System.Collections.Generic; class Program { static long mod = 998244353; static void Main(string[] args) { char[] cs = new char[] { ' ' }; // char[] cs = new char[] { ' ', ',' }; // int val = int.Parse(Console.ReadLine()); // int[] vals = parseAry(Console.ReadLine().Split(cs)); // string str = Console.ReadLine(); // string[] strs = Console.ReadLine().Split(cs); // string res=""; // int res = 0; ; // int t = int.Parse(Console.ReadLine()); // string str = Console.ReadLine(); // int[] vals = parseAry(Console.ReadLine().Split(cs)); // int n = int.Parse(Console.ReadLine()); // string res=""; long res = 0; // int n = int.Parse(Console.ReadLine()); int[] vals = parseAry(Console.ReadLine().Split(cs)); int y = vals[0]; int x = vals[1]; List<int[]> now = new List<int[]>(); List<int[]> next = new List<int[]>(); string strs = ""; int[,] map = new int[y, x]; for (int i = 0; i < y; i++) { strs = Console.ReadLine(); for (int k = 0; k < strs.Length; k++) { if (strs[k] == '#') { map[i, k] = '#'; now.Add(new int[] { i, k }); } else { map[i, k] = '.'; } } } int[,] nextmap = (int[,])map.Clone(); ; int[] DX = new int[4] { -1, 1, 0, 0 }; int[] DY = new int[4] { 0, 0, -1, 1 }; while (true) { for (int i = 0; i < now.Count; i++) { for (int d = 0; d < DX.Length; d++) { int xx = now[i][1] + DX[d]; int yy = now[i][0] + DY[d]; if (0 <= yy && yy < y && 0 <= xx && xx < x) { if (map[yy, xx] == '.') { map[yy, xx] = '#'; next.Add(new int[2] { yy, xx }); } } } } res++; if (next.Count == 0) { break; } now = new List<int[]>(); for (int i = 0; i < next.Count; i++) { now.Add((int[])next[i].Clone()); } next = new List<int[]>(); } res--; Console.WriteLine(res); return; } // 文字列strをindex番目からdで上書き static string strOverWrite(string str, int i, string s) { return str.Remove(i, s.Length).Insert(i, s); } // String[] -----> int[] static int[] parseAry(string[] str) { int[] nums = new int[str.Length]; for (int i = 0; i < str.Length; i++) { nums[i] = int.Parse(str[i]); } return nums; } // String[] -----> long[] static long[] parseAryL(string[] str) { long[] nums = new long[str.Length]; for (int i = 0; i < str.Length; i++) { nums[i] = long.Parse(str[i]); } return nums; } //文字列を1文字ずつString[]に入れる static string[] strAry(String str) { string[] re = new string[str.Length]; for (int i = 0; i < str.Length; i++) { re[i] = str[i].ToString(); } return re; } }
[["-", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22], ["+", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22]]
8
771
4
using System; using System.Linq; class B { static void Main() { Console.ReadLine(); var h = Console.ReadLine().Split().Select(int.Parse).ToArray(); var t = h[0]; Console.WriteLine(h.Skip(1).Count(x => { var b = x >= t; t = Math.Max(t, x); return b; })); } }
using System; using System.Linq; class B { static void Main() { Console.ReadLine(); var h = Console.ReadLine().Split().Select(int.Parse).ToArray(); var t = h[0]; Console.WriteLine(1 + h.Skip(1).Count(x => { var b = x >= t; t = Math.Max(t, x); return b; })); } }
[["+", 0, 213, 3, 4, 0, 28, 0, 16, 31, 203], ["+", 0, 213, 3, 4, 0, 28, 0, 16, 17, 72]]
8
98
2
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Text.RegularExpressions; using static System.Console; namespace AtCoder_1 { class Program { static void Main(string[] args) { var n = CinT(); var ab = CinTAr(); int m = 0; int c = 0; for (int i = 0; i < n; i++) { if (m < ab[i]) { m = ab[i]; c++; } } Cout(c); Cin(); } static int GCD(int a, int b) { if (a < b) { swap(ref a, ref b); } if (a % b == 0) { return b; } else { return GCD(b, a % b); } } static void swap<T>(ref T a, ref T b) { T t = a; a = b; b = t; } static readonly int MOD1E9 = 10000007; static bool isInt(double d) { return (int)d == d; } static string Cin() { return ReadLine(); } static string[] CinAr() { return ReadLine().Split(' '); } static int CinT() { return S2i(Cin()); } static int[] CinTAr() { return CinAr().Select((x, i) => { return S2i(x); }).ToArray(); } static long CinL() { return S2L(Cin()); } static long[] CinLAr() { return CinAr().Select((x, i) => { return S2L(x); }).ToArray(); } static double CinD() { return S2D(Cin()); } static double[] CinDAr() { return CinAr().Select((x, i) => { return S2D(x); }).ToArray(); } static int S2i(string s) { return int.Parse(s); } static long S2L(string s) { return long.Parse(s); } static double S2D(string s) { return double.Parse(s); } static void Cout(object s) { WriteLine(s); } static int[] yakusuu(int n) { if (n == 1) { return new int[] { 1 }; } HashSet<int> res = new HashSet<int>(); for (int i = 1; i < Math.Ceiling(n / 2.0); i++) { if (n % i == 0) { res.Add(i); res.Add(n / i); } } return res.ToArray(); } /// <summary> /// Debug時のみの使用を推奨 /// </summary> /// <typeparam name="Type"></typeparam> /// <param name="types"></param> static void CoutAr<Type>(IEnumerable<Type> types) { string text = ""; foreach (var i in types) { text += " " + i; } WriteLine(text.Substring(1)); } public static long nCr(int n, int r) { // naive: return Factorial(n) / (Factorial(r) * Factorial(n - r)); return nPr(n, r) / Factorial(r); } public static long nPr(int n, int r) { // naive: return Factorial(n) / Factorial(n - r); return FactorialDivision(n, n - r); } private static long FactorialDivision(int topFactorial, int divisorFactorial) { long result = 1; for (int i = topFactorial; i > divisorFactorial; i--) result *= i; return result; } private static long Factorial(int i) { if (i <= 1) return 1; return i * Factorial(i - 1); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Text.RegularExpressions; using static System.Console; namespace AtCoder_1 { class Program { static void Main(string[] args) { var n = CinT(); var ab = CinTAr(); int m = 0; int c = 0; for (int i = 0; i < n; i++) { if (m <= ab[i]) { m = ab[i]; c++; } } Cout(c); Cin(); } static int GCD(int a, int b) { if (a < b) { swap(ref a, ref b); } if (a % b == 0) { return b; } else { return GCD(b, a % b); } } static void swap<T>(ref T a, ref T b) { T t = a; a = b; b = t; } static readonly int MOD1E9 = 10000007; static bool isInt(double d) { return (int)d == d; } static string Cin() { return ReadLine(); } static string[] CinAr() { return ReadLine().Split(' '); } static int CinT() { return S2i(Cin()); } static int[] CinTAr() { return CinAr().Select((x, i) => { return S2i(x); }).ToArray(); } static long CinL() { return S2L(Cin()); } static long[] CinLAr() { return CinAr().Select((x, i) => { return S2L(x); }).ToArray(); } static double CinD() { return S2D(Cin()); } static double[] CinDAr() { return CinAr().Select((x, i) => { return S2D(x); }).ToArray(); } static int S2i(string s) { return int.Parse(s); } static long S2L(string s) { return long.Parse(s); } static double S2D(string s) { return double.Parse(s); } static void Cout(object s) { WriteLine(s); } static int[] yakusuu(int n) { if (n == 1) { return new int[] { 1 }; } HashSet<int> res = new HashSet<int>(); for (int i = 1; i < Math.Ceiling(n / 2.0); i++) { if (n % i == 0) { res.Add(i); res.Add(n / i); } } return res.ToArray(); } /// <summary> /// Debug時のみの使用を推奨 /// </summary> /// <typeparam name="Type"></typeparam> /// <param name="types"></param> static void CoutAr<Type>(IEnumerable<Type> types) { string text = ""; foreach (var i in types) { text += " " + i; } WriteLine(text.Substring(1)); } public static long nCr(int n, int r) { // naive: return Factorial(n) / (Factorial(r) * Factorial(n - r)); return nPr(n, r) / Factorial(r); } public static long nPr(int n, int r) { // naive: return Factorial(n) / Factorial(n - r); return FactorialDivision(n, n - r); } private static long FactorialDivision(int topFactorial, int divisorFactorial) { long result = 1; for (int i = topFactorial; i > divisorFactorial; i--) result *= i; return result; } private static long Factorial(int i) { if (i <= 1) return 1; return i * Factorial(i - 1); } } }
[["-", 0, 7, 8, 196, 0, 57, 15, 16, 17, 18], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 19]]
8
759
2
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC124_B_Great_Ocean_View { class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); int[] height = Console.ReadLine().Split(' ').Select((s) => int.Parse(s)).ToArray(); int peak = height[0]; int count = 1; for (int i = 1; i < n; i++) { if (peak >= height[i]) { continue; } else { peak = height[i]; count++; } } Console.WriteLine(count); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC124_B_Great_Ocean_View { class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); int[] height = Console.ReadLine().Split(' ').Select((s) => int.Parse(s)).ToArray(); int peak = height[0]; int count = 1; for (int i = 1; i < n; i++) { if (peak > height[i]) { continue; } else { peak = height[i]; count++; } } Console.WriteLine(count); } } }
[["-", 0, 7, 8, 196, 0, 57, 15, 16, 17, 20], ["+", 0, 7, 8, 196, 0, 57, 15, 16, 17, 47]]
8
158
2
using System; namespace ABC124 { class Program { static int Main(string[] args) { Program.ProblemB(); return 0; } static void ProblemB() { string n = Console.ReadLine(); string[] input = Console.ReadLine().Split(' '); int max = 0; int count = 0; for (int i = 0; i < int.Parse(n); i++) { if (int.Parse(input[i]) >= max) { count += 1; } max = int.Parse(input[i]); } Console.WriteLine(count); } } }
using System; namespace ABC124 { class Program { static int Main(string[] args) { Program.ProblemB(); return 0; } static void ProblemB() { string n = Console.ReadLine(); string[] input = Console.ReadLine().Split(' '); int max = 0; int count = 0; for (int i = 0; i < int.Parse(n); i++) { if (int.Parse(input[i]) >= max) { count += 1; max = int.Parse(input[i]); } } Console.WriteLine(count); } } }
[["-", 0, 7, 8, 196, 0, 57, 64, 196, 0, 46], ["+", 0, 7, 8, 196, 0, 57, 64, 196, 0, 46]]
8
135
2
using System; using System.Text; using System.Collections.Generic; using System.Collections; using System.Linq; class Problem { static void Main() { //--------------------------------input--------------------------------// int n = Convert.ToInt32(Console.ReadLine()); var a = Array.ConvertAll(Console.ReadLine().Split(), Convert.ToInt32); //--------------------------------solve--------------------------------// int min = a[0]; int kq = 0; for (int i = 0; i < n; i++) if (a[i] >= a[0]) { kq++; min = a[i]; } Console.WriteLine(kq); } }
using System; using System.Text; using System.Collections.Generic; using System.Collections; using System.Linq; class Problem { static void Main() { //--------------------------------input--------------------------------// int n = Convert.ToInt32(Console.ReadLine()); var a = Array.ConvertAll(Console.ReadLine().Split(), Convert.ToInt32); //--------------------------------solve--------------------------------// int min = a[0]; int kq = 0; for (int i = 0; i < n; i++) if (a[i] >= min) { kq++; min = a[i]; } Console.WriteLine(kq); } }
[["-", 0, 7, 8, 57, 15, 16, 12, 204, 205, 22], ["-", 8, 57, 15, 16, 12, 204, 206, 207, 0, 70], ["-", 15, 16, 12, 204, 206, 207, 0, 28, 0, 203], ["-", 8, 57, 15, 16, 12, 204, 206, 207, 0, 73], ["+", 8, 196, 0, 7, 8, 57, 15, 16, 12, 22]]
8
132
5
using System; namespace Test { class Program { static void Main(string[] args) { var res = 0; var N = int.Parse(Console.ReadLine()); var H = new int[N]; var H_s = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { H[i] = int.Parse(H_s[i]); } for (int i = 0; i < N; i++) { bool abelSee = true; for (int j = 0; j < i; j++) { if (H[j] > H[j]) { abelSee = false; } } if (abelSee) { res++; } } Console.WriteLine(res); } } }
using System; namespace Test { class Program { static void Main(string[] args) { var res = 0; var N = int.Parse(Console.ReadLine()); var H = new int[N]; var H_s = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { H[i] = int.Parse(H_s[i]); } for (int i = 0; i < N; i++) { bool abelSee = true; for (int j = 0; j < i; j++) { if (H[j] > H[i]) { abelSee = false; } } if (abelSee) { res++; } } Console.WriteLine(res); } } }
[["-", 15, 16, 12, 204, 206, 207, 0, 28, 0, 22], ["+", 15, 16, 12, 204, 206, 207, 0, 28, 0, 22]]
8
168
2
using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; using static System.Math; class Program { public static void Main(string[] args) { Console.ReadLine(); var v = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); var count = 1; var hOld = v[0]; foreach (var h in v.Skip(1)) { if (h >= hOld) { count++; } } Console.WriteLine(count); } }
using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; using static System.Math; class Program { public static void Main(string[] args) { Console.ReadLine(); var v = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); var count = 1; var hMax = v[0]; foreach (var h in v.Skip(1)) { if (h >= hMax) { hMax = h; count++; } } Console.WriteLine(count); } }
[["-", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22], ["+", 8, 196, 0, 197, 0, 198, 0, 200, 141, 22], ["-", 0, 210, 8, 196, 0, 57, 15, 16, 12, 22], ["+", 0, 210, 8, 196, 0, 57, 15, 16, 12, 22], ["+", 0, 57, 64, 196, 0, 1, 0, 11, 31, 22], ["+", 64, 196, 0, 1, 0, 11, 0, 202, 0, 32], ["+", 0, 57, 64, 196, 0, 1, 0, 11, 12, 22], ["+", 8, 196, 0, 57, 64, 196, 0, 1, 0, 35]]
8
127
8
using System; using static System.Console; public class A { static void Main() { var s = Array.ConvertAll(ReadLine().Split(), int.Parse); var ans = 0; for (int i = 0; i < s.Length; i++) { for (int j = 0; j <= i; j++) { if (i == j) { ans++; break; } if (s[i] < s[j]) break; } } WriteLine(ans); } }
using System; using static System.Console; public class B { static void Main() { ReadLine(); var s = Array.ConvertAll(ReadLine().Split(), int.Parse); var ans = 0; for (int i = 0; i < s.Length; i++) { for (int j = 0; j <= i; j++) { if (i == j) { ans++; break; } if (s[i] < s[j]) break; } } WriteLine(ans); } }
[["-", 36, 36, 36, 36, 0, 208, 0, 235, 141, 22], ["+", 36, 36, 36, 36, 0, 208, 0, 235, 141, 22], ["+", 0, 195, 8, 196, 0, 1, 0, 213, 63, 22], ["+", 8, 196, 0, 1, 0, 213, 3, 4, 0, 24], ["+", 8, 196, 0, 1, 0, 213, 3, 4, 0, 25], ["+", 8, 201, 0, 195, 8, 196, 0, 1, 0, 35]]
8
112
6
using System; using System.IO; using System.Linq; class Program { static void Solve() { var N = ReadInt(); var H = ReadInts(); var max = H[0]; var ans = 0; for (var i = 0; i < N - 1; i++) { if (H[i] >= max) { ans++; max = H[i]; } } Console.WriteLine(ans); } static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Solve(); Console.Out.Flush(); } public static string Read() { return Console.ReadLine(); } public static int ReadInt() { return int.Parse(Read()); } public static long ReadLong() { return long.Parse(Read()); } public static double ReadDouble() { return double.Parse(Read()); } public static string[] Reads() { return Console.ReadLine().Split(' '); } public static int[] ReadInts() { return Reads().Select(_ => int.Parse(_)).ToArray(); } public static long[] ReadLongs() { return Reads().Select(_ => long.Parse(_)).ToArray(); } public static double[] ReadDoubles() { return Reads().Select(_ => double.Parse(_)).ToArray(); } }
using System; using System.IO; using System.Linq; class Program { static void Solve() { var N = ReadInt(); var H = ReadInts(); var max = H[0]; var ans = 0; for (var i = 0; i < N; i++) { if (H[i] >= max) { ans++; max = H[i]; } } Console.WriteLine(ans); } static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Solve(); Console.Out.Flush(); } public static string Read() { return Console.ReadLine(); } public static int ReadInt() { return int.Parse(Read()); } public static long ReadLong() { return long.Parse(Read()); } public static double ReadDouble() { return double.Parse(Read()); } public static string[] Reads() { return Console.ReadLine().Split(' '); } public static int[] ReadInts() { return Reads().Select(_ => int.Parse(_)).ToArray(); } public static long[] ReadLongs() { return Reads().Select(_ => long.Parse(_)).ToArray(); } public static double[] ReadDoubles() { return Reads().Select(_ => double.Parse(_)).ToArray(); } }
[["-", 8, 196, 0, 7, 15, 16, 12, 16, 17, 33], ["-", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203]]
8
331
2
using System; using System.Collections.Generic; using System.Linq; class Program { static string InputPattern = "Input1"; static List<string> GetInputList() { var WillReturn = new List<string>(); if (InputPattern == "Input1") { WillReturn.Add("4"); WillReturn.Add("6 5 6 8"); // 3 } else if (InputPattern == "Input2") { WillReturn.Add("5"); WillReturn.Add("4 5 3 5 4"); // 3 } else if (InputPattern == "Input3") { WillReturn.Add("5"); WillReturn.Add("9 5 6 8 4"); // 1 } else { string wkStr; while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr); } return WillReturn; } static void Main() { List<string> InputList = GetInputList(); int[] HArr = InputList[1].Split(' ').Select(X => int.Parse(X)).ToArray(); int CurrMax = int.MinValue; int Answer = 0; foreach (int EachInt in HArr) { if (CurrMax <= EachInt) { Answer++; CurrMax = EachInt; } } Console.WriteLine(Answer); } }
using System; using System.Collections.Generic; using System.Linq; class Program { static string InputPattern = "InputX"; static List<string> GetInputList() { var WillReturn = new List<string>(); if (InputPattern == "Input1") { WillReturn.Add("4"); WillReturn.Add("6 5 6 8"); // 3 } else if (InputPattern == "Input2") { WillReturn.Add("5"); WillReturn.Add("4 5 3 5 4"); // 3 } else if (InputPattern == "Input3") { WillReturn.Add("5"); WillReturn.Add("9 5 6 8 4"); // 1 } else { string wkStr; while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr); } return WillReturn; } static void Main() { List<string> InputList = GetInputList(); int[] HArr = InputList[1].Split(' ').Select(X => int.Parse(X)).ToArray(); int CurrMax = int.MinValue; int Answer = 0; foreach (int EachInt in HArr) { if (CurrMax <= EachInt) { Answer++; CurrMax = EachInt; } } Console.WriteLine(Answer); } }
[["-", 0, 198, 0, 200, 0, 212, 0, 5, 0, 222], ["+", 0, 198, 0, 200, 0, 212, 0, 5, 0, 222]]
8
260
2
using System; using System.Numerics; using System.Linq; using System.Collections.Generic; using System.Text; using System.Collections; namespace debug { class main { static void Main(string[] args) { //問題クラスを展開 ProgramC a = new ProgramC(); a.main(); //実行する } } class ProgramA { public void main() { //入力 string[] s = Console.ReadLine().Split(' '); int a = int.Parse(s[0]); int b = int.Parse(s[1]); //おおきい方を2倍して1引く。ただし、同じときはa+b if (a > b) Console.WriteLine(2 * a - 1); else if (a < b) Console.WriteLine(2 * b - 1); else Console.WriteLine(a + b); } } class ProgramB { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] h = Console.ReadLine().Split(' '); int count = 0; //ダメな旅館数を数える for (int i = 1; i < n; i++) for (int j = 0; j < i; j++) { if (int.Parse(h[i]) < int.Parse(h[j])) { count++; break; } } //答え出力 Console.WriteLine(n - count); } } class ProgramC { public void main() { //入力 string s = Console.ReadLine(); //候補は101010....か0101010しかないので両方実験してみる int count1 = 0; int count2 = 0; // 10101010 for (int i = 1; i < s.Length; i++) { if (i % 2 == 0) if (s[i] == '0') count1++; if (i % 2 == 1) if (s[i] == '1') count1++; } // 010101010 for (int i = 1; i < s.Length; i++) { if (i % 2 == 0) if (s[i] == '1') count2++; if (i % 2 == 1) if (s[i] == '0') count2++; } //答えを出力 Console.WriteLine(Math.Min(count1, count2)); } } class ProgramD { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] a = Console.ReadLine().Split(' '); long[] dp_u = new long[n]; long[] dp_d = new long[n]; dp_u[1] = -(long.Parse(a[0]) + long.Parse(a[1])); dp_d[1] = long.Parse(a[0]) + long.Parse(a[1]); for (int i = 2; i < n; i++) { dp_u[i] = Math.Max(dp_u[i - 1] - long.Parse(a[i]) + 2 * long.Parse(a[i - 1]), dp_d[i - 1] - long.Parse(a[i]) - 2 * long.Parse(a[i - 1])); dp_d[i] = Math.Max(dp_u[i - 1] + long.Parse(a[i]), dp_d[i - 1] + long.Parse(a[i])); } //答を出す Console.WriteLine(Math.Max(dp_u[n - 1], dp_d[n - 1])); } } class ProgramD2 { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] a = Console.ReadLine().Split(' '); long count = 0; int flag = 0; long min = 10000000000; long sum = 0; //いれて0があるか、負の数は何個か、絶対値の最小は何か求めておく for (int i = 0; i < n; i++) { long temp = long.Parse(a[i]); if (temp == 0) flag = 1; if (temp < 0) count++; sum += Math.Abs(temp); min = Math.Min(Math.Abs(temp), min); } //答を出す if (flag == 1 || count % 2 == 0) Console.WriteLine(sum); else Console.WriteLine(sum - 2 * min); } } }
using System; using System.Numerics; using System.Linq; using System.Collections.Generic; using System.Text; using System.Collections; namespace debug { class main { static void Main(string[] args) { //問題クラスを展開 ProgramC a = new ProgramC(); a.main(); //実行する } } class ProgramA { public void main() { //入力 string[] s = Console.ReadLine().Split(' '); int a = int.Parse(s[0]); int b = int.Parse(s[1]); //おおきい方を2倍して1引く。ただし、同じときはa+b if (a > b) Console.WriteLine(2 * a - 1); else if (a < b) Console.WriteLine(2 * b - 1); else Console.WriteLine(a + b); } } class ProgramB { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] h = Console.ReadLine().Split(' '); int count = 0; //ダメな旅館数を数える for (int i = 1; i < n; i++) for (int j = 0; j < i; j++) { if (int.Parse(h[i]) < int.Parse(h[j])) { count++; break; } } //答え出力 Console.WriteLine(n - count); } } class ProgramC { public void main() { //入力 string s = Console.ReadLine(); //候補は101010....か0101010しかないので両方実験してみる int count1 = 0; int count2 = 0; // 10101010 for (int i = 0; i < s.Length; i++) { if (i % 2 == 0) if (s[i] == '0') count1++; if (i % 2 == 1) if (s[i] == '1') count1++; } // 010101010 for (int i = 0; i < s.Length; i++) { if (i % 2 == 0) if (s[i] == '1') count2++; if (i % 2 == 1) if (s[i] == '0') count2++; } //答えを出力 Console.WriteLine(Math.Min(count1, count2)); } } class ProgramD { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] a = Console.ReadLine().Split(' '); long[] dp_u = new long[n]; long[] dp_d = new long[n]; dp_u[1] = -(long.Parse(a[0]) + long.Parse(a[1])); dp_d[1] = long.Parse(a[0]) + long.Parse(a[1]); for (int i = 2; i < n; i++) { dp_u[i] = Math.Max(dp_u[i - 1] - long.Parse(a[i]) + 2 * long.Parse(a[i - 1]), dp_d[i - 1] - long.Parse(a[i]) - 2 * long.Parse(a[i - 1])); dp_d[i] = Math.Max(dp_u[i - 1] + long.Parse(a[i]), dp_d[i - 1] + long.Parse(a[i])); } //答を出す Console.WriteLine(Math.Max(dp_u[n - 1], dp_d[n - 1])); } } class ProgramD2 { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] a = Console.ReadLine().Split(' '); long count = 0; int flag = 0; long min = 10000000000; long sum = 0; //いれて0があるか、負の数は何個か、絶対値の最小は何か求めておく for (int i = 0; i < n; i++) { long temp = long.Parse(a[i]); if (temp == 0) flag = 1; if (temp < 0) count++; sum += Math.Abs(temp); min = Math.Min(Math.Abs(temp), min); } //答を出す if (flag == 1 || count % 2 == 0) Console.WriteLine(sum); else Console.WriteLine(sum - 2 * min); } } }
[["-", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203], ["+", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203]]
8
905
4
using System; namespace abc { class C { static void Main() { char[] s = Console.ReadLine().ToCharArray(); int tans = 0; int ans = 0; bool tobe0 = true; for (int i = 0; i < s.Length; i++) { if (tobe0) { if (s[i] == '1') tans++; tobe0 = false; } else { if (s[i] == '0') tans++; tobe0 = true; } } ans = tans; tobe0 = false; for (int i = 0; i < s.Length; i++) { if (tobe0) { if (s[i] == '1') tans++; tobe0 = false; } else { if (s[i] == '0') tans++; tobe0 = true; } } if (ans > tans) Console.WriteLine(tans); else { Console.WriteLine(ans); } } } }
using System; namespace abc { class C { static void Main() { char[] s = Console.ReadLine().ToCharArray(); int tans = 0; int ans = 0; bool tobe0 = true; for (int i = 0; i < s.Length; i++) { if (tobe0) { if (s[i] == '1') tans++; tobe0 = false; } else { if (s[i] == '0') tans++; tobe0 = true; } } ans = tans; tans = 0; tobe0 = false; for (int i = 0; i < s.Length; i++) { if (tobe0) { if (s[i] == '1') tans++; tobe0 = false; } else { if (s[i] == '0') tans++; tobe0 = true; } } if (ans > tans) Console.WriteLine(tans); else { Console.WriteLine(ans); } } } }
[["+", 0, 195, 8, 196, 0, 1, 0, 11, 31, 22], ["+", 8, 196, 0, 1, 0, 11, 0, 202, 0, 32], ["+", 0, 195, 8, 196, 0, 1, 0, 11, 12, 203], ["+", 8, 201, 0, 195, 8, 196, 0, 1, 0, 35]]
8
205
4
using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; namespace ABC124.C { using static Util; public class Solver : SolverBase { public void Run() { var S = ReadLine(); // 奇数枚目と偶数枚目の 0 の数を数える int o0 = 0; int e0 = 0; for (int i = 0; i < S.Length; i++) { if (S[i] != '0') continue; if (i % 2 == 0) ++e0; else ++o0; } int oTotal = S.Length / 2; int eTotal = S.Length - oTotal; // e0 o1 にする場合 var ans01 = eTotal - e0 + o0; // e1 o0 にする場合 var ans10 = o0 + oTotal - o0; var ans = Math.Min(ans01, ans10); WriteLine(ans); } #if !MYHOME public static void Main(string[] args) { new Solver().Run(); } #endif } public static class Util { /// <summary> /// 最大公約数 ※ユークリッドの互除法 /// ※a,bどちらかが0の場合は0じゃない方を、両方0の場合は0を返す。 /// </summary> public static int Gcd(int a, int b) { if (a < b) // 引数を入替えて自分を呼び出す return Gcd(b, a); while (b != 0) { var remainder = a % b; a = b; b = remainder; } return a; } public static int Gcd(params int[] nums) { if (nums == null || nums.Length < 1) throw new ArgumentException(nameof(nums)); if (nums.Length == 1) return nums[0]; var g = Gcd(nums[0], nums[1]); for (int i = 2; i < nums.Length; i++) { g = Gcd(g, nums[i]); } return g; } public readonly static long MOD = 1000000007; public static string DumpToString<T>(IEnumerable<T> array) where T : IFormattable { var sb = new StringBuilder(); foreach (var item in array) { sb.Append(item); sb.Append(", "); } return sb.ToString(); } public static string DumpToString<TKey, TValue>(IEnumerable<KeyValuePair<TKey, TValue>> dic) { var sb = new StringBuilder(); foreach (var kv in dic) { sb.Append($"({kv.Key}, {kv.Value})"); sb.Append(", "); } return sb.ToString(); } public static void InitArray<T>(T[] ary, T value) { for (int i = 0; i < ary.Length; i++) { ary[i] = value; } } public static void InitDP2<T>(T[,] dp, T value) { for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { dp[i, j] = value; } } } public static void InitDP3<T>(T[,,] dp, T value) { for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { for (int k = 0; k < dp.GetLength(2); k++) { dp[i, j, k] = value; } } } } public static T Max<T>(params T[] nums) where T : IComparable { if (nums.Length == 0) return default(T); T max = nums[0]; for (int i = 1; i < nums.Length; i++) { max = max.CompareTo(nums[i]) > 0 ? max : nums[i]; } return max; } public static T Min<T>(params T[] nums) where T : IComparable { if (nums.Length == 0) return default(T); T min = nums[0]; for (int i = 1; i < nums.Length; i++) { min = min.CompareTo(nums[i]) < 0 ? min : nums[i]; } return min; } /// <summary> /// ソート済み配列 ary に同じ値の要素が含まれている? /// ※ソート順は昇順/降順どちらでもよい /// </summary> public static bool HasDuplicateInSortedArray<T>(T[] ary) where T : IComparable, IComparable<T> { if (ary.Length <= 1) return false; var lastNum = ary[ary.Length - 1]; foreach (var n in ary) { if (lastNum.CompareTo(n) == 0) { return true; } else { lastNum = n; } } return false; } /// <summary> /// 二分探索 /// ※条件を満たす最小のidxを返す /// ※満たすものがない場合は ary.Length を返す /// ※『aryの先頭側が条件を満たさない、末尾側が条件を満たす』という前提 /// ただし、IsOK(...)の戻り値を逆転させれば、逆でも同じことが可能。 /// </summary> /// <param name="ary">探索対象配列 ★ソート済みであること</param> /// <param name="key">探索値 ※これ以上の値を持つ(IsOKがtrueを返す)最小のindexを返す</param> public static int BinarySearch<T>(T[] ary, T key) where T : IComparable, IComparable<T> { int left = -1; int right = ary.Length; while (1 < right - left) { var mid = left + (right - left) / 2; if (IsOK(ary, mid, key)) { right = mid; } else { left = mid; } } // left は条件を満たさない最大の値、right は条件を満たす最小の値になっている return right; } public static bool IsOK<T>(T[] ary, int idx, T key) where T : IComparable, IComparable<T> { // key <= ary[idx] と同じ意味 return key.CompareTo(ary[idx]) <= 0; } } public class SolverBase { virtual protected string ReadLine() => Console.ReadLine(); virtual protected int ReadInt() => int.Parse(ReadLine()); //virtual protected void ReadInt2(out int x, out int y) { // var aryS = ReadLine().Split(' '); // x = int.Parse(aryS[0]); // y = int.Parse(aryS[1]); //} virtual protected long ReadLong() => long.Parse(ReadLine()); virtual protected string[] ReadStringArray() => ReadLine().Split(' '); virtual protected int[] ReadIntArray() => ReadLine().Split(' ').Select<string, int>(s => int.Parse(s)).ToArray(); virtual protected long[] ReadLongArray() => ReadLine().Split(' ').Select<string, long>(s => long.Parse(s)).ToArray(); virtual protected double[] ReadDoubleArray() => ReadLine().Split(' ').Select<string, double>(s => double.Parse(s)).ToArray(); virtual protected void WriteLine(string line) => Console.WriteLine(line); virtual protected void WriteLine(double d) => Console.WriteLine($"{d:F9}"); virtual protected void WriteLine<T>(T value) where T : IFormattable => Console.WriteLine(value); [Conditional("DEBUG")] protected void Dump(string s) => Console.WriteLine(s); [Conditional("DEBUG")] protected void Dump(char c) => Console.WriteLine(c); [Conditional("DEBUG")] protected void Dump(double d) => Console.WriteLine($"{d:F9}"); [Conditional("DEBUG")] protected void Dump<T>(IEnumerable<T> array) where T : IFormattable { string s = Util.DumpToString(array); // Consoleに出力すると、UnitTestの邪魔をしないというメリットあり。 Console.WriteLine(s); //_writer.WriteLine(s); } [Conditional("DEBUG")] protected void Dump<TKey, TValue>(IEnumerable<KeyValuePair<TKey, TValue>> dic) { string s = Util.DumpToString(dic); Console.WriteLine(s); } [Conditional("DEBUG")] protected void DumpGrid<T>(IEnumerable<IEnumerable<T>> arrayOfArray) where T : IFormattable { var sb = new StringBuilder(); foreach (var a in arrayOfArray) { sb.AppendLine(Util.DumpToString(a)); } // Consoleに出力すると、UnitTestの邪魔をしないというメリットあり。 Console.WriteLine(sb.ToString()); //_writer.WriteLine(sb.ToString()); } [Conditional("DEBUG")] protected void DumpDP<T>(T[,] dp) where T : IFormattable { var sb = new StringBuilder(); for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { sb.Append(dp[i, j]); sb.Append(", "); } sb.AppendLine(); } Console.WriteLine(sb.ToString()); } } }
using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; namespace ABC124.C { using static Util; public class Solver : SolverBase { public void Run() { var S = ReadLine(); // 奇数枚目と偶数枚目の 0 の数を数える int o0 = 0; int e0 = 0; for (int i = 0; i < S.Length; i++) { if (S[i] != '0') continue; if (i % 2 == 0) ++e0; else ++o0; } int oTotal = S.Length / 2; int eTotal = S.Length - oTotal; // e0 o1 にする場合 var ans01 = eTotal - e0 + o0; // e1 o0 にする場合 var ans10 = e0 + oTotal - o0; var ans = Math.Min(ans01, ans10); WriteLine(ans); } #if !MYHOME public static void Main(string[] args) { new Solver().Run(); } #endif } public static class Util { /// <summary> /// 最大公約数 ※ユークリッドの互除法 /// ※a,bどちらかが0の場合は0じゃない方を、両方0の場合は0を返す。 /// </summary> public static int Gcd(int a, int b) { if (a < b) // 引数を入替えて自分を呼び出す return Gcd(b, a); while (b != 0) { var remainder = a % b; a = b; b = remainder; } return a; } public static int Gcd(params int[] nums) { if (nums == null || nums.Length < 1) throw new ArgumentException(nameof(nums)); if (nums.Length == 1) return nums[0]; var g = Gcd(nums[0], nums[1]); for (int i = 2; i < nums.Length; i++) { g = Gcd(g, nums[i]); } return g; } public readonly static long MOD = 1000000007; public static string DumpToString<T>(IEnumerable<T> array) where T : IFormattable { var sb = new StringBuilder(); foreach (var item in array) { sb.Append(item); sb.Append(", "); } return sb.ToString(); } public static string DumpToString<TKey, TValue>(IEnumerable<KeyValuePair<TKey, TValue>> dic) { var sb = new StringBuilder(); foreach (var kv in dic) { sb.Append($"({kv.Key}, {kv.Value})"); sb.Append(", "); } return sb.ToString(); } public static void InitArray<T>(T[] ary, T value) { for (int i = 0; i < ary.Length; i++) { ary[i] = value; } } public static void InitDP2<T>(T[,] dp, T value) { for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { dp[i, j] = value; } } } public static void InitDP3<T>(T[,,] dp, T value) { for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { for (int k = 0; k < dp.GetLength(2); k++) { dp[i, j, k] = value; } } } } public static T Max<T>(params T[] nums) where T : IComparable { if (nums.Length == 0) return default(T); T max = nums[0]; for (int i = 1; i < nums.Length; i++) { max = max.CompareTo(nums[i]) > 0 ? max : nums[i]; } return max; } public static T Min<T>(params T[] nums) where T : IComparable { if (nums.Length == 0) return default(T); T min = nums[0]; for (int i = 1; i < nums.Length; i++) { min = min.CompareTo(nums[i]) < 0 ? min : nums[i]; } return min; } /// <summary> /// ソート済み配列 ary に同じ値の要素が含まれている? /// ※ソート順は昇順/降順どちらでもよい /// </summary> public static bool HasDuplicateInSortedArray<T>(T[] ary) where T : IComparable, IComparable<T> { if (ary.Length <= 1) return false; var lastNum = ary[ary.Length - 1]; foreach (var n in ary) { if (lastNum.CompareTo(n) == 0) { return true; } else { lastNum = n; } } return false; } /// <summary> /// 二分探索 /// ※条件を満たす最小のidxを返す /// ※満たすものがない場合は ary.Length を返す /// ※『aryの先頭側が条件を満たさない、末尾側が条件を満たす』という前提 /// ただし、IsOK(...)の戻り値を逆転させれば、逆でも同じことが可能。 /// </summary> /// <param name="ary">探索対象配列 ★ソート済みであること</param> /// <param name="key">探索値 ※これ以上の値を持つ(IsOKがtrueを返す)最小のindexを返す</param> public static int BinarySearch<T>(T[] ary, T key) where T : IComparable, IComparable<T> { int left = -1; int right = ary.Length; while (1 < right - left) { var mid = left + (right - left) / 2; if (IsOK(ary, mid, key)) { right = mid; } else { left = mid; } } // left は条件を満たさない最大の値、right は条件を満たす最小の値になっている return right; } public static bool IsOK<T>(T[] ary, int idx, T key) where T : IComparable, IComparable<T> { // key <= ary[idx] と同じ意味 return key.CompareTo(ary[idx]) <= 0; } } public class SolverBase { virtual protected string ReadLine() => Console.ReadLine(); virtual protected int ReadInt() => int.Parse(ReadLine()); //virtual protected void ReadInt2(out int x, out int y) { // var aryS = ReadLine().Split(' '); // x = int.Parse(aryS[0]); // y = int.Parse(aryS[1]); //} virtual protected long ReadLong() => long.Parse(ReadLine()); virtual protected string[] ReadStringArray() => ReadLine().Split(' '); virtual protected int[] ReadIntArray() => ReadLine().Split(' ').Select<string, int>(s => int.Parse(s)).ToArray(); virtual protected long[] ReadLongArray() => ReadLine().Split(' ').Select<string, long>(s => long.Parse(s)).ToArray(); virtual protected double[] ReadDoubleArray() => ReadLine().Split(' ').Select<string, double>(s => double.Parse(s)).ToArray(); virtual protected void WriteLine(string line) => Console.WriteLine(line); virtual protected void WriteLine(double d) => Console.WriteLine($"{d:F9}"); virtual protected void WriteLine<T>(T value) where T : IFormattable => Console.WriteLine(value); [Conditional("DEBUG")] protected void Dump(string s) => Console.WriteLine(s); [Conditional("DEBUG")] protected void Dump(char c) => Console.WriteLine(c); [Conditional("DEBUG")] protected void Dump(double d) => Console.WriteLine($"{d:F9}"); [Conditional("DEBUG")] protected void Dump<T>(IEnumerable<T> array) where T : IFormattable { string s = Util.DumpToString(array); // Consoleに出力すると、UnitTestの邪魔をしないというメリットあり。 Console.WriteLine(s); //_writer.WriteLine(s); } [Conditional("DEBUG")] protected void Dump<TKey, TValue>(IEnumerable<KeyValuePair<TKey, TValue>> dic) { string s = Util.DumpToString(dic); Console.WriteLine(s); } [Conditional("DEBUG")] protected void DumpGrid<T>(IEnumerable<IEnumerable<T>> arrayOfArray) where T : IFormattable { var sb = new StringBuilder(); foreach (var a in arrayOfArray) { sb.AppendLine(Util.DumpToString(a)); } // Consoleに出力すると、UnitTestの邪魔をしないというメリットあり。 Console.WriteLine(sb.ToString()); //_writer.WriteLine(sb.ToString()); } [Conditional("DEBUG")] protected void DumpDP<T>(T[,] dp) where T : IFormattable { var sb = new StringBuilder(); for (int i = 0; i < dp.GetLength(0); i++) { for (int j = 0; j < dp.GetLength(1); j++) { sb.Append(dp[i, j]); sb.Append(", "); } sb.AppendLine(); } Console.WriteLine(sb.ToString()); } } }
[["-", 0, 200, 0, 212, 0, 16, 31, 16, 31, 22], ["+", 0, 200, 0, 212, 0, 16, 31, 16, 31, 22]]
8
1,721
2
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Collections; using System.Linq.Expressions; using Pair = System.Tuple<long, long>; using Graph = System.Collections.Generic.List<System.Collections.Generic.List<long>>; using static _20200214.Cin; using static _20200214.Util; namespace _20200214 { public class Program { public static void Main(string[] args) { // ABC006_B(); 12min // ABC075_C(); 20min // ABC028_D(); 25min // ABC124_D(); 30min } /// <summary> /// D - Handstand /// </summary> public static void ABC124_D() { long N = rl; long K = rl; string S = rs; List<long> a = new List<long>(); if (S[0] == '0') a.Add(0); for (int i = 0; i < N;) { int j = i; while (j < N && S[j] == S[i]) j++; a.Add(j - i); i = j; } if (S[S.Length - 1] == '0') a.Add(0); var len = a.Count; var acc = Accumulate(a.ToArray()); long ans = 0; if (2 * K + 1 > len) ans = acc[len]; for (int i = 0; i + 2 * K + 1 <= len; i += 2) { ChMax(ref ans, acc[i + 2 * K + 1] - acc[i]); } Console.WriteLine(ans); } /// <summary> /// D - 乱数生成 /// </summary> public static void ABC028_D() { long N = rl; long K = rl; double ans = 0; // K が 3個 ans += 1; // K が 2個 ans += (N - 1) * 3; // K が 1個 ans += (K - 1) * (N - K) * 3 * 2; ans /= N; ans /= N; ans /= N; Console.WriteLine(ans); } /// <summary> /// C - Bridge /// </summary> public static void ABC075_C() { long N = rl; long M = rl; Pair[] edges = new Pair[M]; for (int i = 0; i < M; i++) { edges[i] = new Pair(rl - 1, rl - 1); } List<long>[] edgeIndexes = new List<long>[N]; for (int i = 0; i < N; i++) { edgeIndexes[i] = new List<long>(); } for (int i = 0; i < M; i++) { edgeIndexes[edges[i].Item1].Add(i); edgeIndexes[edges[i].Item2].Add(i); } long cnt = 0; for (int i = 0; i < M; i++) { bool[] vis = new bool[N]; Queue<long> q = new Queue<long>(); q.Enqueue(0); while (q.Any()) { long v = q.Dequeue(); vis[v] = true; foreach (var idx in edgeIndexes[v]) { if (idx == i) continue; long v2 = edges[idx].Item1 + edges[idx].Item2 - v; if (vis[v]) continue; q.Enqueue(v2); } } if (vis.Any(v => !v)) cnt++; } Console.WriteLine(cnt); } /// <summary> /// B - トリボナッチ数列 /// </summary> public static void ABC006_B() { long N = rl; long[] table = new long[3]; table[0] = 0; table[1] = 0; table[2] = 1; for (int i = 3; i < N; i++) { table[i % 3] = (table[0] + table[1] + table[2]) % 10007; } Console.WriteLine(table[(N - 1) % 3]); } } public class HashMap<K, V> : Dictionary<K, V> { V i; static Func<V> j = Expression.Lambda<Func<V>>(Expression.New(typeof(V))).Compile(); public HashMap() {} public HashMap(V a) { i = a; } new public V this[K a] { get { V b; if (TryGetValue(a, out b)) return b; else return base[a] = i != null ? i : j(); } set { base[a] = value; } } } public static class Util { public static readonly long INF = (long)1e17; public readonly static long MOD = (long)1e9 + 7; public static void DontAutoFlush() { var a = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(a); } public static void Flush() { Console.Out.Flush(); } public static T[] Sort<T>(T[] a) { Array.Sort<T>(a); return a; } public static T[] SortDecend<T>(T[] a) { Array.Sort<T>(a); Array.Reverse(a); return a; } public static void Swap<T>(ref T a, ref T b) { T c = a; a = b; b = c; } public static int GCD(int a, int b) { return (b == 0) ? a : GCD(b, a % b); } public static void ChMax(ref long a, long b) { if (a < b) a = b; } public static void ChMin(ref long a, long b) { if (a > b) a = b; } public static long ModAdd(long a, long b) { long c = a + b; if (c >= MOD) return c % MOD; return c; } public static long ModMul(long a, long b) { long c = a * b; if (c >= MOD) return c % MOD; return c; } public static void ChModAdd(ref long a, long b) { a += b; if (a >= MOD) a %= MOD; } public static void ChModMul(ref long a, long b) { a *= b; if (a >= MOD) a %= MOD; } public static void FillArray<T>(T[] a, T b) { int c = a.Length; for (int d = 0; d < c; d++) a[d] = b; } public static void FillArray<T>(T[,] a, T b) { int c = a.GetLength(0); int d = a.GetLength(1); for (int e = 0; e < c; e++) for (int f = 0; f < d; f++) { a[e, f] = b; } } public static void FillArray<T>(T[,,] a, T b) { int c = a.GetLength(0); int d = a.GetLength(1); int e = a.GetLength(2); for (int f = 0; f < c; f++) for (int g = 0; g < d; g++) { for (int h = 0; h < e; h++) { a[f, g, h] = b; } } } public static long[] Accumulate(long[] a) { long[] b = new long[a.Length + 1]; for (int c = 0; c < a.Length; c++) b[c + 1] = b[c] + a[c]; return b; } public static double[] Accumulate(double[] a) { double[] b = new double[a.Length + 1]; for (int c = 0; c < a.Length; c++) b[c + 1] = b[c] + a[c]; return b; } } public static class Cin { public static long rl { get { return ReadLong(); } } public static long[] rla { get { return ReadLongArray(); } } public static double rd { get { return ReadDouble(); } } public static double[] rda { get { return ReadDoubleArray(); } } public static string rs { get { return ReadString(); } } public static int ReadInt() { return int.Parse(k()); } public static long ReadLong() { return long.Parse(k()); } public static double ReadDouble() { return double.Parse(k()); } public static string ReadString() { return k(); } public static int[] ReadIntArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); } public static long[] ReadLongArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), long.Parse); } public static double[] ReadDoubleArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), double.Parse); } public static void ReadCols(out long[] a, out long[] b, long c) { a = new long[c]; b = new long[c]; for (int d = 0; d < c; d++) { a[d] = ReadLong(); b[d] = ReadLong(); } } public static void ReadCols(out long[] a, out long[] b, out long[] c, long d) { a = new long[d]; b = new long[d]; c = new long[d]; for (int e = 0; e < d; e++) { a[e] = ReadLong(); b[e] = ReadLong(); c[e] = ReadLong(); } } public static int[][] ReadIntTable(int a) { i = null; int[][] b = new int [a][]; for (int c = 0; c < a; c++) b[c] = ReadIntArray(); return b; } public static long[][] ReadLongTable(long a) { i = null; long[][] b = new long [a][]; for (long c = 0; c < a; c++) b[c] = ReadLongArray(); return b; } static string[] i { get; set; } static int j { get; set; } static string k() { if (i == null || i.Length <= j) { i = Console.ReadLine().Split(' '); j = 0; } return i[j++]; } } }
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Collections; using System.Linq.Expressions; using Pair = System.Tuple<long, long>; using Graph = System.Collections.Generic.List<System.Collections.Generic.List<long>>; using static _20200214.Cin; using static _20200214.Util; namespace _20200214 { public class Program { public static void Main(string[] args) { // ABC006_B(); 12min // ABC075_C(); 20min // ABC028_D(); 25min ABC124_D(); } /// <summary> /// D - Handstand /// </summary> public static void ABC124_D() { long N = rl; long K = rl; string S = rs; List<long> a = new List<long>(); if (S[0] == '0') a.Add(0); for (int i = 0; i < N;) { int j = i; while (j < N && S[j] == S[i]) j++; a.Add(j - i); i = j; } if (S[S.Length - 1] == '0') a.Add(0); var len = a.Count; var acc = Accumulate(a.ToArray()); long ans = 0; if (2 * K + 1 > len) ans = acc[len]; for (int i = 0; i + 2 * K + 1 <= len; i += 2) { ChMax(ref ans, acc[i + 2 * K + 1] - acc[i]); } Console.WriteLine(ans); } /// <summary> /// D - 乱数生成 /// </summary> public static void ABC028_D() { long N = rl; long K = rl; double ans = 0; // K が 3個 ans += 1; // K が 2個 ans += (N - 1) * 3; // K が 1個 ans += (K - 1) * (N - K) * 3 * 2; ans /= N; ans /= N; ans /= N; Console.WriteLine(ans); } /// <summary> /// C - Bridge /// </summary> public static void ABC075_C() { long N = rl; long M = rl; Pair[] edges = new Pair[M]; for (int i = 0; i < M; i++) { edges[i] = new Pair(rl - 1, rl - 1); } List<long>[] edgeIndexes = new List<long>[N]; for (int i = 0; i < N; i++) { edgeIndexes[i] = new List<long>(); } for (int i = 0; i < M; i++) { edgeIndexes[edges[i].Item1].Add(i); edgeIndexes[edges[i].Item2].Add(i); } long cnt = 0; for (int i = 0; i < M; i++) { bool[] vis = new bool[N]; Queue<long> q = new Queue<long>(); q.Enqueue(0); while (q.Any()) { long v = q.Dequeue(); vis[v] = true; foreach (var idx in edgeIndexes[v]) { if (idx == i) continue; long v2 = edges[idx].Item1 + edges[idx].Item2 - v; if (vis[v]) continue; q.Enqueue(v2); } } if (vis.Any(v => !v)) cnt++; } Console.WriteLine(cnt); } /// <summary> /// B - トリボナッチ数列 /// </summary> public static void ABC006_B() { long N = rl; long[] table = new long[3]; table[0] = 0; table[1] = 0; table[2] = 1; for (int i = 3; i < N; i++) { table[i % 3] = (table[0] + table[1] + table[2]) % 10007; } Console.WriteLine(table[(N - 1) % 3]); } } public class HashMap<K, V> : Dictionary<K, V> { V i; static Func<V> j = Expression.Lambda<Func<V>>(Expression.New(typeof(V))).Compile(); public HashMap() {} public HashMap(V a) { i = a; } new public V this[K a] { get { V b; if (TryGetValue(a, out b)) return b; else return base[a] = i != null ? i : j(); } set { base[a] = value; } } } public static class Util { public static readonly long INF = (long)1e17; public readonly static long MOD = (long)1e9 + 7; public static void DontAutoFlush() { var a = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(a); } public static void Flush() { Console.Out.Flush(); } public static T[] Sort<T>(T[] a) { Array.Sort<T>(a); return a; } public static T[] SortDecend<T>(T[] a) { Array.Sort<T>(a); Array.Reverse(a); return a; } public static void Swap<T>(ref T a, ref T b) { T c = a; a = b; b = c; } public static int GCD(int a, int b) { return (b == 0) ? a : GCD(b, a % b); } public static void ChMax(ref long a, long b) { if (a < b) a = b; } public static void ChMin(ref long a, long b) { if (a > b) a = b; } public static long ModAdd(long a, long b) { long c = a + b; if (c >= MOD) return c % MOD; return c; } public static long ModMul(long a, long b) { long c = a * b; if (c >= MOD) return c % MOD; return c; } public static void ChModAdd(ref long a, long b) { a += b; if (a >= MOD) a %= MOD; } public static void ChModMul(ref long a, long b) { a *= b; if (a >= MOD) a %= MOD; } public static void FillArray<T>(T[] a, T b) { int c = a.Length; for (int d = 0; d < c; d++) a[d] = b; } public static void FillArray<T>(T[,] a, T b) { int c = a.GetLength(0); int d = a.GetLength(1); for (int e = 0; e < c; e++) for (int f = 0; f < d; f++) { a[e, f] = b; } } public static void FillArray<T>(T[,,] a, T b) { int c = a.GetLength(0); int d = a.GetLength(1); int e = a.GetLength(2); for (int f = 0; f < c; f++) for (int g = 0; g < d; g++) { for (int h = 0; h < e; h++) { a[f, g, h] = b; } } } public static long[] Accumulate(long[] a) { long[] b = new long[a.Length + 1]; for (int c = 0; c < a.Length; c++) b[c + 1] = b[c] + a[c]; return b; } public static double[] Accumulate(double[] a) { double[] b = new double[a.Length + 1]; for (int c = 0; c < a.Length; c++) b[c + 1] = b[c] + a[c]; return b; } } public static class Cin { public static long rl { get { return ReadLong(); } } public static long[] rla { get { return ReadLongArray(); } } public static double rd { get { return ReadDouble(); } } public static double[] rda { get { return ReadDoubleArray(); } } public static string rs { get { return ReadString(); } } public static int ReadInt() { return int.Parse(k()); } public static long ReadLong() { return long.Parse(k()); } public static double ReadDouble() { return double.Parse(k()); } public static string ReadString() { return k(); } public static int[] ReadIntArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); } public static long[] ReadLongArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), long.Parse); } public static double[] ReadDoubleArray() { i = null; return Array.ConvertAll(Console.ReadLine().Split(' '), double.Parse); } public static void ReadCols(out long[] a, out long[] b, long c) { a = new long[c]; b = new long[c]; for (int d = 0; d < c; d++) { a[d] = ReadLong(); b[d] = ReadLong(); } } public static void ReadCols(out long[] a, out long[] b, out long[] c, long d) { a = new long[d]; b = new long[d]; c = new long[d]; for (int e = 0; e < d; e++) { a[e] = ReadLong(); b[e] = ReadLong(); c[e] = ReadLong(); } } public static int[][] ReadIntTable(int a) { i = null; int[][] b = new int [a][]; for (int c = 0; c < a; c++) b[c] = ReadIntArray(); return b; } public static long[][] ReadLongTable(long a) { i = null; long[][] b = new long [a][]; for (long c = 0; c < a; c++) b[c] = ReadLongArray(); return b; } static string[] i { get; set; } static int j { get; set; } static string k() { if (i == null || i.Length <= j) { i = Console.ReadLine().Split(' '); j = 0; } return i[j++]; } } }
[["+", 0, 195, 8, 196, 0, 1, 0, 213, 63, 22], ["+", 8, 196, 0, 1, 0, 213, 3, 4, 0, 24], ["+", 8, 196, 0, 1, 0, 213, 3, 4, 0, 25], ["+", 8, 201, 0, 195, 8, 196, 0, 1, 0, 35]]
8
2,309
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC124 { class Program { static void Main(string[] args) { // Buttons(); // 8min // GreatOceanView(); // 15min // ColoringColorfully(); // 32min Handstand(); } static void Handstand() { int[] tmp = ReadIntArray(); int n = tmp[0]; int k = tmp[1]; bool[] xs = ReadBoolArray(); List<int> ary = new List<int>(); if (xs[0] == false) { ary.Add(0); } for (int i = 0; i < n; i++) { int j = i; while (j < n && xs[j] == xs[i]) j++; ary.Add(j - i); i = j; } if (xs[n - 1] == false) { ary.Add(0); } // 累積和を作る int len = ary.Count() + 1; int[] cusum = new int[len]; for (int i = 0; i < len - 1; i++) { cusum[i + 1] = cusum[i] + ary[i]; } // 答えを出す int ans = 0; for (int i = 0; i < len; i += 2) { int left = i; int right = Math.Min(len - 1, i + k * 2 + 1); ans = Math.Max(ans, cusum[right] - cusum[left]); } Console.WriteLine(ans); } static void ColoringColorfully() { bool[] xs = ReadBoolArray(); int n = xs.Length; int ans = 0; for (int i = 0; i < n; i++) { if (xs[i] == (i % 2 == 0)) { ans++; } } ans = Math.Min(ans, n - ans); Console.WriteLine(ans); } static void GreatOceanView() { int n = ReadInt(); int[] xs = ReadIntArray(); int ans = 0; int max = 0; for (int i = 0; i < n; i++) { if (max <= xs[i]) { max = xs[i]; ans++; } } Console.WriteLine(ans); } static void Buttons() { int[] xs = ReadIntArray(); int ans = 0; for (int i = 0; i < 2; i++) { if (xs[0] > xs[1]) { ans += xs[0]--; } else { ans += xs[1]--; } } Console.WriteLine(ans); } public static bool[] ReadBoolArray() { return Console.ReadLine().Select(c => c == '1').ToArray(); } public static int ReadInt() { return int.Parse(Console.ReadLine()); } public static int[] ReadIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC124 { class Program { static void Main(string[] args) { // Buttons(); // 8min // GreatOceanView(); // 15min // ColoringColorfully(); // 32min Handstand(); } static void Handstand() { int[] tmp = ReadIntArray(); int n = tmp[0]; int k = tmp[1]; bool[] xs = ReadBoolArray(); List<int> ary = new List<int>(); if (xs[0] == false) { ary.Add(0); } // 連続する個数のリストに変換する for (int i = 0; i < n;) { int j = i; while (j < n && xs[j] == xs[i]) j++; ary.Add(j - i); i = j; } if (xs[n - 1] == false) { ary.Add(0); } // 累積和を作る int len = ary.Count() + 1; int[] cusum = new int[len]; for (int i = 0; i < len - 1; i++) { cusum[i + 1] = cusum[i] + ary[i]; } // 答えを出す int ans = 0; for (int i = 0; i < len; i += 2) { int left = i; int right = Math.Min(len - 1, i + k * 2 + 1); ans = Math.Max(ans, cusum[right] - cusum[left]); } Console.WriteLine(ans); } static void ColoringColorfully() { bool[] xs = ReadBoolArray(); int n = xs.Length; int ans = 0; for (int i = 0; i < n; i++) { if (xs[i] == (i % 2 == 0)) { ans++; } } ans = Math.Min(ans, n - ans); Console.WriteLine(ans); } static void GreatOceanView() { int n = ReadInt(); int[] xs = ReadIntArray(); int ans = 0; int max = 0; for (int i = 0; i < n; i++) { if (max <= xs[i]) { max = xs[i]; ans++; } } Console.WriteLine(ans); } static void Buttons() { int[] xs = ReadIntArray(); int ans = 0; for (int i = 0; i < 2; i++) { if (xs[0] > xs[1]) { ans += xs[0]--; } else { ans += xs[1]--; } } Console.WriteLine(ans); } public static bool[] ReadBoolArray() { return Console.ReadLine().Select(c => c == '1').ToArray(); } public static int ReadInt() { return int.Parse(Console.ReadLine()); } public static int[] ReadIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } } }
[["-", 0, 195, 8, 196, 0, 7, 26, 223, 0, 22], ["-", 0, 195, 8, 196, 0, 7, 26, 223, 0, 29]]
8
656
2
using System; using System.Collections.Generic; using System.Linq; using static System.Math; using static AtCoderTemplate.MyExtensions; using static AtCoderTemplate.MyInputOutputs; using static AtCoderTemplate.MyNumericFunctions; namespace AtCoderTemplate { public class Program { public static void Main(string[] args) { var NK = ReadInts(); var N = NK[0]; var K = NK[1]; var S = Console.ReadLine(); var gaps = new List<int> { 0 }; foreach (var i in Enumerable.Range(1, S.Count() - 1)) { if (S[i - 1] != S[i]) { gaps.Add(i); } } gaps.Add(S.Length); var gapNum = gaps.MapAdjacent((gap1, gap2) => Abs(gap2 - gap1)).ToList(); if (S[0] == '0') gapNum = gapNum.Prepend(0).ToList(); if (S[S.Length - 1] == '1') gapNum.Add(0); // PrintRow (gapNum); // 累積和 var firstSum = gapNum.Take(2 * K + 1).Sum(); var sum = new List<int> { firstSum }; var k = 1; while (2 * (k + K) < gaps.Count) { sum.Add(sum[k - 1] - (gapNum[2 * (k - 1)] + gapNum[2 * (k - 1) + 1]) + (gapNum[2 * (k + K) - 1] + gapNum[2 * (k + K)])); // Print ($"{k} {sum[k]}"); k++; } Print(sum.Max()); } } static class MyInputOutputs { /* Input & Output*/ public static int ReadInt() { return int.Parse(Console.ReadLine()); } public static long ReadLong() { return long.Parse(Console.ReadLine()); } public static List<int> ReadInts() { return Console.ReadLine().Split(' ').Select(c => int.Parse(c)).ToList(); } public static List<long> ReadLongs() { return Console.ReadLine().Split(' ').Select(c => long.Parse(c)).ToList(); } public static List<List<int>> ReadIntColumns(int n) { /* 入力例 A1 B1 A2 B2 ... An Bn 出力例 [[A1,A2,...,An], [B1,B2,...,Bn]] */ var rows = Enumerable.Range(0, n).Select(i => ReadInts()).ToList(); var m = rows.FirstOrDefault()?.Count() ?? 0; return Enumerable.Range(0, m) .Select(i => rows.Select(items => items[i]).ToList()) .ToList(); } public static List<List<long>> ReadLongColumns(int n) { /* 入力例 A1 B1 A2 B2 ... An Bn 出力例 [[A1,A2,...,An], [B1,B2,...,Bn]] */ var rows = Enumerable.Range(0, n).Select(i => ReadLongs()).ToList(); var m = rows.FirstOrDefault()?.Count() ?? 0; return Enumerable.Range(0, m) .Select(i => rows.Select(items => items[i]).ToList()) .ToList(); } public static void Print<T>(T item) { Console.WriteLine(item); } public static void PrintIf<T1, T2>(bool condition, T1 trueResult, T2 falseResult) { if (condition) { Console.WriteLine(trueResult); } else { Console.WriteLine(falseResult); } } public static void PrintRow<T>(IEnumerable<T> list) { /* 横ベクトルで表示 A B C D ... */ if (!list.IsEmpty()) { Console.Write(list.First()); foreach (var item in list.Skip(1)) { Console.Write($" {item}"); } } Console.Write("\n"); } public static void PrintColomn<T>(IEnumerable<T> list) { /* 縦ベクトルで表示 A B C D ... */ foreach (var item in list) { Console.WriteLine(item); } } public static void Print2DArray<T>(IEnumerable<IEnumerable<T>> sources) { foreach (var row in sources) { PrintRow(row); } } } static class MyNumericFunctions { public static bool isEven(int a) { return a % 2 == 0; } public static bool isEven(long a) { return a % 2 == 0; } public static bool isOdd(int a) { return !isEven(a); } public static bool isOdd(long a) { return !isEven(a); } public static long nPk(int n, int k) { if (k > n) { return 0; } else { return Enumerable.Range(n - k + 1, k) .Aggregate((long)1, ((i, m) => i * m)); } } public static long Fact(int n) { return nPk(n, n); } public static long nCk(int n, int k) { if (k > n) { return 0; } else { return nPk(n, k) / Fact(k); } } // 最大公約数 public static long GCD(long m, long n) { if (m < n) { return GCD(n, m); } else if (n == 0) { return m; } else { return GCD(n, m % n); } } // 最小公倍数 public static long LCM(long m, long n) { if (m < n) { return LCM(n, m); } else { return (m * n) / GCD(m, n); } } } static class MyExtensions { // AppendとPrependが、.NET Standard 1.6からの追加で、Mono 4.6.2 // はそれに対応して仕様はあるが、実装がない public static IEnumerable<T> Append<T>(this IEnumerable<T> source, T element) { return source.Concat(Enumerable.Repeat(element, 1)); } public static IEnumerable<T> Prepend<T>(this IEnumerable<T> source, T element) { return Enumerable.Repeat(element, 1).Concat(source); } // TakeLastとSkipLastが、.Net Standard 2.1からの追加で、Mono 4.6.2 // はそれに対応していない public static IEnumerable<T> TakeLast<T>(this IEnumerable<T> source, int count) { return source.Skip(source.Count() - count); } public static IEnumerable<T> SkipLast<T>(this IEnumerable<T> source, int count) { return source.Take(source.Count() - count); } public static bool IsEmpty<T>(this IEnumerable<T> source) { return !source.Any(); } /// <summary> /// インデックスiの位置の要素からk個取り除く /// O(N) /// </summary> public static IEnumerable<T> TakeAwayRange<T>(this IEnumerable<T> source, int i, int count) { return source.Take(i).Concat(source.Skip(i + count)); } /// <summary> /// インデックスiの位置の要素を取り除く /// O(N) /// </summary> public static IEnumerable<T> TakeAwayAt<T>(this IEnumerable<T> source, int i) { return source.TakeAwayRange(i, 1); } /// <summary> /// インデックスiの位置にシーケンスを挿入する /// O(N + K) /// </summary> public static IEnumerable<T> InsertEnumAt<T>(this IEnumerable<T> source, int i, IEnumerable<T> inserted) { return source.Take(i).Concat(inserted).Concat(source.Skip(i)); } /// <summary> /// 順列を得る /// O(N!) /// </summary> public static IEnumerable<IEnumerable<T>> Perm<T>(this IEnumerable<T> source, int n) { if (n == 0 || source.IsEmpty() || source.Count() < n) { return Enumerable.Empty<IEnumerable<T>>(); } else if (n == 1) { return source.Select(i => new List<T> { i }); } else { var nexts = source.Select( (x, i) => new { next = source.Take(i).Concat(source.Skip(i + 1)), selected = source.Take(i + 1).Last() }); return nexts.SelectMany( next => Perm(next.next, n - 1) .Select(item => item.Prepend(next.selected))); } } /// <summary> /// シーケンスの隣り合う要素を2引数の関数に適用したシーケンスを得る /// </summary> /// <para>O(N)</para> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数</param> /// <example>[1,2,3,4].MapAdjacent(f) => [f(1,2), f(2,3), f(3,4)]</example> public static IEnumerable<TR> MapAdjacent<T1, TR>(this IEnumerable<T1> source, Func<T1, T1, TR> func) { var list = source.ToList(); return Enumerable.Range(1, list.Count - 1) .Select(i => func(list[i], list[i - 1])); } /// <summary> /// 累積項を要素にもつシーケンスを得る(初項は、first) /// <para>O(N)</para> /// </summary> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数f</param> /// <param name="first">func(first, source[0])のための初項</param> /// <example> [1,2,3].Scanl1(f,0) => [0, f(0,1), f(f(0,1),2), /// f(f(f(0,1),2),3)]</example> public static IEnumerable<TR> Scanl<T, TR>(this IEnumerable<T> source, Func<TR, T, TR> func, TR first) { var list = source.ToList(); var result = new List<TR> { first }; foreach (var i in Enumerable.Range(1, source.Count())) { result.Add(func(result[i - 1], list[i])); } return result; } /// <summary> /// 累積項を要素にもつシーケンスを得る(初項は、source.First()) /// <para>O(N)</para> /// </summary> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数f</param> /// <example> [1,2,3].Scanl1(f) => [1, f(1,2), f(f(1,2),3)]</example> public static IEnumerable<T> Scanl1<T>(this IEnumerable<T> source, Func<T, T, T> func) { var list = source.ToList(); var result = new List<T> { list[0] }; foreach (var i in Enumerable.Range(1, source.Count() - 1)) { result.Add(func(result[i - 1], list[i])); } return result; } /// <summary> /// 昇順にソートしたインデックスを得る /// </summary> /// <para>O(N * log N)</para> public static IEnumerable<int> SortIndex<T>(this IEnumerable<T> source) { return source.Select((item, i) => new { Item = item, Index = i }) .OrderBy(x => x.Item) .Select(x => x.Index); } } }
using System; using System.Collections.Generic; using System.Linq; using static System.Math; using static AtCoderTemplate.MyExtensions; using static AtCoderTemplate.MyInputOutputs; using static AtCoderTemplate.MyNumericFunctions; namespace AtCoderTemplate { public class Program { public static void Main(string[] args) { var NK = ReadInts(); var N = NK[0]; var K = NK[1]; var S = Console.ReadLine(); var gaps = new List<int> { 0 }; foreach (var i in Enumerable.Range(1, S.Count() - 1)) { if (S[i - 1] != S[i]) { gaps.Add(i); } } gaps.Add(S.Length); var gapNum = gaps.MapAdjacent((gap1, gap2) => Abs(gap2 - gap1)).ToList(); if (S[0] == '0') gapNum = gapNum.Prepend(0).ToList(); if (S[S.Length - 1] == '0') gapNum.Add(0); // PrintRow (gapNum); // 累積和 var firstSum = gapNum.Take(2 * K + 1).Sum(); // PrintRow (gapNum.Take (2 * K + 1)); var sum = new List<int> { firstSum }; var k = 1; while (2 * (k + K) < gapNum.Count) { sum.Add(sum[k - 1] - (gapNum[2 * (k - 1)] + gapNum[2 * (k - 1) + 1]) + (gapNum[2 * (k + K) - 1] + gapNum[2 * (k + K)])); // Print ($"{k} {sum[k]}"); k++; } Print(sum.Max()); } } static class MyInputOutputs { /* Input & Output*/ public static int ReadInt() { return int.Parse(Console.ReadLine()); } public static long ReadLong() { return long.Parse(Console.ReadLine()); } public static List<int> ReadInts() { return Console.ReadLine().Split(' ').Select(c => int.Parse(c)).ToList(); } public static List<long> ReadLongs() { return Console.ReadLine().Split(' ').Select(c => long.Parse(c)).ToList(); } public static List<List<int>> ReadIntColumns(int n) { /* 入力例 A1 B1 A2 B2 ... An Bn 出力例 [[A1,A2,...,An], [B1,B2,...,Bn]] */ var rows = Enumerable.Range(0, n).Select(i => ReadInts()).ToList(); var m = rows.FirstOrDefault()?.Count() ?? 0; return Enumerable.Range(0, m) .Select(i => rows.Select(items => items[i]).ToList()) .ToList(); } public static List<List<long>> ReadLongColumns(int n) { /* 入力例 A1 B1 A2 B2 ... An Bn 出力例 [[A1,A2,...,An], [B1,B2,...,Bn]] */ var rows = Enumerable.Range(0, n).Select(i => ReadLongs()).ToList(); var m = rows.FirstOrDefault()?.Count() ?? 0; return Enumerable.Range(0, m) .Select(i => rows.Select(items => items[i]).ToList()) .ToList(); } public static void Print<T>(T item) { Console.WriteLine(item); } public static void PrintIf<T1, T2>(bool condition, T1 trueResult, T2 falseResult) { if (condition) { Console.WriteLine(trueResult); } else { Console.WriteLine(falseResult); } } public static void PrintRow<T>(IEnumerable<T> list) { /* 横ベクトルで表示 A B C D ... */ if (!list.IsEmpty()) { Console.Write(list.First()); foreach (var item in list.Skip(1)) { Console.Write($" {item}"); } } Console.Write("\n"); } public static void PrintColomn<T>(IEnumerable<T> list) { /* 縦ベクトルで表示 A B C D ... */ foreach (var item in list) { Console.WriteLine(item); } } public static void Print2DArray<T>(IEnumerable<IEnumerable<T>> sources) { foreach (var row in sources) { PrintRow(row); } } } static class MyNumericFunctions { public static bool isEven(int a) { return a % 2 == 0; } public static bool isEven(long a) { return a % 2 == 0; } public static bool isOdd(int a) { return !isEven(a); } public static bool isOdd(long a) { return !isEven(a); } public static long nPk(int n, int k) { if (k > n) { return 0; } else { return Enumerable.Range(n - k + 1, k) .Aggregate((long)1, ((i, m) => i * m)); } } public static long Fact(int n) { return nPk(n, n); } public static long nCk(int n, int k) { if (k > n) { return 0; } else { return nPk(n, k) / Fact(k); } } // 最大公約数 public static long GCD(long m, long n) { if (m < n) { return GCD(n, m); } else if (n == 0) { return m; } else { return GCD(n, m % n); } } // 最小公倍数 public static long LCM(long m, long n) { if (m < n) { return LCM(n, m); } else { return (m * n) / GCD(m, n); } } } static class MyExtensions { // AppendとPrependが、.NET Standard 1.6からの追加で、Mono 4.6.2 // はそれに対応して仕様はあるが、実装がない public static IEnumerable<T> Append<T>(this IEnumerable<T> source, T element) { return source.Concat(Enumerable.Repeat(element, 1)); } public static IEnumerable<T> Prepend<T>(this IEnumerable<T> source, T element) { return Enumerable.Repeat(element, 1).Concat(source); } // TakeLastとSkipLastが、.Net Standard 2.1からの追加で、Mono 4.6.2 // はそれに対応していない public static IEnumerable<T> TakeLast<T>(this IEnumerable<T> source, int count) { return source.Skip(source.Count() - count); } public static IEnumerable<T> SkipLast<T>(this IEnumerable<T> source, int count) { return source.Take(source.Count() - count); } public static bool IsEmpty<T>(this IEnumerable<T> source) { return !source.Any(); } /// <summary> /// インデックスiの位置の要素からk個取り除く /// O(N) /// </summary> public static IEnumerable<T> TakeAwayRange<T>(this IEnumerable<T> source, int i, int count) { return source.Take(i).Concat(source.Skip(i + count)); } /// <summary> /// インデックスiの位置の要素を取り除く /// O(N) /// </summary> public static IEnumerable<T> TakeAwayAt<T>(this IEnumerable<T> source, int i) { return source.TakeAwayRange(i, 1); } /// <summary> /// インデックスiの位置にシーケンスを挿入する /// O(N + K) /// </summary> public static IEnumerable<T> InsertEnumAt<T>(this IEnumerable<T> source, int i, IEnumerable<T> inserted) { return source.Take(i).Concat(inserted).Concat(source.Skip(i)); } /// <summary> /// 順列を得る /// O(N!) /// </summary> public static IEnumerable<IEnumerable<T>> Perm<T>(this IEnumerable<T> source, int n) { if (n == 0 || source.IsEmpty() || source.Count() < n) { return Enumerable.Empty<IEnumerable<T>>(); } else if (n == 1) { return source.Select(i => new List<T> { i }); } else { var nexts = source.Select( (x, i) => new { next = source.Take(i).Concat(source.Skip(i + 1)), selected = source.Take(i + 1).Last() }); return nexts.SelectMany( next => Perm(next.next, n - 1) .Select(item => item.Prepend(next.selected))); } } /// <summary> /// シーケンスの隣り合う要素を2引数の関数に適用したシーケンスを得る /// </summary> /// <para>O(N)</para> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数</param> /// <example>[1,2,3,4].MapAdjacent(f) => [f(1,2), f(2,3), f(3,4)]</example> public static IEnumerable<TR> MapAdjacent<T1, TR>(this IEnumerable<T1> source, Func<T1, T1, TR> func) { var list = source.ToList(); return Enumerable.Range(1, list.Count - 1) .Select(i => func(list[i], list[i - 1])); } /// <summary> /// 累積項を要素にもつシーケンスを得る(初項は、first) /// <para>O(N)</para> /// </summary> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数f</param> /// <param name="first">func(first, source[0])のための初項</param> /// <example> [1,2,3].Scanl1(f,0) => [0, f(0,1), f(f(0,1),2), /// f(f(f(0,1),2),3)]</example> public static IEnumerable<TR> Scanl<T, TR>(this IEnumerable<T> source, Func<TR, T, TR> func, TR first) { var list = source.ToList(); var result = new List<TR> { first }; foreach (var i in Enumerable.Range(1, source.Count())) { result.Add(func(result[i - 1], list[i])); } return result; } /// <summary> /// 累積項を要素にもつシーケンスを得る(初項は、source.First()) /// <para>O(N)</para> /// </summary> /// <param name="source">元のシーケンス</param> /// <param name="func">2引数関数f</param> /// <example> [1,2,3].Scanl1(f) => [1, f(1,2), f(f(1,2),3)]</example> public static IEnumerable<T> Scanl1<T>(this IEnumerable<T> source, Func<T, T, T> func) { var list = source.ToList(); var result = new List<T> { list[0] }; foreach (var i in Enumerable.Range(1, source.Count() - 1)) { result.Add(func(result[i - 1], list[i])); } return result; } /// <summary> /// 昇順にソートしたインデックスを得る /// </summary> /// <para>O(N * log N)</para> public static IEnumerable<int> SortIndex<T>(this IEnumerable<T> source) { return source.Select((item, i) => new { Item = item, Index = i }) .OrderBy(x => x.Item) .Select(x => x.Index); } } }
[["-", 8, 196, 0, 57, 15, 16, 12, 252, 0, 253], ["+", 8, 196, 0, 57, 15, 16, 12, 252, 0, 253], ["-", 8, 196, 0, 52, 15, 16, 12, 214, 205, 22], ["+", 8, 196, 0, 52, 15, 16, 12, 214, 205, 22]]
8
2,039
4
using System; using System.Collections.Generic; using System.Linq; namespace D___Handstand { class Program { static void Main(string[] args) { var read = Console.ReadLine().Split(' '); var N = int.Parse(read[0]); var K = int.Parse(read[1]); var S = Console.ReadLine(); var switch01 = new List<int>(); switch01.Add(0); for (int i = 1; i < S.Length - 1; i++) if (S[i] != S[i - 1]) switch01.Add(i); switch01.Add(S.Length); var continuousHandstand = new List<int>(); for (int i = 0; i < switch01.Count - 1; i++) continuousHandstand.Add( S[switch01[i]] == 0 ? switch01[Math.Min(switch01.Count - 1, i + 2 * K)] - switch01[i] : switch01[Math.Min(switch01.Count - 1, i + 2 * K + 1)] - switch01[i]); Console.WriteLine(continuousHandstand.Max()); } } }
using System; using System.Collections.Generic; using System.Linq; namespace D___Handstand { class Program { static void Main(string[] args) { var read = Console.ReadLine().Split(' '); var N = int.Parse(read[0]); var K = int.Parse(read[1]); var S = Console.ReadLine(); var switch01 = new List<int>(); switch01.Add(0); for (int i = 1; i < S.Length; i++) if (S[i] != S[i - 1]) switch01.Add(i); switch01.Add(S.Length); var continuousHandstand = new List<int>(); for (int i = 0; i < switch01.Count - 1; i++) continuousHandstand.Add( S[switch01[i]] == '0' ? switch01[Math.Min(switch01.Count - 1, i + 2 * K)] - switch01[i] : switch01[Math.Min(switch01.Count - 1, i + 2 * K + 1)] - switch01[i]); Console.WriteLine(continuousHandstand.Max()); } } }
[["-", 8, 196, 0, 7, 15, 16, 12, 16, 17, 33], ["-", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203], ["+", 0, 28, 0, 41, 15, 16, 12, 252, 0, 104]]
8
258
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApp15 { class Class340 { static void Main() { int N = int.Parse(Console.ReadLine()); var A = Console.ReadLine().Split().Select(int.Parse).ToArray(); var d1 = new int[N]; var d2 = new int[N]; d1[0] = A[0]; d2[0] = A[N - 1]; for (int i = 0; i < N - 1; i++) { d1[i + 1] = GCD(d1[i], A[i + 1]); d2[i + 1] = GCD(d2[i], A[N - 2 - i]); } int ans = 0; for (int i = 0; i < N; i++) { if (i == 0) ans = Math.Max(ans, d2[N - 1]); else if (i == N - 1) ans = Math.Max(ans, d1[N - 1]); else { ans = Math.Max(ans, GCD(d1[i - 1], d2[N - 2 - i])); } } Console.WriteLine(ans); } static int GCD(int a, int b) => a <= 0 ? b : GCD(b % a, a); } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ConsoleApp15 { class Class340 { static void Main() { int N = int.Parse(Console.ReadLine()); var A = Console.ReadLine().Split().Select(int.Parse).ToArray(); var d1 = new int[N]; var d2 = new int[N]; d1[0] = A[0]; d2[0] = A[N - 1]; for (int i = 0; i < N - 1; i++) { d1[i + 1] = GCD(d1[i], A[i + 1]); d2[i + 1] = GCD(d2[i], A[N - 2 - i]); } int ans = 0; for (int i = 0; i < N; i++) { if (i == 0) ans = Math.Max(ans, d2[N - 2]); else if (i == N - 1) ans = Math.Max(ans, d1[N - 2]); else { ans = Math.Max(ans, GCD(d1[i - 1], d2[N - 2 - i])); } } Console.WriteLine(ans); } static int GCD(int a, int b) => a <= 0 ? b : GCD(b % a, a); } }
[["-", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
316
4
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace AtCoder { static class Program { static void Main() { Console.SetOut( new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); // var N = GetInt(); var A = GetLongArray(); var leftpro = new long[N]; leftpro[0] = A.First(); var rightpro = new long[N]; rightpro[0] = A.Last(); for (int i = 1; i < N; i++) { leftpro[i] = GCD(leftpro[i - 1], A[i]); rightpro[i] = GCD(rightpro[i - 1], A[N - 1 - i]); } var max = Math.Max(leftpro[N - 2], rightpro[N - 2]); for (int i = 1; i < N - 1; i++) { max = Math.Max(max, GCD(rightpro[i - 1], leftpro[N - 1 - i])); } Console.WriteLine(max); // Console.Out.Flush(); Console.ReadKey(); } static void Solve() {} static long GCD(long a, long b) { return b != 0 ? GCD(b, a % b) : a; } static public string GetStr() { return Console.ReadLine().Trim(); } static public int GetInt() { return int.Parse(Console.ReadLine()); } static public long GetLong() { return long.Parse(Console.ReadLine()); } static public string[] GetStrArray() { return Console.ReadLine().Split(' '); } static public int[] GetIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } static public long[] GetLongArray() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } static public char[] GetCharArray() { return Console.ReadLine().Split(' ').Select(char.Parse).ToArray(); } static public List<double> GetDoubleList() { return Console.ReadLine().Split(' ').Select(double.Parse).ToList(); } static public void WriteObjects<T>(IEnumerable<T> values) { foreach (var o in values) { Console.Write(o + " "); } } static string yesno(this bool b) { return b ? "yes" : "no"; } static string YesNo(this bool b) { return b ? "Yes" : "No"; } static string YESNO(this bool b) { return b ? "YES" : "NO"; } static bool eq<T, U>() => typeof(T).Equals(typeof(U)); static T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T)); static T cv<T>(string s) => eq<T, int>() ? ct<T, int>(int.Parse(s)) : eq<T, long>() ? ct<T, long>(long.Parse(s)) : eq<T, double>() ? ct<T, double>(double.Parse(s)) : eq<T, char>() ? ct<T, char>(s[0]) : ct<T, string>(s); static void Multi<T>(out T a) => a = cv<T>(GetStr()); static void Multi<T, U>(out T a, out U b) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); } static void Multi<T, U, V>(out T a, out U b, out V c) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); } static void Multi<T, U, V>(out T a, out U b, out V c, out V d) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<V>(ar[3]); } } }
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace AtCoder { static class Program { static void Main() { Console.SetOut( new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); // var N = GetInt(); var A = GetLongArray(); var leftpro = new long[N]; leftpro[0] = A.First(); var rightpro = new long[N]; rightpro[0] = A.Last(); for (int i = 1; i < N; i++) { leftpro[i] = GCD(leftpro[i - 1], A[i]); rightpro[i] = GCD(rightpro[i - 1], A[N - 1 - i]); } var max = Math.Max(leftpro[N - 2], rightpro[N - 2]); for (int i = 1; i < N - 1; i++) { max = Math.Max(max, GCD(rightpro[i - 1], leftpro[N - 2 - i])); } Console.WriteLine(max); // Console.Out.Flush(); Console.ReadKey(); } static void Solve() {} static long GCD(long a, long b) { return b != 0 ? GCD(b, a % b) : a; } static public string GetStr() { return Console.ReadLine().Trim(); } static public int GetInt() { return int.Parse(Console.ReadLine()); } static public long GetLong() { return long.Parse(Console.ReadLine()); } static public string[] GetStrArray() { return Console.ReadLine().Split(' '); } static public int[] GetIntArray() { return Console.ReadLine().Split(' ').Select(int.Parse).ToArray(); } static public long[] GetLongArray() { return Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); } static public char[] GetCharArray() { return Console.ReadLine().Split(' ').Select(char.Parse).ToArray(); } static public List<double> GetDoubleList() { return Console.ReadLine().Split(' ').Select(double.Parse).ToList(); } static public void WriteObjects<T>(IEnumerable<T> values) { foreach (var o in values) { Console.Write(o + " "); } } static string yesno(this bool b) { return b ? "yes" : "no"; } static string YesNo(this bool b) { return b ? "Yes" : "No"; } static string YESNO(this bool b) { return b ? "YES" : "NO"; } static bool eq<T, U>() => typeof(T).Equals(typeof(U)); static T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T)); static T cv<T>(string s) => eq<T, int>() ? ct<T, int>(int.Parse(s)) : eq<T, long>() ? ct<T, long>(long.Parse(s)) : eq<T, double>() ? ct<T, double>(double.Parse(s)) : eq<T, char>() ? ct<T, char>(s[0]) : ct<T, string>(s); static void Multi<T>(out T a) => a = cv<T>(GetStr()); static void Multi<T, U>(out T a, out U b) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); } static void Multi<T, U, V>(out T a, out U b, out V c) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); } static void Multi<T, U, V>(out T a, out U b, out V c, out V d) { var ar = GetStrArray(); a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<V>(ar[3]); } } }
[["-", 206, 207, 0, 28, 0, 16, 31, 16, 12, 203], ["+", 206, 207, 0, 28, 0, 16, 31, 16, 12, 203]]
8
1,033
2
using System; using System.Numerics; using System.Linq; using System.Collections.Generic; using System.Text; using System.Collections; namespace debug { class main { static void Main(string[] args) { //問題クラスを展開 ProgramC a = new ProgramC(); a.main(); //実行する } } class ProgramA { public void main() { //入力 string[] s = Console.ReadLine().Split(' '); int a = int.Parse(s[0]); int b = int.Parse(s[1]); int t = int.Parse(s[2]); // b*(t/a)が答え Console.WriteLine(b * (t / a)); } } class ProgramB { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] v = Console.ReadLine().Split(' '); string[] c = Console.ReadLine().Split(' '); int sum = 0; // v-cをしてマイナスでなければ足す for (int i = 0; i < n; i++) { if (int.Parse(v[i]) - int.Parse(c[i]) > 0) sum += int.Parse(v[i]) - int.Parse(c[i]); } //答え出力 Console.WriteLine(sum); } } class ProgramC { public void main() { //入力 int n = int.Parse(Console.ReadLine()); long[] R = new long[n]; long[] L = new long[n]; string[] a = Console.ReadLine().Split(' '); L[0] = long.Parse(a[0]); R[0] = long.Parse(a[n - 1]); //左からのgcdと右からのgcdを求める for (int i = 1; i < n; i++) { L[i] = gcd(L[i - 1], long.Parse(a[i])); R[i] = gcd(R[i - 1], long.Parse(a[n - 1 - i])); } long max = 0; for (int i = 0; i < n; i++) { //それぞれの位置で引き出す long temp = 0; if (i == 0) //一番左は右n-1個分のみで考える temp = R[n - 2]; else if (i == n - 1) //一番右は左n-1個分のみで考える temp = L[n - 2]; else temp = gcd(L[i], R[n - 2 - i]); //最大を求める max = Math.Max(max, temp); } //答えを出力 Console.WriteLine(max); } /*最大公約数を求める関数*/ static long gcd(long p, long q) { if (p < q) { long temp = p; p = q; q = temp; } long r = 1; while (r != 0) { r = p % q; p = q; q = r; } return p; } } class ProgramD { static void main() { //入力 string[] input = Console.ReadLine().Split(' '); int H = int.Parse(input[0]); int W = int.Parse(input[1]); int INF = 1000000; //ワーシャルフロイド法の準備。すべてとりあえず#とする。(そうするとこのあと.だけの判定で済む) int[,] dis = new int[H * W + 1, H * W + 1]; for (int i = 0; i < H * W; i++) for (int j = 0; j < H * W; j++) { if (i == j) dis[i, j] = 0; else dis[i, j] = INF; } //前の迷路状態を記録して置くためにmaze2を作成。 string maze2 = "####################"; for (int i = 0; i < H; i++) { //迷路を読み込む string maze = Console.ReadLine(); for (int j = 0; j < W; j++) { //横のつながりを判定する。つながっていれば1を代入 if (j > 0 && maze[j - 1] == '.' && maze[j] == '.') { dis[i * W + j, i * W + j - 1] = 1; dis[i * W + j - 1, i * W + j] = 1; } //縦のつながりを判定する。ひとつ上と判定します。 if (i > 0 && maze2[j] == '.' && maze[j] == '.') { dis[i * W + j, (i - 1) * W + j] = 1; dis[(i - 1) * W + j, i * W + j] = 1; } } //メイズを記録する maze2 = maze; } //ワーシャルフロイド法を用いる for (int k = 0; k < H * W; k++) // 経由する頂点 for (int i = 0; i < H * W; i++) // 始点 for (int j = 0; j < H * W; j++) // 終点 dis[i, j] = Math.Min(dis[i, j], dis[i, k] + dis[k, j]); int ans = 0; //最大の経路を算出する for (int i = 0; i < H * W; i++) for (int j = 0; j < H * W; j++) { if (dis[i, j] <= INF) { int temp = dis[i, j]; if (ans < temp) ans = temp; } } //答を出す Console.WriteLine(ans); } } }
using System; using System.Numerics; using System.Linq; using System.Collections.Generic; using System.Text; using System.Collections; namespace debug { class main { static void Main(string[] args) { //問題クラスを展開 ProgramC a = new ProgramC(); a.main(); //実行する } } class ProgramA { public void main() { //入力 string[] s = Console.ReadLine().Split(' '); int a = int.Parse(s[0]); int b = int.Parse(s[1]); int t = int.Parse(s[2]); // b*(t/a)が答え Console.WriteLine(b * (t / a)); } } class ProgramB { public void main() { //入力 int n = int.Parse(Console.ReadLine()); string[] v = Console.ReadLine().Split(' '); string[] c = Console.ReadLine().Split(' '); int sum = 0; // v-cをしてマイナスでなければ足す for (int i = 0; i < n; i++) { if (int.Parse(v[i]) - int.Parse(c[i]) > 0) sum += int.Parse(v[i]) - int.Parse(c[i]); } //答え出力 Console.WriteLine(sum); } } class ProgramC { public void main() { //入力 int n = int.Parse(Console.ReadLine()); long[] R = new long[n]; long[] L = new long[n]; string[] a = Console.ReadLine().Split(' '); L[0] = long.Parse(a[0]); R[0] = long.Parse(a[n - 1]); //左からのgcdと右からのgcdを求める for (int i = 1; i < n; i++) { L[i] = gcd(L[i - 1], long.Parse(a[i])); R[i] = gcd(R[i - 1], long.Parse(a[n - 1 - i])); } long max = 0; for (int i = 0; i < n; i++) { //それぞれの位置で引き出す long temp = 0; if (i == 0) //一番左は右n-1個分のみで考える temp = R[n - 2]; else if (i == n - 1) //一番右は左n-1個分のみで考える temp = L[n - 2]; else temp = gcd(L[i - 1], R[n - 2 - i]); //最大を求める max = Math.Max(max, temp); } //答えを出力 Console.WriteLine(max); } /*最大公約数を求める関数*/ static long gcd(long p, long q) { if (p < q) { long temp = p; p = q; q = temp; } long r = 1; while (r != 0) { r = p % q; p = q; q = r; } return p; } } class ProgramD { static void main() { //入力 string[] input = Console.ReadLine().Split(' '); int H = int.Parse(input[0]); int W = int.Parse(input[1]); int INF = 1000000; //ワーシャルフロイド法の準備。すべてとりあえず#とする。(そうするとこのあと.だけの判定で済む) int[,] dis = new int[H * W + 1, H * W + 1]; for (int i = 0; i < H * W; i++) for (int j = 0; j < H * W; j++) { if (i == j) dis[i, j] = 0; else dis[i, j] = INF; } //前の迷路状態を記録して置くためにmaze2を作成。 string maze2 = "####################"; for (int i = 0; i < H; i++) { //迷路を読み込む string maze = Console.ReadLine(); for (int j = 0; j < W; j++) { //横のつながりを判定する。つながっていれば1を代入 if (j > 0 && maze[j - 1] == '.' && maze[j] == '.') { dis[i * W + j, i * W + j - 1] = 1; dis[i * W + j - 1, i * W + j] = 1; } //縦のつながりを判定する。ひとつ上と判定します。 if (i > 0 && maze2[j] == '.' && maze[j] == '.') { dis[i * W + j, (i - 1) * W + j] = 1; dis[(i - 1) * W + j, i * W + j] = 1; } } //メイズを記録する maze2 = maze; } //ワーシャルフロイド法を用いる for (int k = 0; k < H * W; k++) // 経由する頂点 for (int i = 0; i < H * W; i++) // 始点 for (int j = 0; j < H * W; j++) // 終点 dis[i, j] = Math.Min(dis[i, j], dis[i, k] + dis[k, j]); int ans = 0; //最大の経路を算出する for (int i = 0; i < H * W; i++) for (int j = 0; j < H * W; j++) { if (dis[i, j] <= INF) { int temp = dis[i, j]; if (ans < temp) ans = temp; } } //答を出す Console.WriteLine(ans); } } }
[["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
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using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Text.RegularExpressions; using static System.Math; namespace CSharpSpiral { class Program { static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = #if DEBUG true #else false #endif }; Console.SetOut(sw); new Program().Solve(new ConsoleInput( #if DEBUG new StreamReader("../../../inputData.txt") #else Console.In #endif , ' ')); Console.Out.Flush(); } public void Solve(ConsoleInput cin) { var N = cin.ReadInt; var A = cin.ReadIntArray(N); var LeftGCD = new int[N]; var RightGCD = new int[N]; LeftGCD[0] = A[0]; RightGCD[N - 1] = A[N - 1]; for (int i = 1; i < N; i++) LeftGCD[i] = gcd(LeftGCD[0], A[i]); for (int i = N - 2; i >= 0; i--) RightGCD[i] = gcd(RightGCD[i + 1], A[i]); var Res = new int[N]; Res[0] = RightGCD[1]; Res[N - 1] = LeftGCD[N - 2]; for (int i = 1; i < N - 1; i++) Res[i] = gcd(LeftGCD[i - 1], RightGCD[i + 1]); Console.WriteLine(Res.Max()); } private static int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); } } static class ExtendClass { public static void Swap<T>(this T[] A, int x, int y) { var tmp = A[x]; A[x] = A[y]; A[y] = tmp; } public static string Join<T>(this IEnumerable<T> X, string separator = " ") => string.Join(separator, X); public static IEnumerable<int> Indices<T>(this T[] X) => Enumerable.Range(0, X.Length); public static IEnumerable<int> Indices<T>(this T[,] X, int dim) => Enumerable.Range(0, X.GetLength(dim)); public static string Join<T>(this T[,] X, string separatorD2 = ",", string separatorD1 = "\n") => X.Indices(0) .Select(i => X.Indices(1).Select(j => X[i, j]).Join(separatorD2)) .Join(separatorD1); } class ConsoleInput { private readonly TextReader _stream; private readonly char _separator = ' '; private readonly Queue<string> inputStream; public ConsoleInput(TextReader stream, char separator = ' ') { this._separator = separator; this._stream = stream; inputStream = new Queue<string>(); } public string Read { get { if (inputStream.Count != 0) return inputStream.Dequeue(); string[] tmp = _stream.ReadLine().Split(_separator); for (int i = 0; i < tmp.Length; ++i) inputStream.Enqueue(tmp[i]); return inputStream.Dequeue(); } } public string ReadLine { get { return _stream.ReadLine(); } } public int ReadInt { get { return int.Parse(Read); } } public long ReadLong { get { return long.Parse(Read); } } public double ReadDouble { get { return double.Parse(Read); } } public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; } public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; } public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; } public double[] ReadDoubleArray(long N) { var ret = new double[N]; for (long i = 0; i < N; ++i) ret[i] = ReadDouble; return ret; } public bool isEOF { get { return _stream.Peek() == -1; } } } }
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Text.RegularExpressions; using static System.Math; namespace CSharpSpiral { class Program { static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = #if DEBUG true #else false #endif }; Console.SetOut(sw); new Program().Solve(new ConsoleInput( #if DEBUG new StreamReader("../../../inputData.txt") #else Console.In #endif , ' ')); Console.Out.Flush(); } public void Solve(ConsoleInput cin) { var N = cin.ReadInt; var A = cin.ReadIntArray(N); var LeftGCD = new int[N]; var RightGCD = new int[N]; LeftGCD[0] = A[0]; RightGCD[N - 1] = A[N - 1]; for (int i = 1; i < N; i++) LeftGCD[i] = gcd(LeftGCD[i - 1], A[i]); for (int i = N - 2; i >= 0; i--) RightGCD[i] = gcd(RightGCD[i + 1], A[i]); var Res = new int[N]; Res[0] = RightGCD[1]; Res[N - 1] = LeftGCD[N - 2]; for (int i = 1; i < N - 1; i++) Res[i] = gcd(LeftGCD[i - 1], RightGCD[i + 1]); Console.WriteLine(Res.Max()); } private static int gcd(int a, int b) { if (b == 0) return a; else return gcd(b, a % b); } } static class ExtendClass { public static void Swap<T>(this T[] A, int x, int y) { var tmp = A[x]; A[x] = A[y]; A[y] = tmp; } public static string Join<T>(this IEnumerable<T> X, string separator = " ") => string.Join(separator, X); public static IEnumerable<int> Indices<T>(this T[] X) => Enumerable.Range(0, X.Length); public static IEnumerable<int> Indices<T>(this T[,] X, int dim) => Enumerable.Range(0, X.GetLength(dim)); public static string Join<T>(this T[,] X, string separatorD2 = ",", string separatorD1 = "\n") => X.Indices(0) .Select(i => X.Indices(1).Select(j => X[i, j]).Join(separatorD2)) .Join(separatorD1); } class ConsoleInput { private readonly TextReader _stream; private readonly char _separator = ' '; private readonly Queue<string> inputStream; public ConsoleInput(TextReader stream, char separator = ' ') { this._separator = separator; this._stream = stream; inputStream = new Queue<string>(); } public string Read { get { if (inputStream.Count != 0) return inputStream.Dequeue(); string[] tmp = _stream.ReadLine().Split(_separator); for (int i = 0; i < tmp.Length; ++i) inputStream.Enqueue(tmp[i]); return inputStream.Dequeue(); } } public string ReadLine { get { return _stream.ReadLine(); } } public int ReadInt { get { return int.Parse(Read); } } public long ReadLong { get { return long.Parse(Read); } } public double ReadDouble { get { return double.Parse(Read); } } public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; } public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; } public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; } public double[] ReadDoubleArray(long N) { var ret = new double[N]; for (long i = 0; i < N; ++i) ret[i] = ReadDouble; return ret; } public bool isEOF { get { return _stream.Peek() == -1; } } } }
[["-", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 31, 22], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
995
4
using System; using System.Collections.Generic; using System.IO; using System.Linq; class Program { static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Solve(); Console.Out.Flush(); } static void Solve() { var N = sc.ReadInt(); var A = sc.ReadLongArray(N); var gr = new long[N]; var gl = new long[N]; gl[0] = A[0]; for (int i = 1; i < N; i++) { gl[i] = Gcd(gl[i - 1], A[i]); } gr[N - 1] = A[N - 1]; for (int i = N - 2; i >= 0; i--) { gr[i] = Gcd(gr[i + 1], A[i]); } var ans = 1L; for (int i = 0; i < N; i++) { if (i == 0) { ans = Math.Max(ans, gr[N - 2]); } else if (i == N - 1) { ans = Math.Max(ans, gl[N - 2]); } else { var l = gl[i - 1]; var r = gr[i + 1]; ans = Math.Max(ans, Gcd(l, r)); } } Console.WriteLine(ans); } static long Gcd(long a, long b) { var v = new[] { a, b }; while (v[1] != 0) { v = new[] { v[1], v[0] % v[1] }; } return v[0]; } static Scanner sc = new Scanner(); } class Scanner { string[] S = new string[0]; int Index = 0; char[] Separators = new char[] { ' ' }; public string Next() { if (this.Index < this.S.Length) return this.S[this.Index++]; var line = ""; while (line == "") line = Console.ReadLine(); this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries); if (this.S.Length == 0) return this.Next(); this.Index = 0; return this.S[this.Index++]; } public string ReadStr() { return this.Next(); } public char ReadChar() { return this.Next()[0]; } public int ReadInt() { return int.Parse(this.Next()); } public uint ReadUInt() { return uint.Parse(this.Next()); } public long ReadLong() { return long.Parse(this.Next()); } public double ReadDouble() { return double.Parse(this.Next()); } public Tuple<int, int> ReadTup(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add); } public Tuple<long, long> ReadTupLong(int add = 0) { return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add); } public Tuple<int, int, int> ReadTup3(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public Tuple<int, int, int, int> ReadTup4(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public int[] ReadIntArray(int n) { var array = new int[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadInt(); } return array; } public long[] ReadLongArray(int n) { var array = new long[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadLong(); } return array; } public double[] ReadDoubleArray(int n) { var array = new double[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadDouble(); } return array; } public char[] ReadCharArray(int n) { var array = new char[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadChar(); } return array; } public string[] ReadStrArray(int n) { var array = new string[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadStr(); } return array; } public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0) { var array = new Tuple<long, long>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTupLong(add); } return array; } public Tuple<int, int>[] ReadTupArray(int n, int add = 0) { var array = new Tuple<int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup(add); } return array; } public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0) { var array = new Tuple<int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup3(add); } return array; } public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0) { var array = new Tuple<int, int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup4(add); } return array; } }
using System; using System.Collections.Generic; using System.IO; using System.Linq; class Program { static void Main(string[] args) { var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; Console.SetOut(sw); Solve(); Console.Out.Flush(); } static void Solve() { var N = sc.ReadInt(); var A = sc.ReadLongArray(N); var gr = new long[N]; var gl = new long[N]; gl[0] = A[0]; for (int i = 1; i < N; i++) { gl[i] = Gcd(gl[i - 1], A[i]); } gr[N - 1] = A[N - 1]; for (int i = N - 2; i >= 0; i--) { gr[i] = Gcd(gr[i + 1], A[i]); } var ans = 1L; for (int i = 0; i < N; i++) { if (i == 0) { ans = Math.Max(ans, gr[1]); } else if (i == N - 1) { ans = Math.Max(ans, gl[N - 2]); } else { var l = gl[i - 1]; var r = gr[i + 1]; ans = Math.Max(ans, Gcd(l, r)); } } Console.WriteLine(ans); } static long Gcd(long a, long b) { var v = new[] { a, b }; while (v[1] != 0) { v = new[] { v[1], v[0] % v[1] }; } return v[0]; } static Scanner sc = new Scanner(); } class Scanner { string[] S = new string[0]; int Index = 0; char[] Separators = new char[] { ' ' }; public string Next() { if (this.Index < this.S.Length) return this.S[this.Index++]; var line = ""; while (line == "") line = Console.ReadLine(); this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries); if (this.S.Length == 0) return this.Next(); this.Index = 0; return this.S[this.Index++]; } public string ReadStr() { return this.Next(); } public char ReadChar() { return this.Next()[0]; } public int ReadInt() { return int.Parse(this.Next()); } public uint ReadUInt() { return uint.Parse(this.Next()); } public long ReadLong() { return long.Parse(this.Next()); } public double ReadDouble() { return double.Parse(this.Next()); } public Tuple<int, int> ReadTup(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add); } public Tuple<long, long> ReadTupLong(int add = 0) { return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add); } public Tuple<int, int, int> ReadTup3(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public Tuple<int, int, int, int> ReadTup4(int add = 0) { return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add); } public int[] ReadIntArray(int n) { var array = new int[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadInt(); } return array; } public long[] ReadLongArray(int n) { var array = new long[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadLong(); } return array; } public double[] ReadDoubleArray(int n) { var array = new double[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadDouble(); } return array; } public char[] ReadCharArray(int n) { var array = new char[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadChar(); } return array; } public string[] ReadStrArray(int n) { var array = new string[n]; for (int i = 0; i < array.Length; i++) { array[i] = this.ReadStr(); } return array; } public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0) { var array = new Tuple<long, long>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTupLong(add); } return array; } public Tuple<int, int>[] ReadTupArray(int n, int add = 0) { var array = new Tuple<int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup(add); } return array; } public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0) { var array = new Tuple<int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup3(add); } return array; } public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0) { var array = new Tuple<int, int, int, int>[n]; for (int i = 0; i < n; i++) { array[i] = this.ReadTup4(add); } return array; } }
[["-", 0, 204, 206, 207, 0, 28, 0, 16, 31, 22], ["-", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["-", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["+", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203]]
8
1,366
4
using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; public class Hello { static public int mod = 1000000007; public static void Main() { // 方針 // int n = rint(); long[] a = longa(); long[] lgcd = new long[n - 1]; long[] rgcd = new long[n - 1]; lgcd[0] = a[0]; rgcd[n - 2] = a[n - 1]; for (int i = 1; i < n - 1; i++) { lgcd[i] = GCD(lgcd[i - 1], a[i]); } for (int i = n - 3; i >= 0; i--) { rgcd[i] = GCD(rgcd[i + 1], a[i + 1]); } long max = 0; // WriteLine(string.Join(" ",rgcd)); for (int i = 0; i < n - 1; i++) { if (i == 0) { max = Max(max, rgcd[i]); } else if (i == n - 2) { max = Max(max, lgcd[i]); } else { max = Max(max, GCD(rgcd[i], lgcd[i - 1])); } } WriteLine(max); } static void unionfind(ref int[] uni, int a, int b) { var memo = new List<int>(); memo.Add(a); memo.Add(b); int min = Min(a, b); while (uni[a] != a) { a = uni[a]; memo.Add(a); } while (uni[b] != b) { b = uni[b]; memo.Add(b); } min = Min(min, a); min = Min(min, b); foreach (var k in memo) { uni[k] = min; } } static int unionfind2(ref int[] uni, int a) { var memo = new List<int>(); memo.Add(a); while (uni[a] != a) { a = uni[a]; memo.Add(a); } foreach (var k in memo) { uni[k] = a; } return a; } static int binarysearchd(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] >= b) { return 0; } else if (a[leng - 1] < b) { return leng; } else { if (a[max] < b) { return max + 1; } return min + 1; } } static int binarysearchu(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] > b) { return leng; } else if (a[leng - 1] <= b) { return 0; } else { if (a[max] <= b) { return leng - (max + 1); } return leng - (min + 1); } } // 1からaまでの数字並べ替え全通り返すやつ static List<string> permutation(int a) { var list = new List<string>(); if (a == 1) { list.Add("1"); return list; } else { foreach (var k in permutation(a - 1)) { var ch = k.ToCharArray(); for (int i = 0; i <= ch.Length; i++) { string intemp = ""; if (i == 0) { intemp += a.ToString(); } for (int j = 0; j < ch.Length; j++) { intemp += ch[j].ToString(); if (i == j + 1) { intemp += a.ToString(); } } list.Add(intemp); } } } return list; } static void swap(ref int a, ref int b) { int temp = a; a = b; b = temp; } static void charswap(ref char a, ref char b) { char temp = a; a = b; b = temp; } static int ncr(int n, int r) { r = Min(r, n - r); long nn = 1; for (int i = n - r + 1; i <= n; i++) { nn = nn * i % mod; } long rr = 1; for (int i = 1; i <= r; i++) { rr = rr * i % mod; } rr = square((int)rr, mod - 2); nn = nn * rr % mod; return (int)nn; } // a^b mod static int square(int a, int b) { string binary = Convert.ToString(b, 2); int bileng = binary.Length; long a_power = a; long value = 1; for (int i = bileng - 1; i >= 0; i--) { if (binary[i] == '1') { value = value * a_power % mod; } a_power = a_power * a_power % mod; } return (int)value; } static int square2(int a, int b) { long output = 1; var list = new List<long>(); int sh = 1; long n = a; list.Add(a); while (sh < b) { sh *= 2; n = n * n % mod; list.Add(n); } for (int i = list.Count - 1; i >= 0; i--) { if (b > sh) { b -= sh; sh /= 2; output = output * list[i] % mod; } } return (int)output; } //各種読取 static string rstr() { return ReadLine(); } static int rint() { return int.Parse(ReadLine()); } static long rlong() { return long.Parse(ReadLine()); } static string[] stra() { return ReadLine().Split(' '); } static char[] chara() { string[] a = stra(); string b = ""; for (int i = 0; i < a.Length; i++) { b += a[i]; } return b.ToCharArray(); } static int[] inta() { string[] read_str_array = ReadLine().Split(' '); int[] return_int_array = new int[read_str_array.Length]; for (int countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_int_array[countup_i] = int.Parse(read_str_array[countup_i]); } return return_int_array; } static int[,] inta2(int num_array, int in_array) { int[,] int_array2 = new int[num_array, in_array]; for (int i = 0; i < num_array; i++) { int[] temp_array = inta(); for (int j = 0; j < in_array; j++) { int_array2[i, j] = temp_array[j]; } } return int_array2; } static long[] longa() { string[] read_str_array = ReadLine().Split(' '); long[] return_long_array = new long[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_long_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_long_array; } static double[] doublea() { string[] read_str_array = ReadLine().Split(' '); double[] return_double_array = new double[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_double_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_double_array; } // ----------------------------- static long divideup(long divided, long divid) { long temp_divide = divided / divid; if (divided % divid > 0) { temp_divide++; } return temp_divide; } static long GCD(long a, long b) { if (a < b) { long temp = a; a = b; b = temp; } if (a % b == 0) { return b; } else { long temp = b; b = a % b; a = temp; return GCD(a, b); } } static long LCM(long a, long b) { return a * b / GCD(a, b); } } //知見 // (string) hogestr -> (char[]) hoge // char hoge = hogestr.ToCharArray(); // (char[]) hoge -> (string) hogestr // string hoge = new string(hoge); // Hashtable × Dictionary ○ // Dictionary hoge<string,int> // hoge.ContainsKey(string) -> return boolean // hoge[string] -> return int // hoge[int] -> CE // Dictionary hoge<int1,int2> // hoge<int1,int2>: hoge[int1] -> return int2 // KeyValuePair<int,int> k <-> k.Key == int1 / k.Value == int2 // SortedDictionary() > SortedList() ??? // キュー -> 幅優先 ??? // var queue = new Queue<int>(); queue.Enqueue() queue.Dequeue() // スタック -> 深さ優先 ??? // var stack = new Stack<int>(); stack.Push(hoge) stack.Pop() stackPeek() // stack.Count // if (list?.Count > 0) リストが空でもnullでもない // ソート // list.Sort(StringComparer.Ordinal); listの(辞書順?)ソート // StringComparer.Ordinal とは // Array.Sort(list1,list2); // 出力 // foreach(var a int list){ WriteLine(a); } より // WriteLine(string.Join("\n", list)); が速い // var sw = new StreamWriter(Console.OpenStandardOutput()){AutoFlush = false}; // Console.SetOut(sw); // foreach(var k in list[num-1]){ // WriteLine(k); // } // Console.Out.Flush(); // 未知 // 最小費用流
using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.IO; using static System.Console; using static System.Math; public class Hello { static public int mod = 1000000007; public static void Main() { // 方針 // int n = rint(); long[] a = longa(); long[] lgcd = new long[n - 1]; long[] rgcd = new long[n - 1]; lgcd[0] = a[0]; rgcd[n - 2] = a[n - 1]; for (int i = 1; i < n - 1; i++) { lgcd[i] = GCD(lgcd[i - 1], a[i]); } for (int i = n - 3; i >= 0; i--) { rgcd[i] = GCD(rgcd[i + 1], a[i + 1]); } long max = 0; // WriteLine(string.Join(" ",rgcd)); for (int i = 0; i < n; i++) { if (i == 0) { max = Max(max, rgcd[i]); } else if (i == n - 1) { max = Max(max, lgcd[i - 1]); } else { max = Max(max, GCD(rgcd[i], lgcd[i - 1])); // WriteLine($"{rgcd[i]} {lgcd[i-1]}"); } } WriteLine(max); } static void unionfind(ref int[] uni, int a, int b) { var memo = new List<int>(); memo.Add(a); memo.Add(b); int min = Min(a, b); while (uni[a] != a) { a = uni[a]; memo.Add(a); } while (uni[b] != b) { b = uni[b]; memo.Add(b); } min = Min(min, a); min = Min(min, b); foreach (var k in memo) { uni[k] = min; } } static int unionfind2(ref int[] uni, int a) { var memo = new List<int>(); memo.Add(a); while (uni[a] != a) { a = uni[a]; memo.Add(a); } foreach (var k in memo) { uni[k] = a; } return a; } static int binarysearchd(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] >= b) { return 0; } else if (a[leng - 1] < b) { return leng; } else { if (a[max] < b) { return max + 1; } return min + 1; } } static int binarysearchu(int[] a, int b) { int leng = a.Length; int min = 0; int max = leng - 1; while (max - min > 1) { int mid = (min + max) / 2; if (a[mid] < b) { min = mid; } else { max = mid; } } if (a[0] > b) { return leng; } else if (a[leng - 1] <= b) { return 0; } else { if (a[max] <= b) { return leng - (max + 1); } return leng - (min + 1); } } // 1からaまでの数字並べ替え全通り返すやつ static List<string> permutation(int a) { var list = new List<string>(); if (a == 1) { list.Add("1"); return list; } else { foreach (var k in permutation(a - 1)) { var ch = k.ToCharArray(); for (int i = 0; i <= ch.Length; i++) { string intemp = ""; if (i == 0) { intemp += a.ToString(); } for (int j = 0; j < ch.Length; j++) { intemp += ch[j].ToString(); if (i == j + 1) { intemp += a.ToString(); } } list.Add(intemp); } } } return list; } static void swap(ref int a, ref int b) { int temp = a; a = b; b = temp; } static void charswap(ref char a, ref char b) { char temp = a; a = b; b = temp; } static int ncr(int n, int r) { r = Min(r, n - r); long nn = 1; for (int i = n - r + 1; i <= n; i++) { nn = nn * i % mod; } long rr = 1; for (int i = 1; i <= r; i++) { rr = rr * i % mod; } rr = square((int)rr, mod - 2); nn = nn * rr % mod; return (int)nn; } // a^b mod static int square(int a, int b) { string binary = Convert.ToString(b, 2); int bileng = binary.Length; long a_power = a; long value = 1; for (int i = bileng - 1; i >= 0; i--) { if (binary[i] == '1') { value = value * a_power % mod; } a_power = a_power * a_power % mod; } return (int)value; } static int square2(int a, int b) { long output = 1; var list = new List<long>(); int sh = 1; long n = a; list.Add(a); while (sh < b) { sh *= 2; n = n * n % mod; list.Add(n); } for (int i = list.Count - 1; i >= 0; i--) { if (b > sh) { b -= sh; sh /= 2; output = output * list[i] % mod; } } return (int)output; } //各種読取 static string rstr() { return ReadLine(); } static int rint() { return int.Parse(ReadLine()); } static long rlong() { return long.Parse(ReadLine()); } static string[] stra() { return ReadLine().Split(' '); } static char[] chara() { string[] a = stra(); string b = ""; for (int i = 0; i < a.Length; i++) { b += a[i]; } return b.ToCharArray(); } static int[] inta() { string[] read_str_array = ReadLine().Split(' '); int[] return_int_array = new int[read_str_array.Length]; for (int countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_int_array[countup_i] = int.Parse(read_str_array[countup_i]); } return return_int_array; } static int[,] inta2(int num_array, int in_array) { int[,] int_array2 = new int[num_array, in_array]; for (int i = 0; i < num_array; i++) { int[] temp_array = inta(); for (int j = 0; j < in_array; j++) { int_array2[i, j] = temp_array[j]; } } return int_array2; } static long[] longa() { string[] read_str_array = ReadLine().Split(' '); long[] return_long_array = new long[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_long_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_long_array; } static double[] doublea() { string[] read_str_array = ReadLine().Split(' '); double[] return_double_array = new double[read_str_array.Length]; for (long countup_i = 0; countup_i < read_str_array.Length; countup_i++) { return_double_array[countup_i] = long.Parse(read_str_array[countup_i]); } return return_double_array; } // ----------------------------- static long divideup(long divided, long divid) { long temp_divide = divided / divid; if (divided % divid > 0) { temp_divide++; } return temp_divide; } static long GCD(long a, long b) { if (a < b) { long temp = a; a = b; b = temp; } if (a % b == 0) { return b; } else { long temp = b; b = a % b; a = temp; return GCD(a, b); } } static long LCM(long a, long b) { return a * b / GCD(a, b); } } //知見 // (string) hogestr -> (char[]) hoge // char hoge = hogestr.ToCharArray(); // (char[]) hoge -> (string) hogestr // string hoge = new string(hoge); // Hashtable × Dictionary ○ // Dictionary hoge<string,int> // hoge.ContainsKey(string) -> return boolean // hoge[string] -> return int // hoge[int] -> CE // Dictionary hoge<int1,int2> // hoge<int1,int2>: hoge[int1] -> return int2 // KeyValuePair<int,int> k <-> k.Key == int1 / k.Value == int2 // SortedDictionary() > SortedList() ??? // キュー -> 幅優先 ??? // var queue = new Queue<int>(); queue.Enqueue() queue.Dequeue() // スタック -> 深さ優先 ??? // var stack = new Stack<int>(); stack.Push(hoge) stack.Pop() stackPeek() // stack.Count // if (list?.Count > 0) リストが空でもnullでもない // ソート // list.Sort(StringComparer.Ordinal); listの(辞書順?)ソート // StringComparer.Ordinal とは // Array.Sort(list1,list2); // 出力 // foreach(var a int list){ WriteLine(a); } より // WriteLine(string.Join("\n", list)); が速い // var sw = new StreamWriter(Console.OpenStandardOutput()){AutoFlush = false}; // Console.SetOut(sw); // foreach(var k in list[num-1]){ // WriteLine(k); // } // Console.Out.Flush(); // 未知 // 最小費用流 // 二分探索の理解が浅い
[["-", 8, 196, 0, 7, 15, 16, 12, 16, 17, 33], ["-", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203], ["-", 0, 57, 75, 57, 15, 16, 12, 16, 12, 203], ["+", 0, 57, 75, 57, 15, 16, 12, 16, 12, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
1,936
6
using System; using System.Linq; public class HelloWorld { static long[] A; static long N; static long[] left; static long[] right; static public void Main() { // N = long.Parse(Console.ReadLine()); A = Console.ReadLine().Split().Select(a => long.Parse(a)).ToArray(); left = new long[N]; right = new long[N]; var ans = 1L; lgcd(0); rgcd(N - 1); // Console.WriteLine(String.Join(" ",right)); for (int i = 0; i < N; i++) { long l = 1; long r = 1; //左のループ if (i != 0) { l = left[i - 1]; } //右のループ if (i != N - 1) { r = right[i + 1]; } else { r = l; } // Console.WriteLine('a'); if (i == 0) { l = r; } // Console.WriteLine(l+""+r); var tmp = GCD(l, r); // Console.WriteLine('a'); if (ans < tmp) { ans = tmp; } } Console.WriteLine(ans); } static void lgcd(long n) { if (n == N - 1) { return; } else if (n == 0) { left[n] = A[0]; lgcd(n + 1); return; } else { left[n] = GCD(left[n - 1], A[n]); lgcd(n + 1); return; } } static void rgcd(long n) { if (n == N - 1) { right[n] = A[N - 1]; rgcd(n - 1); return; } else if (n == 0) { return; } else { right[n] = GCD(right[n + 1], A[n]); rgcd(n - 1); return; } } static long GCDP(long s, long g) { var res = A[s]; for (long i = s + 1; i <= g; i++) { res = GCD(res, A[i]); } return res; } static long GCD(long A, long B) { if (A < B) { GCD(B, A); } long r = A % B; while (r != 0) { r = A % B; A = B; B = r; } return A; } }
using System; using System.Linq; public class HelloWorld { static long[] A; static long N; static long[] left; static long[] right; static public void Main() { // N = long.Parse(Console.ReadLine()); A = Console.ReadLine().Split().Select(a => long.Parse(a)).ToArray(); left = new long[N]; right = new long[N]; var ans = 1L; lgcd(0); rgcd(N - 1); // Console.WriteLine(String.Join(" ",right)); for (int i = 0; i < N; i++) { long l = 1; long r = 1; //左のループ if (i != 0) { l = left[i - 1]; } //右のループ if (i != N - 1) { r = right[i + 1]; } else { r = l; } // Console.WriteLine('a'); if (i == 0) { l = r; } // Console.WriteLine(l+""+r); var tmp = GCD(l, r); // Console.WriteLine('a'); if (ans < tmp) { ans = tmp; } } Console.WriteLine(ans); } static void lgcd(long n) { if (n == N - 1) { return; } else if (n == 0) { left[n] = A[0]; lgcd(n + 1); return; } else { left[n] = GCD(left[n - 1], A[n]); lgcd(n + 1); return; } } static void rgcd(long n) { if (n == N - 1) { right[n] = A[N - 1]; rgcd(n - 1); return; } else if (n == 0) { return; } else { right[n] = GCD(right[n + 1], A[n]); rgcd(n - 1); return; } } static long GCDP(long s, long g) { var res = A[s]; for (long i = s + 1; i <= g; i++) { res = GCD(res, A[i]); } return res; } static long GCD(long A, long B) { if (A < B) { GCD(B, A); } long r = A % B; while (A % B != 0) { r = A % B; A = B; B = r; } return B; } }
[["-", 0, 195, 8, 196, 0, 52, 15, 16, 31, 22], ["+", 8, 196, 0, 52, 15, 16, 31, 16, 31, 22], ["+", 8, 196, 0, 52, 15, 16, 31, 16, 17, 109], ["+", 8, 196, 0, 52, 15, 16, 31, 16, 12, 22], ["-", 8, 201, 0, 195, 8, 196, 0, 37, 0, 22], ["+", 8, 201, 0, 195, 8, 196, 0, 37, 0, 22]]
8
510
6
using System; using System.Linq; class C { static void Main() { var n = int.Parse(Console.ReadLine()); var a = Console.ReadLine().Split().Select(int.Parse).ToArray(); var l = new int[n]; var r = new int[n]; l[0] = a[0]; r[n - 1] = a[n - 1]; for (int i = 1; i < n; i++) { l[i] = Gcd(l[i - 1], a[i]); r[n - 1 - i] = Gcd(r[n - i], a[n - 1 - i]); } var M1 = Math.Max(r[1], l[n - 2]); var M2 = Enumerable.Range(1, n - 2).Max(i => Gcd(l[i - 1], r[i + 1])); Console.WriteLine(Math.Max(M1, M2)); } static int Gcd(int x, int y) { for (int r; (r = x % y) > 0; x = y, y = r) ; return y; } }
using System; using System.Linq; class C { static void Main() { var n = int.Parse(Console.ReadLine()); var a = Console.ReadLine().Split().Select(int.Parse).ToArray(); var l = new int[n]; var r = new int[n]; l[0] = a[0]; r[n - 1] = a[n - 1]; for (int i = 1; i < n; i++) { l[i] = Gcd(l[i - 1], a[i]); r[n - 1 - i] = Gcd(r[n - i], a[n - 1 - i]); } var M1 = Math.Max(r[1], l[n - 2]); var M2 = n <= 2 ? 1 : Enumerable.Range(1, n - 2).Max(i => Gcd(l[i - 1], r[i + 1])); Console.WriteLine(Math.Max(M1, M2)); } static int Gcd(int x, int y) { for (int r; (r = x % y) > 0; x = y, y = r) ; return y; } }
[["+", 0, 200, 0, 212, 0, 41, 15, 16, 31, 22], ["+", 0, 200, 0, 212, 0, 41, 15, 16, 17, 19], ["+", 0, 200, 0, 212, 0, 41, 15, 16, 12, 203], ["+", 0, 198, 0, 200, 0, 212, 0, 41, 0, 101], ["+", 0, 198, 0, 200, 0, 212, 0, 41, 64, 203], ["+", 0, 198, 0, 200, 0, 212, 0, 41, 0, 102]]
8
272
6
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using System.Collections; static class Extensions { public static int ToInt(this string s) => int.Parse(s); public static long ToLong(this string s) => long.Parse(s); public static char ToChar(this string s) => char.Parse(s); public static double ToDouble(this string s) => double.Parse(s); public static int[] ToIntArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToInt()).ToArray(); public static long[] ToLongArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToLong()).ToArray(); public static double[] ToDoubleArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToDouble()).ToArray(); public static Queue<T> ToQueue<T>(this IEnumerable<T> seq) => new Queue<T>(seq); public static Stack<T> ToStack<T>(this IEnumerable<T> seq) => new Stack<T>(seq); public static HashSet<T> ToHashSet<T>(this IEnumerable<T> seq) => new HashSet<T>(seq); } static class MyMath { // static private long gcdInner(long a, long b) => (a % b == 0) ? b : // gcdInner(b, a % b); static public long GCD(long a, long b) => (a > b) ? // gcdInner(a, b) : gcdInner(b, a); static public long GCD(long a, long b) => (a < b) ? GCD(b, a) : ((a % b == 0) ? b : GCD(b, a % b)); static public long LCM(long a, long b) => (a > b) ? (a / GCD(a, b) * b) : (b / GCD(a, b) * a); static private readonly long _m = 1000000000 + 7; static public long Mod(long val) => (val % _m + _m) % _m; static private long extGCD(long a, long b, ref long x, ref long y) => (b == 0) ? (a + (x = 1) * 0 + (y = 0) * 0) : (extGCD(b, a % b, ref y, ref x) + (y -= a / b * x) * 0); static public long ModInverse(long a, long dummy1 = 0, long dummy2 = 0) => extGCD(a, _m, ref dummy1, ref dummy2) * 0 + Mod(dummy1); } class Program { static string[] ReadLines(int n) => Enumerable.Range(0, n).Select(s => Console.ReadLine()).ToArray(); static void Main() { int N = int.Parse(Console.ReadLine()); int[] AList = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int[] GCD_Ruiseki_L = new int[N]; int[] GCD_Ruiseki_R = new int[N]; // Lには、i番目よりも左側にある数のGCDをiに入れる。 // Rには、i番目よりも右側にある数のGCDをiに入れる。 for (int i = 1; i < N; i++) { GCD_Ruiseki_L[i] = (int)MyMath.GCD(GCD_Ruiseki_L[i - 1], AList[i - 1]); GCD_Ruiseki_R[N - 1 - i] = (int)MyMath.GCD(GCD_Ruiseki_R[N - 1 - i + 1], AList[N - 1 - i + 1]); } Console.WriteLine(Enumerable.Range(0, N).Max( n => MyMath.GCD(GCD_Ruiseki_R[n], GCD_Ruiseki_L[n]))); } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using System.Collections; static class Extensions { public static int ToInt(this string s) => int.Parse(s); public static long ToLong(this string s) => long.Parse(s); public static char ToChar(this string s) => char.Parse(s); public static double ToDouble(this string s) => double.Parse(s); public static int[] ToIntArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToInt()).ToArray(); public static long[] ToLongArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToLong()).ToArray(); public static double[] ToDoubleArray(this string s) => s.Replace(',', ' ').Split(' ').Select(x => x.ToDouble()).ToArray(); public static Queue<T> ToQueue<T>(this IEnumerable<T> seq) => new Queue<T>(seq); public static Stack<T> ToStack<T>(this IEnumerable<T> seq) => new Stack<T>(seq); public static HashSet<T> ToHashSet<T>(this IEnumerable<T> seq) => new HashSet<T>(seq); } static class MyMath { // static private long gcdInner(long a, long b) => (a % b == 0) ? b : // gcdInner(b, a % b); static public long GCD(long a, long b) => (a < b) ? GCD(b, a) : ((b == 0) ? a : GCD(b, a % b)); static public long LCM(long a, long b) => (a > b) ? (a / GCD(a, b) * b) : (b / GCD(a, b) * a); static private readonly long _m = 1000000000 + 7; static public long Mod(long val) => (val % _m + _m) % _m; static private long extGCD(long a, long b, ref long x, ref long y) => (b == 0) ? (a + (x = 1) * 0 + (y = 0) * 0) : (extGCD(b, a % b, ref y, ref x) + (y -= a / b * x) * 0); static public long ModInverse(long a, long dummy1 = 0, long dummy2 = 0) => extGCD(a, _m, ref dummy1, ref dummy2) * 0 + Mod(dummy1); } class Program { static string[] ReadLines(int n) => Enumerable.Range(0, n).Select(s => Console.ReadLine()).ToArray(); static void Main() { int N = int.Parse(Console.ReadLine()); int[] AList = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); int[] GCD_Ruiseki_L = new int[N]; int[] GCD_Ruiseki_R = new int[N]; // Lには、i番目よりも左側にある数のGCDをiに入れる。 // Rには、i番目よりも右側にある数のGCDをiに入れる。 for (int i = 1; i < N; i++) { GCD_Ruiseki_L[i] = (int)MyMath.GCD(GCD_Ruiseki_L[i - 1], AList[i - 1]); GCD_Ruiseki_R[N - 1 - i] = (int)MyMath.GCD(GCD_Ruiseki_R[N - 1 - i + 1], AList[N - 1 - i + 1]); } Console.WriteLine(Enumerable.Range(0, N).Max( n => MyMath.GCD(GCD_Ruiseki_R[n], GCD_Ruiseki_L[n]))); } }
[["-", 0, 41, 15, 23, 0, 16, 31, 16, 31, 22], ["-", 0, 41, 15, 23, 0, 16, 31, 16, 17, 109], ["-", 8, 306, 0, 41, 75, 23, 0, 41, 64, 22], ["+", 8, 306, 0, 41, 75, 23, 0, 41, 64, 22]]
8
811
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int N = int.Parse(Console.ReadLine()); int[] A = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); // Aの左からインデックスiまでの最大公約数をインデックスiに格納する配列 int[] X1 = new int[N]; X1[0] = A[0]; for (int i = 1; i < N; i++) { X1[i] = GCD(X1[i - 1], A[i]); } // Aの右からインデックスiまでの最大公約数をインデックスiに格納する配列 int[] X2 = new int[N]; X2[N - 1] = A[N - 1]; for (int i = N - 2; i >= 0; i--) { X2[i] = GCD(X2[i + 1], A[i]); } int max = 0; for (int i = 0; i < N; i++) { if (i - 1 < 0) { max = Math.Max(max, X2[i + 1]); } else if (i + 1 > N - 1) { max = Math.Max(max, X1[i - 1]); } else { Math.Max(max, GCD(X1[i - 1], X2[i + 1])); } } Console.WriteLine(max); } static int GCD(int num1, int num2) { if (num1 <= num2) { int tmp = num1; num1 = num2; num2 = tmp; } int rem; Math.DivRem(num1, num2, out rem); if (rem == 0) { return num2; } else { return GCD(num2, rem); } } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int N = int.Parse(Console.ReadLine()); int[] A = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); // Aの左からインデックスiまでの最大公約数をインデックスiに格納する配列 int[] X1 = new int[N]; X1[0] = A[0]; for (int i = 1; i < N; i++) { X1[i] = GCD(X1[i - 1], A[i]); } // Aの右からインデックスiまでの最大公約数をインデックスiに格納する配列 int[] X2 = new int[N]; X2[N - 1] = A[N - 1]; for (int i = N - 2; i >= 0; i--) { X2[i] = GCD(X2[i + 1], A[i]); } int max = 0; for (int i = 0; i < N; i++) { if (i - 1 < 0) { max = Math.Max(max, X2[i + 1]); } else if (i + 1 > N - 1) { max = Math.Max(max, X1[i - 1]); } else { max = Math.Max(max, GCD(X1[i - 1], X2[i + 1])); } } Console.WriteLine(max); } static int GCD(int num1, int num2) { if (num1 <= num2) { int tmp = num1; num1 = num2; num2 = tmp; } int rem; Math.DivRem(num1, num2, out rem); if (rem == 0) { return num2; } else { return GCD(num2, rem); } } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
[["+", 75, 57, 75, 196, 0, 1, 0, 11, 31, 22], ["+", 75, 196, 0, 1, 0, 11, 0, 202, 0, 32]]
8
630
2
using System; using System.Text; using System.Linq; using System.Collections; using System.Collections.Generic; using static System.Console; using static System.Math; using static AtCoder.AtCoderLib; namespace AtCoder { class Program { static void Main(string[] args) { new ABC125().SolveC(new ConsoleInput(Console.In, ' ')); } } public class ConsoleInput { private readonly System.IO.TextReader _stream; private char _separator = ' '; private Queue<string> inputStream; public ConsoleInput(System.IO.TextReader stream, char separator = ' ') { this._separator = separator; this._stream = stream; inputStream = new Queue<string>(); } public string Read { get { if (inputStream.Count != 0) return inputStream.Dequeue(); string[] tmp = _stream.ReadLine().Split(_separator); for (int i = 0; i < tmp.Length; ++i) inputStream.Enqueue(tmp[i]); return inputStream.Dequeue(); } } public string ReadLine { get { return _stream.ReadLine(); } } public int ReadInt { get { return int.Parse(Read); } } public long ReadLong { get { return long.Parse(Read); } } public double ReadDouble { get { return double.Parse(Read); } } public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; } public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; } public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; } } public static class AtCoderLib { // ユークリッドの互除法 public static int Gcd(int a, int b) { if (a < b) // 引数を入替えて自分を呼び出す return Gcd(b, a); while (b != 0) { var remainder = a % b; a = b; b = remainder; } return a; } } class ABC125 { public void SolveC(ConsoleInput cin) { var n = cin.ReadInt; var A = cin.ReadIntArray(n); var gcdList = new int[n]; var newA = A.OrderBy(x => x).ToArray(); gcdList[0] = newA[0]; for (int i = 1; i < n; i++) { gcdList[i] = Gcd(gcdList[i - 1], newA[i]); } var revA = A.OrderByDescending(x => x).ToArray(); var gcdListRev = new int[n]; gcdListRev[0] = revA[0]; for (int i = 1; i < n; i++) { gcdListRev[i] = Gcd(gcdListRev[i - 1], revA[i]); } var resultList = new int[n]; resultList[0] = gcdListRev[n - 2]; for (int i = 1; i < n - 1; i++) { resultList[i] = Gcd(gcdList[i - 1], gcdListRev[i - 1]); } resultList[n - 1] = gcdList[n - 2]; WriteLine(resultList.Max()); ReadLine(); } } }
using System; using System.Text; using System.Linq; using System.Collections; using System.Collections.Generic; using static System.Console; using static System.Math; using static AtCoder.AtCoderLib; namespace AtCoder { class Program { static void Main(string[] args) { new ABC125().SolveC(new ConsoleInput(Console.In, ' ')); } } public class ConsoleInput { private readonly System.IO.TextReader _stream; private char _separator = ' '; private Queue<string> inputStream; public ConsoleInput(System.IO.TextReader stream, char separator = ' ') { this._separator = separator; this._stream = stream; inputStream = new Queue<string>(); } public string Read { get { if (inputStream.Count != 0) return inputStream.Dequeue(); string[] tmp = _stream.ReadLine().Split(_separator); for (int i = 0; i < tmp.Length; ++i) inputStream.Enqueue(tmp[i]); return inputStream.Dequeue(); } } public string ReadLine { get { return _stream.ReadLine(); } } public int ReadInt { get { return int.Parse(Read); } } public long ReadLong { get { return long.Parse(Read); } } public double ReadDouble { get { return double.Parse(Read); } } public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; } public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; } public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; } } public static class AtCoderLib { // ユークリッドの互除法 public static int Gcd(int a, int b) { if (a < b) // 引数を入替えて自分を呼び出す return Gcd(b, a); while (b != 0) { var remainder = a % b; a = b; b = remainder; } return a; } } class ABC125 { public void SolveC(ConsoleInput cin) { var n = cin.ReadInt; var A = cin.ReadIntArray(n); var gcdList = new int[n]; var newA = A.OrderBy(x => x).ToArray(); gcdList[0] = newA[0]; for (int i = 1; i < n; i++) { gcdList[i] = Gcd(gcdList[i - 1], newA[i]); } var revA = A.OrderByDescending(x => x).ToArray(); var gcdListRev = new int[n]; gcdListRev[0] = revA[0]; for (int i = 1; i < n; i++) { gcdListRev[i] = Gcd(gcdListRev[i - 1], revA[i]); } var resultList = new int[n]; resultList[0] = gcdListRev[n - 2]; for (int i = 1; i < n - 1; i++) { resultList[i] = Gcd(gcdList[i - 1], gcdListRev[n - i - 2]); } resultList[n - 1] = gcdList[n - 2]; WriteLine(resultList.Max()); ReadLine(); } } }
[["+", 206, 207, 0, 28, 0, 16, 31, 16, 31, 22], ["+", 206, 207, 0, 28, 0, 16, 31, 16, 17, 33], ["-", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
740
4
using System; using System.Linq; class Program { static int Gcd(int a, int b) { if (a < b) { var t = a; a = b; b = t; } if (b == 0) return a; return Gcd(b, a % b); } static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var inArr = new int[N]; var pref = new int[N]; var suf = new int[N]; var inputs = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); for (var i = 1; i <= N; i++) { inArr[i] = inputs[i - 1]; pref[i] = Gcd(pref[i - 1], inArr[i]); } for (var i = N; i >= 1; i--) { suf[i] = Gcd(suf[i + 1], inArr[i]); } var max = 0; for (var i = 1; i <= N; i++) { max = Math.Max(max, Gcd(pref[i - 1], suf[i + 1])); } Console.WriteLine(max); } }
using System; using System.Linq; class Program { static int Gcd(int a, int b) { if (a < b) { var t = a; a = b; b = t; } if (b == 0) return a; return Gcd(b, a % b); } static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var inArr = new int[N + 2]; var pref = new int[N + 2]; var suf = new int[N + 2]; var inputs = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); for (var i = 1; i <= N; i++) { inArr[i] = inputs[i - 1]; pref[i] = Gcd(pref[i - 1], inArr[i]); } for (var i = N; i >= 1; i--) { suf[i] = Gcd(suf[i + 1], inArr[i]); } var max = 0; for (var i = 1; i <= N; i++) { max = Math.Max(max, Gcd(pref[i - 1], suf[i + 1])); } Console.WriteLine(max); } }
[["+", 0, 227, 39, 224, 225, 226, 0, 16, 17, 72], ["+", 0, 227, 39, 224, 225, 226, 0, 16, 12, 203]]
8
286
6
using System; using static System.Console; using System.Text; using System.Linq; using static System.Math; using System.Collections.Generic; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Program { public static int count = 0; static void Main(string[] args) { var alg = new cp(); var n = alg.inputInt(); var arr = alg.inputSplitInt(); var leftlist = new List<int>(); var rightlist = new List<int>(); for (int a = 0; a < n; a++) { if (a == 0) { leftlist.Add(arr[a]); } else { leftlist.Add(alg.GCD(leftlist[a - 1], arr[a])); } } for (int a = n - 1; a >= 0; a--) { if (a == n - 1) { rightlist.Add(arr[a]); } else { rightlist.Insert(0, alg.GCD(rightlist[a - 1], arr[a])); } } int max = 0; for (int a = 0; a < n; a++) { if (a == 0) { max = Math.Max(max, rightlist[a + 1]); } else if (a == n - 1) { max = Math.Max(max, leftlist[a - 1]); } else { max = Math.Max(max, alg.GCD(leftlist[a - 1], rightlist[a + 1])); } } WriteLine(max); } } class cp { public cp() {} public int GCD(int a, int b) { return a % b == 0 ? b : GCD(b, a % b); } public int LCM(int a, int b) { return a * b / GCD(a, b); } public int countChar(string s, string key) { return s.Length - s.Replace(key, "").Length; } public string YesNo(bool f, string type = null) { string str; if (f) str = "Yes"; else str = "No"; if (type == "lower") return str.ToLower(); else if (type == "upper") return str.ToUpper(); else return str; } public void inputSkip() { ReadLine(); return; } public string inputString() { return ReadLine(); } public string[] inputSplitString() { return ReadLine().Split(); } public string[] inputLinesString(int len) { var arr = new string[len]; for (int a = 0; a < len; a++) { arr[a] = ReadLine(); } return arr; } public string[][] inputJaggedArrayString(int len) { var arr = new string[len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split(); } return arr; } public int inputInt() { return int.Parse(ReadLine()); } public int[] inputSplitInt() { return ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } public int[] inputLinesInt(int len) { var arr = new int[len]; for (int a = 0; a < len; a++) { arr[a] = int.Parse(ReadLine()); } return arr; } public int[][] inputJaggedArrayInt(int len) { var arr = new int [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } return arr; } public long inputLong() { return long.Parse(ReadLine()); } public long[] inputSplitLong() { return ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } public long[] inputLinesLong(int len) { var arr = new long[len]; for (int a = 0; a < len; a++) { arr[a] = long.Parse(ReadLine()); } return arr; } public long[][] inputJaggedArrayLong(int len) { var arr = new long [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } return arr; } public double inputDouble() { return double.Parse(ReadLine()); } public double[] inputSplitDouble() { return ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } public double[] inputLinesDouble(int len) { var arr = new double[len]; for (int a = 0; a < len; a++) { arr[a] = double.Parse(ReadLine()); } return arr; } public double[][] inputJaggedArrayDouble(int len) { var arr = new double [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } return arr; } }
using System; using static System.Console; using System.Text; using System.Linq; using static System.Math; using System.Collections.Generic; using System.Threading.Tasks; using System.IO; using System.Diagnostics; class Program { public static int count = 0; static void Main(string[] args) { var alg = new cp(); var n = alg.inputInt(); var arr = alg.inputSplitInt(); var leftlist = new List<int>(); var rightlist = new List<int>(); for (int a = 0; a < n; a++) { if (a == 0) { leftlist.Add(arr[a]); } else { leftlist.Add(alg.GCD(leftlist[a - 1], arr[a])); } } for (int a = n - 1; a >= 0; a--) { if (a == n - 1) { rightlist.Add(arr[a]); } else { rightlist.Insert(0, alg.GCD(rightlist[0], arr[a])); } } int max = 0; for (int a = 0; a < n; a++) { if (a == 0) { max = Math.Max(max, rightlist[a + 1]); } else if (a == n - 1) { max = Math.Max(max, leftlist[a - 1]); } else { max = Math.Max(max, alg.GCD(leftlist[a - 1], rightlist[a + 1])); } } WriteLine(max); } } class cp { public cp() {} public int GCD(int a, int b) { return a % b == 0 ? b : GCD(b, a % b); } public int LCM(int a, int b) { return a * b / GCD(a, b); } public int countChar(string s, string key) { return s.Length - s.Replace(key, "").Length; } public string YesNo(bool f, string type = null) { string str; if (f) str = "Yes"; else str = "No"; if (type == "lower") return str.ToLower(); else if (type == "upper") return str.ToUpper(); else return str; } public void inputSkip() { ReadLine(); return; } public string inputString() { return ReadLine(); } public string[] inputSplitString() { return ReadLine().Split(); } public string[] inputLinesString(int len) { var arr = new string[len]; for (int a = 0; a < len; a++) { arr[a] = ReadLine(); } return arr; } public string[][] inputJaggedArrayString(int len) { var arr = new string[len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split(); } return arr; } public int inputInt() { return int.Parse(ReadLine()); } public int[] inputSplitInt() { return ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } public int[] inputLinesInt(int len) { var arr = new int[len]; for (int a = 0; a < len; a++) { arr[a] = int.Parse(ReadLine()); } return arr; } public int[][] inputJaggedArrayInt(int len) { var arr = new int [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => int.Parse(i)).ToArray(); } return arr; } public long inputLong() { return long.Parse(ReadLine()); } public long[] inputSplitLong() { return ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } public long[] inputLinesLong(int len) { var arr = new long[len]; for (int a = 0; a < len; a++) { arr[a] = long.Parse(ReadLine()); } return arr; } public long[][] inputJaggedArrayLong(int len) { var arr = new long [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => long.Parse(i)).ToArray(); } return arr; } public double inputDouble() { return double.Parse(ReadLine()); } public double[] inputSplitDouble() { return ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } public double[] inputLinesDouble(int len) { var arr = new double[len]; for (int a = 0; a < len; a++) { arr[a] = double.Parse(ReadLine()); } return arr; } public double[][] inputJaggedArrayDouble(int len) { var arr = new double [len][]; for (int a = 0; a < len; a++) { arr[a] = ReadLine().Split().Select(i => double.Parse(i)).ToArray(); } return arr; } }
[["-", 0, 204, 206, 207, 0, 28, 0, 16, 31, 22], ["-", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["-", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["+", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203]]
8
1,188
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { new Program().Solve(); } void Solve() { Scanner cin = new Scanner(); int N = cin.NextInt(); long[] A = cin.ArrayLong(N); long[] gcd = new long[N + 2]; // gcd[i] is gcd with removing i-th number long[] L = new long[N + 2]; long[] R = new long[N + 2]; L[0] = A[0]; R[N - 1] = A[N - 1]; for (int i = 0; i < N - 1; ++i) { L[i + 1] = CalcGCD(L[i], A[i]); } for (int i = N - 2; 0 <= i; --i) { R[i] = CalcGCD(R[i + 1], A[i]); } long ans = Math.Max(L[N - 2], R[1]); for (int i = 0; i < N - 1; ++i) { long tmp = CalcGCD(L[i - 1], R[i + 1]) /*without i-th*/; // long tmp = Math.Max( // CalcGCD(L[i], R[i + 1])/*without i-th*/, // CalcGCD(L[i], R[i])/*with i-th*/); ans = ans <= tmp ? tmp : ans; } Console.WriteLine(ans); } private long CalcGCD(long a, long b) { if (b == 0) { return a; } if (a == 0) { return b; } if (a < b) { long residual = b % a; return CalcGCD(a, residual); } else { long residual = a % b; return CalcGCD(b, residual); } } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string Next() { if (i < s.Length) return s[i++]; string st = Console.ReadLine(); while (st == "") st = Console.ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); if (s.Length == 0) return Next(); i = 0; return s[i++]; } public int NextInt() { return int.Parse(Next()); } public int[] ArrayInt(int N, int add = 0) { int[] Array = new int[N]; for (int i = 0; i < N; i++) { Array[i] = NextInt() + add; } return Array; } public long NextLong() { return long.Parse(Next()); } public long[] ArrayLong(int N, long add = 0) { long[] Array = new long[N]; for (int i = 0; i < N; i++) { Array[i] = NextLong() + add; } return Array; } public double NextDouble() { return double.Parse(Next()); } public double[] ArrayDouble(int N, double add = 0) { double[] Array = new double[N]; for (int i = 0; i < N; i++) { Array[i] = NextDouble() + add; } return Array; } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { new Program().Solve(); } void Solve() { Scanner cin = new Scanner(); int N = cin.NextInt(); long[] A = cin.ArrayLong(N); long[] gcd = new long[N + 2]; // gcd[i] is gcd with removing i-th number long[] L = new long[N + 2]; long[] R = new long[N + 2]; L[0] = A[0]; R[N - 1] = A[N - 1]; for (int i = 0; i < N - 1; ++i) { L[i + 1] = CalcGCD(L[i], A[i + 1]); } for (int i = N - 2; 0 <= i; --i) { R[i] = CalcGCD(R[i + 1], A[i]); } long ans = Math.Max(L[N - 2], R[1]); for (int i = 1; i < N - 1; ++i) { long tmp = CalcGCD(L[i - 1], R[i + 1]) /*without i-th*/; // long tmp = Math.Max( // CalcGCD(L[i], R[i + 1])/*without i-th*/, // CalcGCD(L[i], R[i])/*with i-th*/); ans = ans <= tmp ? tmp : ans; } Console.WriteLine(ans); } private long CalcGCD(long a, long b) { if (b == 0) { return a; } if (a == 0) { return b; } if (a < b) { long residual = b % a; return CalcGCD(a, residual); } else { long residual = a % b; return CalcGCD(b, residual); } } } class Scanner { string[] s; int i; char[] cs = new char[] { ' ' }; public Scanner() { s = new string[0]; i = 0; } public string Next() { if (i < s.Length) return s[i++]; string st = Console.ReadLine(); while (st == "") st = Console.ReadLine(); s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries); if (s.Length == 0) return Next(); i = 0; return s[i++]; } public int NextInt() { return int.Parse(Next()); } public int[] ArrayInt(int N, int add = 0) { int[] Array = new int[N]; for (int i = 0; i < N; i++) { Array[i] = NextInt() + add; } return Array; } public long NextLong() { return long.Parse(Next()); } public long[] ArrayLong(int N, long add = 0) { long[] Array = new long[N]; for (int i = 0; i < N; i++) { Array[i] = NextLong() + add; } return Array; } public double NextDouble() { return double.Parse(Next()); } public double[] ArrayDouble(int N, double add = 0) { double[] Array = new double[N]; for (int i = 0; i < N; i++) { Array[i] = NextDouble() + add; } return Array; } }
[["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 72], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["-", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203], ["+", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203]]
8
730
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { var sc = new Scanner(); int n = sc.NextInt(); long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = sc.NextLong(); long[] l = new long[n + 1]; long[] r = new long[n + 1]; l[1] = a[0]; r[n - 1] = a[n - 1]; for (int i = 2; i <= n; i++) { l[i] = Gcd(l[i - 1], a[i - 1]); r[n - i] = Gcd(r[n - i + 1], a[n - i]); } long ans = 0; for (int i = 0; i < n - 1; i++) { long g = Gcd(l[i], r[i + 1]); if (g > ans) ans = g; } Console.WriteLine(ans); } static long Gcd(long a, long b) { if (a < b) return Gcd(b, a); if (b == 0) return a; return Gcd(b, a % b); } } class Scanner { int index = -1; string[] buf; public Scanner() {} public int NextInt() { CheckNext(); return int.Parse(buf[index++]); } public long NextLong() { CheckNext(); return long.Parse(buf[index++]); } public double NextDouble() { CheckNext(); return double.Parse(buf[index++]); } public string NextString() { CheckNext(); return buf[index++]; } private void CheckNext() { if (index >= 0 && index < buf.Length) return; buf = Console.ReadLine().Split(' '); index = 0; } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; class Program { static void Main(string[] args) { var sc = new Scanner(); int n = sc.NextInt(); long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = sc.NextLong(); long[] l = new long[n + 1]; long[] r = new long[n + 1]; l[1] = a[0]; r[n - 1] = a[n - 1]; for (int i = 2; i <= n; i++) { l[i] = Gcd(l[i - 1], a[i - 1]); r[n - i] = Gcd(r[n - i + 1], a[n - i]); } long ans = 0; for (int i = 0; i < n; i++) { long g = Gcd(l[i], r[i + 1]); if (g > ans) ans = g; } Console.WriteLine(ans); } static long Gcd(long a, long b) { if (a < b) return Gcd(b, a); if (b == 0) return a; return Gcd(b, a % b); } } class Scanner { int index = -1; string[] buf; public Scanner() {} public int NextInt() { CheckNext(); return int.Parse(buf[index++]); } public long NextLong() { CheckNext(); return long.Parse(buf[index++]); } public double NextDouble() { CheckNext(); return double.Parse(buf[index++]); } public string NextString() { CheckNext(); return buf[index++]; } private void CheckNext() { if (index >= 0 && index < buf.Length) return; buf = Console.ReadLine().Split(' '); index = 0; } }
[["-", 8, 196, 0, 7, 15, 16, 12, 16, 17, 33], ["-", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203]]
8
460
2
using System; using System.Collections.Generic; using System.Linq; using static System.Console; public static partial class Program { public static void Main() { var n = CRL().ToInt(); var ais = CRL().ArrayInts(); var lgcd = new int[n - 1]; var rgcd = new int[n - 1]; //最初に最初を入れる lgcd[0] = ais[0]; for (int i = 1; i < n - 1; i++) { lgcd[i] = GCD(lgcd[i - 1], ais[i]); } //最後に最後を入れる rgcd[rgcd.Length - 1] = ais[n - 1]; for (int i = 1; i < n - 1; i++) { rgcd[n - i - 2] = GCD(rgcd[n - i - 1], ais[n - i]); } var max = rgcd[0]; for (int i = 0; i < n - 1; i++) { max = Math.Max(max, GCD(lgcd[i], rgcd[i])); } max = Math.Max(max, lgcd[lgcd.Length - 1]); CWL(max); } } public static partial class Program { //テンプレここから public static long GCD(long a, long b) => b == 0 ? a : GCD(b, a % b); public static int GCD(int a, int b) => b == 0 ? a : GCD(b, a % b); public static long LCM(long a, long b) => a * b / GCD(a, b); public static int LCM(int a, int b) => a * b / GCD(a, b); public static int ToInt(this double d) => (int)d; public static long ToLong(this double d) => (long)d; public static int ToInt(this string str) => int.Parse(str); public static long ToLong(this string str) => long.Parse(str); public static long[] ToLong(this IEnumerable<string> strs) => strs.Select(x => x.ToLong()).ToArray(); public static int[] ToInt(this IEnumerable<string> strs) => strs.Select(x => x.ToInt()).ToArray(); public static long[] ArrayLongs(this string str, char opr = ' ') => str.Split(opr).ToLong(); public static int[] ArrayInts(this string str, char opr = ' ') => str.Split(opr).ToInt(); public static string CRL() => Console.ReadLine(); public static string RL() => ReadLine(); public static void CWL(object obj) => Console.WriteLine(obj); public static void WL(object obj) => WriteLine(obj); public static long Diff(long a, long b) => Math.Abs(Math.Max(a, b) - Math.Min(a, b)); public static int Diff(int a, int b) => Math.Abs(Math.Max(a, b) - Math.Min(a, b)); public static long Sign(this long i) => Math.Sign(i); public static bool IsEven(this long i) => i % 2 == 0; public static bool IsEven(this int i) => i % 2 == 0; public static long[] dx = new long[] { 0, -1, 0, 1 }; public static long[] dy = new long[] { -1, 0, 1, 0 }; public static long mod = 1000000007; public static string alphabet = "abcdefghijklmnopqrstuvwxyz"; public static long ToLong(this char c) => c.ToString().ToInt(); public static long[] Sort(this long[] array) => array.OrderBy(x => x).ToArray(); public static int[] Sort(this int[] array) => array.OrderBy(x => x).ToArray(); public static long[] DSort(this long[] array) => array.OrderByDescending(x => x).ToArray(); public static int[] DSort(this int[] array) => array.OrderByDescending(x => x).ToArray(); public static string Join(this IEnumerable<string> array, string sep = "") => string.Join(sep, array); public static string Join(this IEnumerable<char> array, string sep = "") => string.Join(sep, array); //テンプレここまで }
using System; using System.Collections.Generic; using System.Linq; using static System.Console; public static partial class Program { public static void Main() { var n = CRL().ToInt(); var ais = CRL().ArrayInts(); var lgcd = new int[n - 1]; var rgcd = new int[n - 1]; //最初に最初を入れる lgcd[0] = ais[0]; for (int i = 1; i < n - 1; i++) { lgcd[i] = GCD(lgcd[i - 1], ais[i]); } //最後に最後を入れる rgcd[rgcd.Length - 1] = ais[n - 1]; for (int i = 1; i < n - 1; i++) { rgcd[n - i - 2] = GCD(rgcd[n - i - 1], ais[n - i - 1]); } var max = rgcd[0]; for (int i = 1; i < n - 1; i++) { max = Math.Max(max, GCD(lgcd[i - 1], rgcd[i])); } max = Math.Max(max, lgcd[lgcd.Length - 1]); CWL(max); } } public static partial class Program { //テンプレここから public static long GCD(long a, long b) => b == 0 ? a : GCD(b, a % b); public static int GCD(int a, int b) => b == 0 ? a : GCD(b, a % b); public static long LCM(long a, long b) => a * b / GCD(a, b); public static int LCM(int a, int b) => a * b / GCD(a, b); public static int ToInt(this double d) => (int)d; public static long ToLong(this double d) => (long)d; public static int ToInt(this string str) => int.Parse(str); public static long ToLong(this string str) => long.Parse(str); public static long[] ToLong(this IEnumerable<string> strs) => strs.Select(x => x.ToLong()).ToArray(); public static int[] ToInt(this IEnumerable<string> strs) => strs.Select(x => x.ToInt()).ToArray(); public static long[] ArrayLongs(this string str, char opr = ' ') => str.Split(opr).ToLong(); public static int[] ArrayInts(this string str, char opr = ' ') => str.Split(opr).ToInt(); public static string CRL() => Console.ReadLine(); public static string RL() => ReadLine(); public static void CWL(object obj) => Console.WriteLine(obj); public static void WL(object obj) => WriteLine(obj); public static long Diff(long a, long b) => Math.Abs(Math.Max(a, b) - Math.Min(a, b)); public static int Diff(int a, int b) => Math.Abs(Math.Max(a, b) - Math.Min(a, b)); public static long Sign(this long i) => Math.Sign(i); public static bool IsEven(this long i) => i % 2 == 0; public static bool IsEven(this int i) => i % 2 == 0; public static long[] dx = new long[] { 0, -1, 0, 1 }; public static long[] dy = new long[] { -1, 0, 1, 0 }; public static long mod = 1000000007; public static string alphabet = "abcdefghijklmnopqrstuvwxyz"; public static long ToLong(this char c) => c.ToString().ToInt(); public static long[] Sort(this long[] array) => array.OrderBy(x => x).ToArray(); public static int[] Sort(this int[] array) => array.OrderBy(x => x).ToArray(); public static long[] DSort(this long[] array) => array.OrderByDescending(x => x).ToArray(); public static int[] DSort(this int[] array) => array.OrderByDescending(x => x).ToArray(); public static string Join(this IEnumerable<string> array, string sep = "") => string.Join(sep, array); public static string Join(this IEnumerable<char> array, string sep = "") => string.Join(sep, array); //テンプレここまで }
[["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203], ["-", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203], ["+", 0, 7, 10, 198, 0, 200, 0, 212, 0, 203]]
8
977
6
using System; using System.Collections.Generic; using System.Linq; namespace ConsoleApp3 { class Program { static long gcd(long A, long B) { while (B > 0) { var c = A % B; A = B; B = c; } return A; } static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var A = Console.ReadLine().Split(' ').Select((c => int.Parse(c))).ToArray(); var L = new long[N + 1]; var R = new long[N + 1]; L[0] = A[0]; R[N - 1] = A[N - 1]; for (int i = 1; i < N - 1; i++) { L[i] = gcd(L[0], A[i]); R[N - i - 1] = gcd(R[N - i], A[N - i - 1]); } long ans = 0; for (int i = 0; i < N; i++) { if (i == 0) { ans = Math.Max(ans, R[i + 1]); } else if (i == N - 1) { ans = Math.Max(ans, L[i - 1]); } else { ans = Math.Max(ans, gcd(L[i - 1], R[i + 1])); } } Console.WriteLine(ans); } } }
using System; using System.Collections.Generic; using System.Linq; namespace ConsoleApp3 { class Program { static long gcd(long A, long B) { while (B > 0) { var c = A % B; A = B; B = c; } return A; } static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var A = Console.ReadLine().Split(' ').Select((c => int.Parse(c))).ToArray(); var L = new long[N + 1]; var R = new long[N + 1]; L[0] = A[0]; R[N - 1] = A[N - 1]; for (int i = 1; i < N - 1; i++) { L[i] = gcd(L[i - 1], A[i]); R[N - i - 1] = gcd(R[N - i], A[N - i - 1]); } long ans = 0; for (int i = 0; i < N; i++) { if (i == 0) { ans = Math.Max(ans, R[i + 1]); } else if (i == N - 1) { ans = Math.Max(ans, L[i - 1]); } else { ans = Math.Max(ans, gcd(L[i - 1], R[i + 1])); } } Console.WriteLine(ans); } } }
[["-", 0, 28, 0, 204, 206, 207, 0, 28, 0, 203], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 31, 22], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 17, 33], ["+", 0, 204, 206, 207, 0, 28, 0, 16, 12, 203]]
8
338
4
using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Text; using System.Threading.Tasks; using System.Globalization; using System.Collections; namespace Atcoder { class Pair { public int x; public int y; public Pair(int X, int Y) { x = X; y = Y; } } class Program { static void Main(string[] args) { StreamScanner scan = new StreamScanner(System.Console.OpenStandardInput()); int n = scan.Integer(); long[] A = scan.Long(n); Array.Sort(A); int minuses = 0; long Abssum = 0; long buf = long.MaxValue; for (int i = 0; i < n; i++) { if (A[i] < 0) { minuses++; minuses %= 2; Abssum -= A[i]; } else if (A[i] == 0) { minuses = 0; } else { Abssum += A[i]; } if (Math.Abs(buf) > Math.Abs(A[i])) { buf = A[i]; } } if (minuses == 1) { Abssum -= 2 * buf; } Console.WriteLine(Abssum); } static int solve(int[][] s, int k, int defkaisu) { int w = s[0].Length; int h = s.GetLength(0); int[] buf = new int[h]; int kaisu = defkaisu; bool done = false; for (int j = 0; j < w; j++) { done = false; for (int i = 0; i < h; i++) { if (done) { continue; } if (s[i][j] > k) { return int.MaxValue; } if (j > 0) { if (buf[i] + s[i][j] > k) { for (int l = 0; l < h; l++) { buf[l] = s[l][j]; } kaisu++; done = true; } else { buf[i] += s[i][j]; } } else { for (int l = 0; l < h; l++) { buf[l] = s[l][j]; } } // j=0で↑をやり過ごしているならカットは不要 } } return kaisu; } static long Syakutori( int[] a, long k) //しゃくとり法モデル:連続部分列に含まれるすべての要素の値の和がK以上 { long sum = 0; int right = 0; long ans = 0; for (int left = 0; left < a.Length; left++) { while (right < a.Length && sum < k) { sum += a[right]; right++; } if (k <= sum) { ans += a.Length - right + 1; } if (left == right) { right++; } else { sum -= a[left]; } } return ans; } static int[] zalgo(String s) { int n = s.Length; int[] ret = new int[n]; ret[0] = n; int i = 1, j = 0; while (i < n) { while (i + j < n && s[j] == s[i + j]) ++j; ret[i] = j; if (j == 0) { ++i; continue; } int k = 1; while (i + k < n && k + ret[k] < j) { ret[i + k] = ret[k]; ++k; } i += k; j -= k; } return ret; } static int gcd(int a, int b) { if (a % b == 0) { return b; } return gcd(b, a % b); } static int[] yousogotoplus(int[] a, int[] b) { int[] c = new int[a.Length]; for (int i = 0; i < a.Length; i++) { c[i] = a[i] + b[i]; } return c; } static int[] yousogotoplus(int[] a, int[,] b, int l) { int[] c = new int[a.Length]; for (int i = 0; i < a.Length; i++) { c[i] = a[i] + b[l, i]; } return c; } static int[] yousogotoplus(int[,] a, int l) { int[] c = new int[a.GetLength(1)]; for (int i = 0; i < a.GetLength(1); i++) { c[i] = a[l, i]; } return c; } static long solve(int mae, int ushiro, long[,] dp, int[] a, bool taro) { if (dp[mae, ushiro] > long.MinValue) { return dp[mae, ushiro]; } if (ushiro - mae == 1) { if (taro) { dp[mae, ushiro] = a[mae]; return dp[mae, ushiro]; } else { dp[mae, ushiro] = -a[mae]; return dp[mae, ushiro]; } } if (taro) { long max = Math.Max(a[mae] + solve(mae + 1, ushiro, dp, a, !taro), a[ushiro - 1] + solve(mae, ushiro - 1, dp, a, !taro)); dp[mae, ushiro] = max; return dp[mae, ushiro]; } else { long min = Math.Min(-a[mae] + solve(mae + 1, ushiro, dp, a, !taro), -a[ushiro - 1] + solve(mae, ushiro - 1, dp, a, !taro)); dp[mae, ushiro] = min; return dp[mae, ushiro]; } } static int nibutan(int med, int[] a) // med以上が何個あるか { int mae = 0; int ato = a.Length; while (true) { if (ato - mae <= 1) { return mae; } int mid = (mae + ato) / 2; if (a[mid] > med) { ato = mid; } if (a[mid] <= med) { mae = mid; } } } static int binary_search(int key, int[] moto) { int ng = -1; int ok = moto.Length; while (Math.Abs(ok - ng) > 1) { int mid = (ok + ng) / 2; if (isOK(mid, key, moto)) { ok = mid; } else { ng = mid; } } return ok; } static bool isOK(int index, int key, int[] moto) { return moto[index] >= key; } public static int h; public static int w; public static int BFS(int height, int width, char[,] map) { int[] dx = new int[] { -1, 0, 0, 1 }; int[] dy = new int[] { 0, 1, -1, 0 }; bool[,] visited = new bool[h, w]; int[,] len = new int[h, w]; var queue = new Queue<Tuple<int, int>>(); queue.Enqueue(new Tuple<int, int>(height, width)); int max = 0; visited[height, width] = true; while (queue.Count > 0) { var now = queue.Dequeue(); for (int i = 0; i < 4; i++) { int ny = now.Item1 + dy[i]; int nx = now.Item2 + dx[i]; if (ny >= h || ny < 0 || nx >= w || nx < 0) continue; if (visited[ny, nx] || map[ny, nx] == '#') continue; visited[ny, nx] = true; len[ny, nx] = len[now.Item1, now.Item2] + 1; max = Math.Max(max, len[ny, nx]); queue.Enqueue(new Tuple<int, int>(ny, nx)); } } return max; } } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } private readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; public bool IsEndOfStream { get { return isEof; } } private byte read() { if (isEof) throw new EndOfStreamException(); if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while (b < 33 || 126 < b); return (char)b; } public char[] Char(int n) { char[] kore = new char[n]; for (int i = 0; i < n; i++) { kore[i] = Char(); } return kore; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public long Long() { long ret = 0; byte b = 0; var ng = false; do b = read(); while (b != '-' && (b < '0' || '9' < b)); if (b == '-') { ng = true; b = read(); } for (; true; b = read()) { if (b < '0' || '9' < b) return ng ? -ret : ret; else ret = ret * 10 + b - '0'; } } public long[] Long(int n) { long[] kore = new long[n]; for (int i = 0; i < n; i++) { kore[i] = Long(); } return kore; } public int Integer() { return (int)Long(); } public int[] Integer(int n) { int[] kore = new int[n]; for (int i = 0; i < n; i++) { kore[i] = (int)Long(); } return kore; } public int[,] Integer(int h, int w) { int[,] kore = new int[h, w]; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { kore[i, j] = (int)Long(); } } return kore; } public int[] StringToInt(int n) { char[] s = Scan().ToCharArray(); int[] kore = new int[n]; for (int i = 0; i < n; i++) { kore[i] = s[i] - '0'; } return kore; } public int[,] StringToInt(int h, int w) { int[,] kore = new int[h, w]; for (int i = 0; i < h; i++) { char[] s = Scan().ToCharArray(); for (int j = 0; j < w; j++) { kore[i, j] = s[j] - '0'; } } return kore; } public double Double() { return double.Parse(Scan(), CultureInfo.InvariantCulture); } } public class UnionFind { public int[] data; public UnionFind(int size) { data = new int[size]; for (int i = 0; i < size; i++) data[i] = -1; } public bool Unite(int x, int y) { x = Root(x); y = Root(y); if (x != y) { if (data[y] < data[x]) { var tmp = y; y = x; x = tmp; } data[x] += data[y]; data[y] = x; } return x != y; } public bool IsSameGroup(int x, int y) { return Root(x) == Root(y); } public int Root(int x) { return data[x] < 0 ? x : data[x] = Root(data[x]); } } public class Mlong { private static long mod = 1000000007; public long num; public Mlong(long num) { this.num = num; } public override int GetHashCode() { return num.GetHashCode(); } public override bool Equals(object obj) { return num.Equals(obj); } public static Mlong operator +(Mlong x, Mlong y) { return new Mlong((x.num + y.num) % mod); } public static Mlong operator -(Mlong x, Mlong y) { return new Mlong((x.num - y.num + mod) % mod); } public static Mlong operator *(Mlong x, Mlong y) { return new Mlong((long)(((1L * x.num) * y.num) % mod)); } public Mlong hutujyo(Mlong x) { return new Mlong(num / x.num); } public Mlong modjyo(Mlong x) { return num * x.Pow(mod - 2); } public static implicit operator Mlong(long x) { return new Mlong(x); } public static Mlong operator %(Mlong x, Mlong y) { return new Mlong(x.num % y.num); } public static bool operator ==(Mlong x, Mlong y) { return x.num == y.num; } public static bool operator !=(Mlong x, Mlong y) { return x.num != y.num; } public static bool operator<(Mlong x, Mlong y) { return x.num < y.num; } public static bool operator>(Mlong x, Mlong y) { return x.num > y.num; } public static bool operator <=(Mlong x, Mlong y) { return x.num <= y.num; } public static bool operator >=(Mlong x, Mlong y) { return x.num >= y.num; } public Mlong Pow(Mlong n) { if (n == 1) { return this % mod; } if (n % 2 == 1) { return (this * Pow(n - 1)) % mod; } Mlong buf = Pow(n.hutujyo(2)); return (buf * buf) % mod; } public static Mlong Pow(Mlong a, Mlong n) { return a.Pow(n); } public static Mlong Comb(Mlong n, Mlong a) { Mlong buf1 = 1; Mlong buf2 = 1; for (long i = 0; i < a; i++) { buf1 *= n - i; buf2 *= (i + 1); } return buf1.modjyo(buf2); } public static void WriteLine(Mlong x) { Console.WriteLine(x.num); } } public class Mint { private static int mod = 1000000007; public int num; public Mint(int Num) { num = Num; } public override int GetHashCode() { return num.GetHashCode(); } public override bool Equals(object obj) { return num.Equals(obj); } public static Mint operator +(Mint x, Mint y) { return new Mint((x.num + y.num) % mod); } public static Mint operator -(Mint x, Mint y) { return new Mint((x.num - y.num + mod) % mod); } public static Mint operator *(Mint x, Mint y) { return new Mint((int)(((1L * x.num) * y.num) % mod)); } public Mint hutujyo(Mint x) { return new Mint(num / x.num); } public Mint modjyo(Mint x) { return num * x.Pow(mod - 2); } public static implicit operator Mint(int x) { return new Mint(x); } public static Mint[] Toarray(int[] x) { Mint[] buf = new Mint[x.Length]; for (int i = 0; i < x.Length; i++) { buf[i] = x[i]; } return buf; } public static explicit operator int(Mint x) { return x.num; } public static Mint operator %(Mint x, Mint y) { return new Mint(x.num % y.num); } public static bool operator ==(Mint x, Mint y) { return x.num == y.num; } public static bool operator !=(Mint x, Mint y) { return x.num != y.num; } public static bool operator<(Mint x, Mint y) { return x.num < y.num; } public static bool operator>(Mint x, Mint y) { return x.num > y.num; } public static bool operator <=(Mint x, Mint y) { return x.num <= y.num; } public static bool operator >=(Mint x, Mint y) { return x.num >= y.num; } public Mint Pow(Mint n) { if (n == 1) { return this % mod; } if (n % 2 == 1) { return (this * Pow(n - 1)) % mod; } Mint buf = Pow(n.hutujyo(2)); return (buf * buf) % mod; } public static Mint Pow(Mint a, Mint n) { return a.Pow(n); } public static Mint Comb(Mint n, Mint a) { Mint buf1 = 1; Mint buf2 = 1; for (int i = 0; i < a; i++) { buf1 *= n - i; buf2 *= (i + 1); } return buf1.modjyo(buf2); } public static void WriteLine(Mint x) { Console.WriteLine(x.num); } } public class PriorityQueue<T> : IEnumerable<T> { private readonly List<T> _data = new List<T>(); private readonly IComparer<T> _comparer; private readonly bool _isDescending; public PriorityQueue(IComparer<T> comparer, bool isDescending = true) { _comparer = comparer; _isDescending = isDescending; } public PriorityQueue(Comparison<T> comparison, bool isDescending = true) : this(Comparer<T>.Create(comparison), isDescending) {} public PriorityQueue(bool isDescending = true) : this(Comparer<T>.Default, isDescending) {} public void Enqueue(T item) { _data.Add(item); var childIndex = _data.Count - 1; while (childIndex > 0) { var parentIndex = (childIndex - 1) / 2; if (Compare(_data[childIndex], _data[parentIndex]) >= 0) break; Swap(childIndex, parentIndex); childIndex = parentIndex; } } public T Dequeue() { var lastIndex = _data.Count - 1; var firstItem = _data[0]; _data[0] = _data[lastIndex]; _data.RemoveAt(lastIndex--); var parentIndex = 0; while (true) { var childIndex = parentIndex * 2 + 1; if (childIndex > lastIndex) break; var rightChild = childIndex + 1; if (rightChild <= lastIndex && Compare(_data[rightChild], _data[childIndex]) < 0) childIndex = rightChild; if (Compare(_data[parentIndex], _data[childIndex]) <= 0) break; Swap(parentIndex, childIndex); parentIndex = childIndex; } return firstItem; } public T Peek() { return _data[0]; } private void Swap(int a, int b) { var tmp = _data[a]; _data[a] = _data[b]; _data[b] = tmp; } private int Compare(T a, T b) { return _isDescending ? _comparer.Compare(b, a) : _comparer.Compare(a, b); } public int Count => _data.Count; public IEnumerator<T> GetEnumerator() { return _data.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); } /// <summary> /// Self-Balancing Binary Search Tree /// (using Randamized BST) /// </summary> public class SB_BinarySearchTree<T> where T : IComparable { public class Node { public T Value; public Node LChild; public Node RChild; public int Count; // size of the sub tree public Node(T v) { Value = v; Count = 1; } } static Random _rnd = new Random(); public static int Count(Node t) { return t == null ? 0 : t.Count; } static Node Update(Node t) { t.Count = Count(t.LChild) + Count(t.RChild) + 1; return t; } public static Node Merge(Node l, Node r) { if (l == null || r == null) return l == null ? r : l; if ((double)Count(l) / (double)(Count(l) + Count(r)) > _rnd.NextDouble()) { l.RChild = Merge(l.RChild, r); return Update(l); } else { r.LChild = Merge(l, r.LChild); return Update(r); } } /// <summary> /// split as [0, k), [k, n) /// </summary> public static Tuple<Node, Node> Split(Node t, int k) { if (t == null) return new Tuple<Node, Node>(null, null); if (k <= Count(t.LChild)) { var s = Split(t.LChild, k); t.LChild = s.Item2; return new Tuple<Node, Node>(s.Item1, Update(t)); } else { var s = Split(t.RChild, k - Count(t.LChild) - 1); t.RChild = s.Item1; return new Tuple<Node, Node>(Update(t), s.Item2); } } public static Node Remove(Node t, T v) { if (Find(t, v) == null) return t; return RemoveAt(t, LowerBound(t, v)); } public static Node RemoveAt(Node t, int k) { var s = Split(t, k); var s2 = Split(s.Item2, 1); return Merge(s.Item1, s2.Item2); } public static bool Contains(Node t, T v) { return Find(t, v) != null; } public static Node Find(Node t, T v) { while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp > 0) t = t.LChild; else if (cmp < 0) t = t.RChild; else break; } return t; } public static Node FindByIndex(Node t, int idx) { if (t == null) return null; var currentIdx = Count(t) - Count(t.RChild) - 1; while (t != null) { if (currentIdx == idx) return t; if (currentIdx > idx) { t = t.LChild; currentIdx -= (Count(t == null ? null : t.RChild) + 1); } else { t = t.RChild; currentIdx += (Count(t == null ? null : t.LChild) + 1); } } return null; } public static int UpperBound(Node t, T v) { var torg = t; if (t == null) return -1; var ret = Int32.MaxValue; var idx = Count(t) - Count(t.RChild) - 1; while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp > 0) { ret = Math.Min(ret, idx); t = t.LChild; idx -= (Count(t == null ? null : t.RChild) + 1); } else if (cmp <= 0) { t = t.RChild; idx += (Count(t == null ? null : t.LChild) + 1); } } return ret == Int32.MaxValue ? Count(torg) : ret; } public static int LowerBound(Node t, T v) { var torg = t; if (t == null) return -1; var idx = Count(t) - Count(t.RChild) - 1; var ret = Int32.MaxValue; while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp >= 0) { if (cmp == 0) ret = Math.Min(ret, idx); t = t.LChild; if (t == null) ret = Math.Min(ret, idx); idx -= t == null ? 0 : (Count(t.RChild) + 1); } else if (cmp < 0) { t = t.RChild; idx += (Count(t == null ? null : t.LChild) + 1); if (t == null) return idx; } } // return ret; return ret == Int32.MaxValue ? Count(torg) : ret; } public static Node Insert(Node t, T v) { var ub = LowerBound(t, v); return InsertByIdx(t, ub, v); } static Node InsertByIdx(Node t, int k, T v) { var s = Split(t, k); return Merge(Merge(s.Item1, new Node(v)), s.Item2); } public static IEnumerable<T> Enumerate(Node t) { var ret = new List<T>(); Enumerate(t, ret); return ret; } static void Enumerate(Node t, List<T> ret) { if (t == null) return; Enumerate(t.LChild, ret); ret.Add(t.Value); Enumerate(t.RChild, ret); } } /// <summary> /// C-like set /// </summary> public class Set<T> where T : IComparable { protected SB_BinarySearchTree<T>.Node _root; public T this[int idx] { get { return ElementAt(idx); } } public int Count() { return SB_BinarySearchTree<T>.Count(_root); } public virtual void Insert(T v) { if (_root == null) _root = new SB_BinarySearchTree<T>.Node(v); else { if (SB_BinarySearchTree<T>.Find(_root, v) != null) return; _root = SB_BinarySearchTree<T>.Insert(_root, v); } } public void Clear() { _root = null; } public void Remove(T v) { _root = SB_BinarySearchTree<T>.Remove(_root, v); } public bool Contains(T v) { return SB_BinarySearchTree<T>.Contains(_root, v); } public T ElementAt(int k) { var node = SB_BinarySearchTree<T>.FindByIndex(_root, k); if (node == null) throw new IndexOutOfRangeException(); return node.Value; } public int Count(T v) { return SB_BinarySearchTree<T>.UpperBound(_root, v) - SB_BinarySearchTree<T>.LowerBound(_root, v); } public int LowerBound(T v) { return SB_BinarySearchTree<T>.LowerBound(_root, v); } public int UpperBound(T v) { return SB_BinarySearchTree<T>.UpperBound(_root, v); } public Tuple<int, int> EqualRange(T v) { if (!Contains(v)) return new Tuple<int, int>(-1, -1); return new Tuple<int, int>(SB_BinarySearchTree<T>.LowerBound(_root, v), SB_BinarySearchTree<T>.UpperBound(_root, v) - 1); } public List<T> ToList() { return new List<T>(SB_BinarySearchTree<T>.Enumerate(_root)); } } /// <summary> /// C-like multiset /// </summary> public class MultiSet<T> : Set<T> where T : IComparable { public override void Insert(T v) { if (_root == null) _root = new SB_BinarySearchTree<T>.Node(v); else _root = SB_BinarySearchTree<T>.Insert(_root, v); } } }
using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Text; using System.Threading.Tasks; using System.Globalization; using System.Collections; namespace Atcoder { class Pair { public int x; public int y; public Pair(int X, int Y) { x = X; y = Y; } } class Program { static void Main(string[] args) { StreamScanner scan = new StreamScanner(System.Console.OpenStandardInput()); int n = scan.Integer(); long[] A = scan.Long(n); Array.Sort(A); int minuses = 0; long Abssum = 0; long buf = long.MaxValue; for (int i = 0; i < n; i++) { if (A[i] < 0) { minuses++; minuses %= 2; Abssum -= A[i]; } else if (A[i] == 0) { minuses = 0; } else { Abssum += A[i]; } if (Math.Abs(buf) > Math.Abs(A[i])) { buf = A[i]; } } if (minuses == 1) { Abssum -= 2 * Math.Abs(buf); } Console.WriteLine(Abssum); } static int solve(int[][] s, int k, int defkaisu) { int w = s[0].Length; int h = s.GetLength(0); int[] buf = new int[h]; int kaisu = defkaisu; bool done = false; for (int j = 0; j < w; j++) { done = false; for (int i = 0; i < h; i++) { if (done) { continue; } if (s[i][j] > k) { return int.MaxValue; } if (j > 0) { if (buf[i] + s[i][j] > k) { for (int l = 0; l < h; l++) { buf[l] = s[l][j]; } kaisu++; done = true; } else { buf[i] += s[i][j]; } } else { for (int l = 0; l < h; l++) { buf[l] = s[l][j]; } } // j=0で↑をやり過ごしているならカットは不要 } } return kaisu; } static long Syakutori( int[] a, long k) //しゃくとり法モデル:連続部分列に含まれるすべての要素の値の和がK以上 { long sum = 0; int right = 0; long ans = 0; for (int left = 0; left < a.Length; left++) { while (right < a.Length && sum < k) { sum += a[right]; right++; } if (k <= sum) { ans += a.Length - right + 1; } if (left == right) { right++; } else { sum -= a[left]; } } return ans; } static int[] zalgo(String s) { int n = s.Length; int[] ret = new int[n]; ret[0] = n; int i = 1, j = 0; while (i < n) { while (i + j < n && s[j] == s[i + j]) ++j; ret[i] = j; if (j == 0) { ++i; continue; } int k = 1; while (i + k < n && k + ret[k] < j) { ret[i + k] = ret[k]; ++k; } i += k; j -= k; } return ret; } static int gcd(int a, int b) { if (a % b == 0) { return b; } return gcd(b, a % b); } static int[] yousogotoplus(int[] a, int[] b) { int[] c = new int[a.Length]; for (int i = 0; i < a.Length; i++) { c[i] = a[i] + b[i]; } return c; } static int[] yousogotoplus(int[] a, int[,] b, int l) { int[] c = new int[a.Length]; for (int i = 0; i < a.Length; i++) { c[i] = a[i] + b[l, i]; } return c; } static int[] yousogotoplus(int[,] a, int l) { int[] c = new int[a.GetLength(1)]; for (int i = 0; i < a.GetLength(1); i++) { c[i] = a[l, i]; } return c; } static long solve(int mae, int ushiro, long[,] dp, int[] a, bool taro) { if (dp[mae, ushiro] > long.MinValue) { return dp[mae, ushiro]; } if (ushiro - mae == 1) { if (taro) { dp[mae, ushiro] = a[mae]; return dp[mae, ushiro]; } else { dp[mae, ushiro] = -a[mae]; return dp[mae, ushiro]; } } if (taro) { long max = Math.Max(a[mae] + solve(mae + 1, ushiro, dp, a, !taro), a[ushiro - 1] + solve(mae, ushiro - 1, dp, a, !taro)); dp[mae, ushiro] = max; return dp[mae, ushiro]; } else { long min = Math.Min(-a[mae] + solve(mae + 1, ushiro, dp, a, !taro), -a[ushiro - 1] + solve(mae, ushiro - 1, dp, a, !taro)); dp[mae, ushiro] = min; return dp[mae, ushiro]; } } static int nibutan(int med, int[] a) // med以上が何個あるか { int mae = 0; int ato = a.Length; while (true) { if (ato - mae <= 1) { return mae; } int mid = (mae + ato) / 2; if (a[mid] > med) { ato = mid; } if (a[mid] <= med) { mae = mid; } } } static int binary_search(int key, int[] moto) { int ng = -1; int ok = moto.Length; while (Math.Abs(ok - ng) > 1) { int mid = (ok + ng) / 2; if (isOK(mid, key, moto)) { ok = mid; } else { ng = mid; } } return ok; } static bool isOK(int index, int key, int[] moto) { return moto[index] >= key; } public static int h; public static int w; public static int BFS(int height, int width, char[,] map) { int[] dx = new int[] { -1, 0, 0, 1 }; int[] dy = new int[] { 0, 1, -1, 0 }; bool[,] visited = new bool[h, w]; int[,] len = new int[h, w]; var queue = new Queue<Tuple<int, int>>(); queue.Enqueue(new Tuple<int, int>(height, width)); int max = 0; visited[height, width] = true; while (queue.Count > 0) { var now = queue.Dequeue(); for (int i = 0; i < 4; i++) { int ny = now.Item1 + dy[i]; int nx = now.Item2 + dx[i]; if (ny >= h || ny < 0 || nx >= w || nx < 0) continue; if (visited[ny, nx] || map[ny, nx] == '#') continue; visited[ny, nx] = true; len[ny, nx] = len[now.Item1, now.Item2] + 1; max = Math.Max(max, len[ny, nx]); queue.Enqueue(new Tuple<int, int>(ny, nx)); } } return max; } } public class StreamScanner { public StreamScanner(Stream stream) { str = stream; } private readonly Stream str; private readonly byte[] buf = new byte[1024]; private int len, ptr; public bool isEof = false; public bool IsEndOfStream { get { return isEof; } } private byte read() { if (isEof) throw new EndOfStreamException(); if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } } return buf[ptr++]; } public char Char() { byte b = 0; do b = read(); while (b < 33 || 126 < b); return (char)b; } public char[] Char(int n) { char[] kore = new char[n]; for (int i = 0; i < n; i++) { kore[i] = Char(); } return kore; } public string Scan() { var sb = new StringBuilder(); for (var b = Char(); b >= 33 && b <= 126; b = (char)read()) sb.Append(b); return sb.ToString(); } public long Long() { long ret = 0; byte b = 0; var ng = false; do b = read(); while (b != '-' && (b < '0' || '9' < b)); if (b == '-') { ng = true; b = read(); } for (; true; b = read()) { if (b < '0' || '9' < b) return ng ? -ret : ret; else ret = ret * 10 + b - '0'; } } public long[] Long(int n) { long[] kore = new long[n]; for (int i = 0; i < n; i++) { kore[i] = Long(); } return kore; } public int Integer() { return (int)Long(); } public int[] Integer(int n) { int[] kore = new int[n]; for (int i = 0; i < n; i++) { kore[i] = (int)Long(); } return kore; } public int[,] Integer(int h, int w) { int[,] kore = new int[h, w]; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { kore[i, j] = (int)Long(); } } return kore; } public int[] StringToInt(int n) { char[] s = Scan().ToCharArray(); int[] kore = new int[n]; for (int i = 0; i < n; i++) { kore[i] = s[i] - '0'; } return kore; } public int[,] StringToInt(int h, int w) { int[,] kore = new int[h, w]; for (int i = 0; i < h; i++) { char[] s = Scan().ToCharArray(); for (int j = 0; j < w; j++) { kore[i, j] = s[j] - '0'; } } return kore; } public double Double() { return double.Parse(Scan(), CultureInfo.InvariantCulture); } } public class UnionFind { public int[] data; public UnionFind(int size) { data = new int[size]; for (int i = 0; i < size; i++) data[i] = -1; } public bool Unite(int x, int y) { x = Root(x); y = Root(y); if (x != y) { if (data[y] < data[x]) { var tmp = y; y = x; x = tmp; } data[x] += data[y]; data[y] = x; } return x != y; } public bool IsSameGroup(int x, int y) { return Root(x) == Root(y); } public int Root(int x) { return data[x] < 0 ? x : data[x] = Root(data[x]); } } public class Mlong { private static long mod = 1000000007; public long num; public Mlong(long num) { this.num = num; } public override int GetHashCode() { return num.GetHashCode(); } public override bool Equals(object obj) { return num.Equals(obj); } public static Mlong operator +(Mlong x, Mlong y) { return new Mlong((x.num + y.num) % mod); } public static Mlong operator -(Mlong x, Mlong y) { return new Mlong((x.num - y.num + mod) % mod); } public static Mlong operator *(Mlong x, Mlong y) { return new Mlong((long)(((1L * x.num) * y.num) % mod)); } public Mlong hutujyo(Mlong x) { return new Mlong(num / x.num); } public Mlong modjyo(Mlong x) { return num * x.Pow(mod - 2); } public static implicit operator Mlong(long x) { return new Mlong(x); } public static Mlong operator %(Mlong x, Mlong y) { return new Mlong(x.num % y.num); } public static bool operator ==(Mlong x, Mlong y) { return x.num == y.num; } public static bool operator !=(Mlong x, Mlong y) { return x.num != y.num; } public static bool operator<(Mlong x, Mlong y) { return x.num < y.num; } public static bool operator>(Mlong x, Mlong y) { return x.num > y.num; } public static bool operator <=(Mlong x, Mlong y) { return x.num <= y.num; } public static bool operator >=(Mlong x, Mlong y) { return x.num >= y.num; } public Mlong Pow(Mlong n) { if (n == 1) { return this % mod; } if (n % 2 == 1) { return (this * Pow(n - 1)) % mod; } Mlong buf = Pow(n.hutujyo(2)); return (buf * buf) % mod; } public static Mlong Pow(Mlong a, Mlong n) { return a.Pow(n); } public static Mlong Comb(Mlong n, Mlong a) { Mlong buf1 = 1; Mlong buf2 = 1; for (long i = 0; i < a; i++) { buf1 *= n - i; buf2 *= (i + 1); } return buf1.modjyo(buf2); } public static void WriteLine(Mlong x) { Console.WriteLine(x.num); } } public class Mint { private static int mod = 1000000007; public int num; public Mint(int Num) { num = Num; } public override int GetHashCode() { return num.GetHashCode(); } public override bool Equals(object obj) { return num.Equals(obj); } public static Mint operator +(Mint x, Mint y) { return new Mint((x.num + y.num) % mod); } public static Mint operator -(Mint x, Mint y) { return new Mint((x.num - y.num + mod) % mod); } public static Mint operator *(Mint x, Mint y) { return new Mint((int)(((1L * x.num) * y.num) % mod)); } public Mint hutujyo(Mint x) { return new Mint(num / x.num); } public Mint modjyo(Mint x) { return num * x.Pow(mod - 2); } public static implicit operator Mint(int x) { return new Mint(x); } public static Mint[] Toarray(int[] x) { Mint[] buf = new Mint[x.Length]; for (int i = 0; i < x.Length; i++) { buf[i] = x[i]; } return buf; } public static explicit operator int(Mint x) { return x.num; } public static Mint operator %(Mint x, Mint y) { return new Mint(x.num % y.num); } public static bool operator ==(Mint x, Mint y) { return x.num == y.num; } public static bool operator !=(Mint x, Mint y) { return x.num != y.num; } public static bool operator<(Mint x, Mint y) { return x.num < y.num; } public static bool operator>(Mint x, Mint y) { return x.num > y.num; } public static bool operator <=(Mint x, Mint y) { return x.num <= y.num; } public static bool operator >=(Mint x, Mint y) { return x.num >= y.num; } public Mint Pow(Mint n) { if (n == 1) { return this % mod; } if (n % 2 == 1) { return (this * Pow(n - 1)) % mod; } Mint buf = Pow(n.hutujyo(2)); return (buf * buf) % mod; } public static Mint Pow(Mint a, Mint n) { return a.Pow(n); } public static Mint Comb(Mint n, Mint a) { Mint buf1 = 1; Mint buf2 = 1; for (int i = 0; i < a; i++) { buf1 *= n - i; buf2 *= (i + 1); } return buf1.modjyo(buf2); } public static void WriteLine(Mint x) { Console.WriteLine(x.num); } } public class PriorityQueue<T> : IEnumerable<T> { private readonly List<T> _data = new List<T>(); private readonly IComparer<T> _comparer; private readonly bool _isDescending; public PriorityQueue(IComparer<T> comparer, bool isDescending = true) { _comparer = comparer; _isDescending = isDescending; } public PriorityQueue(Comparison<T> comparison, bool isDescending = true) : this(Comparer<T>.Create(comparison), isDescending) {} public PriorityQueue(bool isDescending = true) : this(Comparer<T>.Default, isDescending) {} public void Enqueue(T item) { _data.Add(item); var childIndex = _data.Count - 1; while (childIndex > 0) { var parentIndex = (childIndex - 1) / 2; if (Compare(_data[childIndex], _data[parentIndex]) >= 0) break; Swap(childIndex, parentIndex); childIndex = parentIndex; } } public T Dequeue() { var lastIndex = _data.Count - 1; var firstItem = _data[0]; _data[0] = _data[lastIndex]; _data.RemoveAt(lastIndex--); var parentIndex = 0; while (true) { var childIndex = parentIndex * 2 + 1; if (childIndex > lastIndex) break; var rightChild = childIndex + 1; if (rightChild <= lastIndex && Compare(_data[rightChild], _data[childIndex]) < 0) childIndex = rightChild; if (Compare(_data[parentIndex], _data[childIndex]) <= 0) break; Swap(parentIndex, childIndex); parentIndex = childIndex; } return firstItem; } public T Peek() { return _data[0]; } private void Swap(int a, int b) { var tmp = _data[a]; _data[a] = _data[b]; _data[b] = tmp; } private int Compare(T a, T b) { return _isDescending ? _comparer.Compare(b, a) : _comparer.Compare(a, b); } public int Count => _data.Count; public IEnumerator<T> GetEnumerator() { return _data.GetEnumerator(); } IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); } /// <summary> /// Self-Balancing Binary Search Tree /// (using Randamized BST) /// </summary> public class SB_BinarySearchTree<T> where T : IComparable { public class Node { public T Value; public Node LChild; public Node RChild; public int Count; // size of the sub tree public Node(T v) { Value = v; Count = 1; } } static Random _rnd = new Random(); public static int Count(Node t) { return t == null ? 0 : t.Count; } static Node Update(Node t) { t.Count = Count(t.LChild) + Count(t.RChild) + 1; return t; } public static Node Merge(Node l, Node r) { if (l == null || r == null) return l == null ? r : l; if ((double)Count(l) / (double)(Count(l) + Count(r)) > _rnd.NextDouble()) { l.RChild = Merge(l.RChild, r); return Update(l); } else { r.LChild = Merge(l, r.LChild); return Update(r); } } /// <summary> /// split as [0, k), [k, n) /// </summary> public static Tuple<Node, Node> Split(Node t, int k) { if (t == null) return new Tuple<Node, Node>(null, null); if (k <= Count(t.LChild)) { var s = Split(t.LChild, k); t.LChild = s.Item2; return new Tuple<Node, Node>(s.Item1, Update(t)); } else { var s = Split(t.RChild, k - Count(t.LChild) - 1); t.RChild = s.Item1; return new Tuple<Node, Node>(Update(t), s.Item2); } } public static Node Remove(Node t, T v) { if (Find(t, v) == null) return t; return RemoveAt(t, LowerBound(t, v)); } public static Node RemoveAt(Node t, int k) { var s = Split(t, k); var s2 = Split(s.Item2, 1); return Merge(s.Item1, s2.Item2); } public static bool Contains(Node t, T v) { return Find(t, v) != null; } public static Node Find(Node t, T v) { while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp > 0) t = t.LChild; else if (cmp < 0) t = t.RChild; else break; } return t; } public static Node FindByIndex(Node t, int idx) { if (t == null) return null; var currentIdx = Count(t) - Count(t.RChild) - 1; while (t != null) { if (currentIdx == idx) return t; if (currentIdx > idx) { t = t.LChild; currentIdx -= (Count(t == null ? null : t.RChild) + 1); } else { t = t.RChild; currentIdx += (Count(t == null ? null : t.LChild) + 1); } } return null; } public static int UpperBound(Node t, T v) { var torg = t; if (t == null) return -1; var ret = Int32.MaxValue; var idx = Count(t) - Count(t.RChild) - 1; while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp > 0) { ret = Math.Min(ret, idx); t = t.LChild; idx -= (Count(t == null ? null : t.RChild) + 1); } else if (cmp <= 0) { t = t.RChild; idx += (Count(t == null ? null : t.LChild) + 1); } } return ret == Int32.MaxValue ? Count(torg) : ret; } public static int LowerBound(Node t, T v) { var torg = t; if (t == null) return -1; var idx = Count(t) - Count(t.RChild) - 1; var ret = Int32.MaxValue; while (t != null) { var cmp = t.Value.CompareTo(v); if (cmp >= 0) { if (cmp == 0) ret = Math.Min(ret, idx); t = t.LChild; if (t == null) ret = Math.Min(ret, idx); idx -= t == null ? 0 : (Count(t.RChild) + 1); } else if (cmp < 0) { t = t.RChild; idx += (Count(t == null ? null : t.LChild) + 1); if (t == null) return idx; } } // return ret; return ret == Int32.MaxValue ? Count(torg) : ret; } public static Node Insert(Node t, T v) { var ub = LowerBound(t, v); return InsertByIdx(t, ub, v); } static Node InsertByIdx(Node t, int k, T v) { var s = Split(t, k); return Merge(Merge(s.Item1, new Node(v)), s.Item2); } public static IEnumerable<T> Enumerate(Node t) { var ret = new List<T>(); Enumerate(t, ret); return ret; } static void Enumerate(Node t, List<T> ret) { if (t == null) return; Enumerate(t.LChild, ret); ret.Add(t.Value); Enumerate(t.RChild, ret); } } /// <summary> /// C-like set /// </summary> public class Set<T> where T : IComparable { protected SB_BinarySearchTree<T>.Node _root; public T this[int idx] { get { return ElementAt(idx); } } public int Count() { return SB_BinarySearchTree<T>.Count(_root); } public virtual void Insert(T v) { if (_root == null) _root = new SB_BinarySearchTree<T>.Node(v); else { if (SB_BinarySearchTree<T>.Find(_root, v) != null) return; _root = SB_BinarySearchTree<T>.Insert(_root, v); } } public void Clear() { _root = null; } public void Remove(T v) { _root = SB_BinarySearchTree<T>.Remove(_root, v); } public bool Contains(T v) { return SB_BinarySearchTree<T>.Contains(_root, v); } public T ElementAt(int k) { var node = SB_BinarySearchTree<T>.FindByIndex(_root, k); if (node == null) throw new IndexOutOfRangeException(); return node.Value; } public int Count(T v) { return SB_BinarySearchTree<T>.UpperBound(_root, v) - SB_BinarySearchTree<T>.LowerBound(_root, v); } public int LowerBound(T v) { return SB_BinarySearchTree<T>.LowerBound(_root, v); } public int UpperBound(T v) { return SB_BinarySearchTree<T>.UpperBound(_root, v); } public Tuple<int, int> EqualRange(T v) { if (!Contains(v)) return new Tuple<int, int>(-1, -1); return new Tuple<int, int>(SB_BinarySearchTree<T>.LowerBound(_root, v), SB_BinarySearchTree<T>.UpperBound(_root, v) - 1); } public List<T> ToList() { return new List<T>(SB_BinarySearchTree<T>.Enumerate(_root)); } } /// <summary> /// C-like multiset /// </summary> public class MultiSet<T> : Set<T> where T : IComparable { public override void Insert(T v) { if (_root == null) _root = new SB_BinarySearchTree<T>.Node(v); else _root = SB_BinarySearchTree<T>.Insert(_root, v); } } }
[["+", 0, 11, 12, 16, 12, 213, 63, 214, 205, 22], ["+", 0, 11, 12, 16, 12, 213, 63, 214, 0, 131], ["+", 0, 11, 12, 16, 12, 213, 63, 214, 141, 22], ["+", 0, 11, 12, 16, 12, 213, 3, 4, 0, 24], ["+", 0, 11, 12, 16, 12, 213, 3, 4, 0, 25]]
8
6,008
5
using System; using System.Collections.Generic; using System.Text; using System.Numerics; namespace cc { class Program { static void Main(string[] args) { int N = int.Parse(Console.ReadLine()); long ans = 0; List<long> posList = new List<long>(); List<long> negList = new List<long>(); string[] strs = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { long inVal = long.Parse(strs[i]); if (inVal > 0) { posList.Add(inVal); } else { negList.Add(-inVal); } } if (negList.Count % 2 == 0 || negList.Count == 0) { foreach (long a in negList) { ans += a; } foreach (long a in posList) { ans += a; } } if (posList.Count == 0) { negList.Sort(); for (int i = 1; i < negList.Count; i++) { ans += negList[i]; } ans -= negList[0]; } else { negList.Sort(); posList.Sort(); if (negList[0] < posList[0]) { foreach (long a in posList) { ans += a; } for (int i = 1; i < negList.Count; i++) { ans += negList[i]; } ans -= negList[0]; } else { foreach (long a in negList) { ans += a; } for (int i = 1; i < posList.Count; i++) { ans += posList[i]; } ans -= posList[0]; } } Console.WriteLine(ans); } } }
using System; using System.Collections.Generic; using System.Text; using System.Numerics; namespace cc { class Program { static void Main(string[] args) { int N = int.Parse(Console.ReadLine()); long ans = 0; List<long> posList = new List<long>(); List<long> negList = new List<long>(); string[] strs = Console.ReadLine().Split(' '); for (int i = 0; i < N; i++) { long inVal = long.Parse(strs[i]); if (inVal > 0) { posList.Add(inVal); } else { negList.Add(-inVal); } } if (negList.Count % 2 == 0 || negList.Count == 0) { foreach (long a in negList) { ans += a; } foreach (long a in posList) { ans += a; } } else if (posList.Count == 0) { negList.Sort(); for (int i = 1; i < negList.Count; i++) { ans += negList[i]; } ans -= negList[0]; } else { negList.Sort(); posList.Sort(); if (negList[0] < posList[0]) { foreach (long a in posList) { ans += a; } for (int i = 1; i < negList.Count; i++) { ans += negList[i]; } ans -= negList[0]; } else { foreach (long a in negList) { ans += a; } for (int i = 1; i < posList.Count; i++) { ans += posList[i]; } ans -= posList[0]; } } Console.WriteLine(ans); } } }
[["+", 8, 201, 0, 195, 8, 196, 0, 57, 0, 95]]
8
380
1
using System; using System.Collections.Generic; using System.Linq; class Procon { public Procon() {} static void Main(string[] agrs) { new Procon().Do(); } Scanner cin; public void Do() { cin = new Scanner(); int N = cin.nextInt(); long[] A = cin.arrayLong(); int count = 0; long min = 1000000001; long sum = 0; for (int i = 0; i < N; i++) { if (A[i] < 0) { count++; } min = Math.Min(min, Math.Abs(A[i])); sum += Math.Abs(A[i]); } if (count == 0) { Console.WriteLine(sum); } else { Console.WriteLine(sum - 2 * min); } } } class Scanner { string[] s; int i; int max_i; public Scanner() { s = new string[0]; max_i = 0; i = 0; } public string nextString() { if (i >= s.Length) { s = Console.ReadLine().Split(' '); max_i = s.Length; i = 0; if (max_i == 0) { return ""; } return s[i++]; } else { return s[i++]; } } public int nextInt() { return int.Parse(nextString()); } public long nextLong() { return long.Parse(nextString()); } public double nextDouble() { return double.Parse(nextString()); } public string[] arrayString() { return Console.ReadLine().Split(' '); } public int[] arrayInt() { string[] str = Console.ReadLine().Split(' '); int[] array = new int[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = int.Parse(str[i]); } return array; } public long[] arrayLong() { string[] str = Console.ReadLine().Split(' '); long[] array = new long[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = long.Parse(str[i]); } return array; } public double[] arrayDouble() { string[] str = Console.ReadLine().Split(' '); double[] array = new double[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = double.Parse(str[i]); } return array; } }
using System; using System.Collections.Generic; using System.Linq; class Procon { public Procon() {} static void Main(string[] agrs) { new Procon().Do(); } Scanner cin; public void Do() { cin = new Scanner(); int N = cin.nextInt(); long[] A = cin.arrayLong(); int count = 0; long min = 1000000001; long sum = 0; for (int i = 0; i < N; i++) { if (A[i] < 0) { count++; } min = Math.Min(min, Math.Abs(A[i])); sum += Math.Abs(A[i]); } if (count % 2 == 0) { Console.WriteLine(sum); } else { Console.WriteLine(sum - 2 * min); } } } class Scanner { string[] s; int i; int max_i; public Scanner() { s = new string[0]; max_i = 0; i = 0; } public string nextString() { if (i >= s.Length) { s = Console.ReadLine().Split(' '); max_i = s.Length; i = 0; if (max_i == 0) { return ""; } return s[i++]; } else { return s[i++]; } } public int nextInt() { return int.Parse(nextString()); } public long nextLong() { return long.Parse(nextString()); } public double nextDouble() { return double.Parse(nextString()); } public string[] arrayString() { return Console.ReadLine().Split(' '); } public int[] arrayInt() { string[] str = Console.ReadLine().Split(' '); int[] array = new int[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = int.Parse(str[i]); } return array; } public long[] arrayLong() { string[] str = Console.ReadLine().Split(' '); long[] array = new long[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = long.Parse(str[i]); } return array; } public double[] arrayDouble() { string[] str = Console.ReadLine().Split(' '); double[] array = new double[str.Length]; for (int i = 0; i < str.Length; i++) { array[i] = double.Parse(str[i]); } return array; } }
[["+", 8, 196, 0, 57, 15, 16, 31, 16, 17, 109], ["+", 8, 196, 0, 57, 15, 16, 31, 16, 12, 203]]
8
597
2
using System; using System.Collections.Generic; using System.Linq; class MainClass { public static void Main(string[] args) { var n = int.Parse(Console.ReadLine()); List<int> originalValues = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToList(); var negativeCount = originalValues.Count(num => num < 0); // 全て正の数にする // マイナスが偶数個なら、全てのマイナスを消せる List<int> vals = originalValues.Select(num => Math.Abs(num)).ToList(); if (negativeCount % 2 != 0) { // マイナスが奇数個なら、かならず1つマイナスが残る→最小値をマイナスにする var min = vals.Min(); vals.RemoveAt(vals.IndexOf(min)); vals.Add(-min); } Console.WriteLine(vals.Sum()); } }
using System; using System.Collections.Generic; using System.Linq; class MainClass { public static void Main(string[] args) { var n = int.Parse(Console.ReadLine()); List<long> originalValues = Console.ReadLine().Split(' ').Select(x => long.Parse(x)).ToList(); int negativeCount = originalValues.Count(num => num < 0); // 全て正の数にする // マイナスが偶数個なら、全てのマイナスを消せる List<long> vals = originalValues.Select(num => Math.Abs(num)).ToList(); if (negativeCount % 2 != 0) { // マイナスが奇数個なら、かならず1つマイナスが残る→最小値をマイナスにする long min = vals.Min(); vals.RemoveAt(vals.IndexOf(min)); vals.Add(-min); } Console.WriteLine(vals.Sum()); } }
[["-", 0, 197, 0, 198, 39, 236, 237, 238, 0, 199], ["+", 0, 197, 0, 198, 39, 236, 237, 238, 0, 199], ["-", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["+", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["-", 8, 196, 0, 197, 0, 198, 39, 216, 0, 217], ["+", 0, 195, 8, 196, 0, 197, 0, 198, 39, 199], ["-", 64, 196, 0, 197, 0, 198, 39, 216, 0, 217], ["+", 0, 57, 64, 196, 0, 197, 0, 198, 39, 199]]
8
171
10
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC125C { class Program { static void Main(string[] args) { int N = int.Parse(Console.ReadLine()); var numbers = Console.ReadLine().Split().Select(long.Parse).ToList(); var count = 0; long sum = 0; long small = 0; var firstflag = true; long abs = 0; foreach (var number in numbers) { abs = Math.Abs(number); if (firstflag) { small = number; firstflag = false; } else { if (small > abs) { small = abs; } } sum += abs; if (number <= 0) { count++; } } if (count % 2 == 0) { Console.WriteLine(sum); } else { Console.WriteLine(sum - small * 2); } } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC125C { class Program { static void Main(string[] args) { int N = int.Parse(Console.ReadLine()); var numbers = Console.ReadLine().Split().Select(long.Parse).ToList(); var count = 0; long sum = 0; long small = 0; var firstflag = true; long abs = 0; foreach (var number in numbers) { abs = Math.Abs(number); if (firstflag) { small = abs; firstflag = false; } else { if (small > abs) { small = abs; } } sum += abs; if (number < 0) { count++; } } if (count % 2 == 0) { Console.WriteLine(sum); } else { Console.WriteLine(sum - small * 2); } } } }
[["-", 0, 57, 64, 196, 0, 1, 0, 11, 12, 22], ["+", 0, 57, 64, 196, 0, 1, 0, 11, 12, 22], ["-", 0, 210, 8, 196, 0, 57, 15, 16, 17, 19], ["+", 0, 210, 8, 196, 0, 57, 15, 16, 17, 18]]
8
202
4
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int N = int.Parse(Console.ReadLine()); int[] A = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray(); //ひっくり返すかひっくり返さないか int[,] DP = new int[N, 2]; //インデックスiを逆転したとき(i+1も逆転されている)の0~iまでの和の最大値をDP[i,1]とする。 //インデックスiを逆転していないとき(i+1も逆転されていないとき)の0~iまでの和の最大値をDP[i,1]とする。 DP[0, 0] = A[0]; DP[0, 1] = -A[0]; for (int i = 1; i <= N - 1; i++) { DP[i, 0] = Math.Max(DP[i - 1, 0] + A[i], DP[i - 1, 1] - A[i]); DP[i, 1] = Math.Max(DP[i - 1, 0] - A[i], DP[i - 1, 1] + A[i]); } Console.WriteLine( Math.Max(DP[N - 2, 0] + A[N - 1], DP[N - 2, 1] - A[N - 1])); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; class Program { static void Main() { int N = int.Parse(Console.ReadLine()); long[] A = Console.ReadLine().Split(' ').Select(s => long.Parse(s)).ToArray(); //ひっくり返すかひっくり返さないか long[,] DP = new long[N, 2]; //インデックスiを逆転したとき(i+1も逆転されている)の0~iまでの和の最大値をDP[i,1]とする。 //インデックスiを逆転していないとき(i+1も逆転されていないとき)の0~iまでの和の最大値をDP[i,0]とする。 DP[0, 0] = A[0]; DP[0, 1] = -A[0]; for (int i = 1; i <= N - 1; i++) { DP[i, 0] = Math.Max(DP[i - 1, 0] + A[i], DP[i - 1, 1] - A[i]); DP[i, 1] = Math.Max(DP[i - 1, 0] - A[i], DP[i - 1, 1] + A[i]); } Console.WriteLine( Math.Max(DP[N - 2, 0] + A[N - 1], DP[N - 2, 1] - A[N - 1])); } } static class MathUtil { public static IEnumerable<IEnumerable<int>> GetPermutation(int n) { if (n == 0) { yield return Single(0); yield break; } for (int i = 0; i <= n; i++) { foreach (var x in GetPermutation(n - 1)) { yield return Single(i).Concat(x.Select(itm => itm < i ? itm : itm + 1)); } } } private static IEnumerable<int> Single(int x) { yield return x; } public static IEnumerable<int> EnumeratePrimeNumbers() { List<int> primes = new List<int>() { 2 }; yield return 2; for (int i = 3; i < int.MaxValue; i++) { bool isPrime = true; int Sqrt = (int)Math.Sqrt(i) + 1; foreach (var prime in primes) { if (prime > Sqrt) { break; } if (i % prime == 0) { isPrime = false; break; } } if (isPrime) { primes.Add(i); yield return i; } } } }
[["-", 8, 196, 0, 197, 0, 198, 39, 224, 39, 199], ["+", 8, 196, 0, 197, 0, 198, 39, 224, 39, 199], ["-", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["+", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["-", 0, 200, 0, 212, 0, 227, 39, 224, 39, 199], ["+", 0, 200, 0, 212, 0, 227, 39, 224, 39, 199]]
8
510
8
using System; using System.Collections.Generic; using static Exter; using System.Linq; #if DEBUG #else using console = System.Console; #endif public class App { public static void Main(string[] args) { int n = readarr[0]; cout = readarr.Sum(v => Math.Abs(v)) - (preadarr.Count(v => v < 0) % 2 == 0 ? 0 : preadarr.Min(v => Math.Abs(v)) * 2); } } public static class Exter { public static void rep(int loop, Action<int> act) { for (int i = 0; i < loop; i++) act(i); } public static int ToInt(this string v) => int.Parse(v); public static int Max(params int[] p) => p.Max(); public static long Max(params long[] p) => p.Max(); public static int Min(params int[] p) => p.Min(); public static long Min(params long[] p) => p.Min(); public static int Gcd(int a, int b) => a > b? GcdRecursive(a, b) : GcdRecursive(b, a); private static int GcdRecursive(int a, int b) => b == 0 ? a : GcdRecursive(b, a % b); public static object cout { set { console.Write(value.ToString()); console.WriteLine(); } } public static void ToCout<t>(this IEnumerable<t> v) { cout = string.Join(",", v); } public static int[] readarr { get { preadarr = console.ReadLine().Split().Select(s => int.Parse(s)).ToArray(); return preadarr; } } public static int[] preadarr; } #if DEBUG public static class console { static int cursorLine = 0; static readonly string[] cin = new string[] { "3", "-10 5 -4" }; static public string ReadLine() { return cin[cursorLine++]; } static public void WriteLine() { Console.WriteLine(); } static public void WriteLine<T>(T input) { Console.WriteLine(input); } static public void Write<T>(T input) { Console.Write(input); } static public void WriteLine(string s, params object[] arr) { Console.WriteLine(s, arr); } } #endif
using System; using System.Collections.Generic; using static Exter; using System.Linq; #if DEBUG #else using console = System.Console; #endif public class App { public static void Main(string[] args) { long n = readarr[0]; cout = readarr.Sum(v => Math.Abs(v)) - (preadarr.Count(v => v < 0) % 2 == 0 ? 0 : preadarr.Min(v => Math.Abs(v)) * 2); } } public static class Exter { public static void rep(int loop, Action<int> act) { for (int i = 0; i < loop; i++) act(i); } public static int ToInt(this string v) => int.Parse(v); public static int Max(params int[] p) => p.Max(); public static long Max(params long[] p) => p.Max(); public static int Min(params int[] p) => p.Min(); public static long Min(params long[] p) => p.Min(); public static int Gcd(int a, int b) => a > b? GcdRecursive(a, b) : GcdRecursive(b, a); private static int GcdRecursive(int a, int b) => b == 0 ? a : GcdRecursive(b, a % b); public static object cout { set { console.Write(value.ToString()); console.WriteLine(); } } public static void ToCout<t>(this IEnumerable<t> v) { cout = string.Join(",", v); } public static long[] readarr { get { preadarr = console.ReadLine().Split().Select(s => long.Parse(s)).ToArray(); return preadarr; } } public static long[] preadarr; } #if DEBUG public static class console { static int cursorLine = 0; static readonly string[] cin = new string[] { "3", "-10 5 -4" }; static public string ReadLine() { return cin[cursorLine++]; } static public void WriteLine() { Console.WriteLine(); } static public void WriteLine<T>(T input) { Console.WriteLine(input); } static public void Write<T>(T input) { Console.Write(input); } static public void WriteLine(string s, params object[] arr) { Console.WriteLine(s, arr); } } #endif
[["-", 0, 195, 8, 196, 0, 197, 0, 198, 39, 199], ["+", 0, 195, 8, 196, 0, 197, 0, 198, 39, 199], ["-", 0, 235, 8, 201, 0, 277, 39, 224, 39, 199], ["+", 0, 235, 8, 201, 0, 277, 39, 224, 39, 199], ["-", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["+", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["-", 8, 201, 0, 124, 0, 198, 39, 224, 39, 199], ["+", 8, 201, 0, 124, 0, 198, 39, 224, 39, 199]]
8
533
8
using System; using System.Linq; namespace d { class Program { static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var A = Console.ReadLine().Split(' ').Select(int.Parse).ToList(); if (A.Count(x => x < 0) % 2 == 0) { Console.WriteLine(A.Sum(x => Math.Abs(x))); } else { Console.WriteLine(A.Sum(x => Math.Abs(x)) - 2 * A.Min(x => Math.Abs(x))); } } } }
using System; using System.Linq; namespace d { class Program { static void Main(string[] args) { var N = long.Parse(Console.ReadLine()); var A = Console.ReadLine().Split(' ').Select(long.Parse).ToArray(); if (A.Count(x => x < 0) % 2 == 0) { Console.WriteLine(A.Sum(x => Math.Abs(x))); } else { Console.WriteLine(A.Sum(x => Math.Abs(x)) - 2 * A.Min(x => Math.Abs(x))); } } } }
[["-", 0, 200, 0, 212, 0, 213, 63, 214, 205, 199], ["+", 0, 200, 0, 212, 0, 213, 63, 214, 205, 199], ["-", 205, 213, 3, 4, 0, 28, 0, 214, 205, 199], ["+", 205, 213, 3, 4, 0, 28, 0, 214, 205, 199], ["-", 0, 200, 0, 212, 0, 213, 63, 214, 141, 22], ["+", 0, 200, 0, 212, 0, 213, 63, 214, 141, 22]]
8
144
6
using System; using System.Linq; using System.Threading.Tasks; static class Program { static void Main() { int nGem = int.Parse(Console.ReadLine()); var values = Console.ReadLine().Split(' ').Select(c => int.Parse(c)).ToArray(); bool isEven = (values.Select(v => v < 0 ? 1 : 0).Sum() % 2 == 0); isEven |= values.Any(v => v == 0); var absValue = values.Select(v => Math.Abs(v)); long result = absValue.Sum(); if (isEven == false) { long adjust = absValue.Min() * 2; result -= adjust; } Console.WriteLine(result); } }
using System; using System.Linq; using System.Threading.Tasks; static class Program { static void Main() { int nGem = int.Parse(Console.ReadLine()); var values = Console.ReadLine().Split(' ').Select(c => long.Parse(c)); // int nGem = 5; // var values = new long[] { // -1000000000,1000000000,-1000000000,1000000000,-1000000000,0,1000000000,-1000000000,1000000000,-1000000000,1000000000}; bool isEven = (values.Select(v => v < 0 ? 1 : 0).Sum() % 2 == 0); isEven |= values.Any(v => v == 0); var absValue = values.Select(v => Math.Abs(v)); long result = absValue.Sum(); if (isEven == false) { long adjust = absValue.Min() * 2; result -= adjust; } Console.WriteLine(result); } }
[["-", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["+", 0, 28, 0, 218, 8, 213, 63, 214, 205, 199], ["-", 0, 28, 0, 218, 8, 213, 3, 4, 0, 25], ["-", 0, 200, 0, 212, 0, 213, 63, 214, 0, 131], ["-", 0, 200, 0, 212, 0, 213, 63, 214, 141, 22], ["-", 0, 200, 0, 212, 0, 213, 3, 4, 0, 24]]
8
170
6
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC125_D { class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); List<long> numList = Console.ReadLine().Split(' ').Select(i => long.Parse(i)).ToList(); numList = numList.OrderByDescending(i => Math.Abs(i)).ToList(); for (int i = 0; i < n - 1; i++) { if (numList[i] < 0) { numList[i] *= -1; numList[i + 1] *= -1; } } long ans = 0; for (int i = 0; i < n - 1; i++) { ans += numList[i]; } Console.WriteLine(ans); Console.ReadLine(); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ABC125_D { class Program { static void Main(string[] args) { int n = int.Parse(Console.ReadLine()); List<long> numList = Console.ReadLine().Split(' ').Select(i => long.Parse(i)).ToList(); numList = numList.OrderByDescending(i => Math.Abs(i)).ToList(); for (int i = 0; i < n - 1; i++) { if (numList[i] < 0) { numList[i] *= -1; numList[i + 1] *= -1; } } long ans = 0; for (int i = 0; i < n; i++) { ans += numList[i]; } Console.WriteLine(ans); Console.ReadLine(); } } }
[["-", 8, 196, 0, 7, 15, 16, 12, 16, 17, 33], ["-", 8, 196, 0, 7, 15, 16, 12, 16, 12, 203]]
8
205
2
using System; class Tenka_A { static void Main() { int[] Ar = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); int H1 = Ar[0], H2 = Ar[1], H3 = Ar[2]; if ((H1 < H2 && H2 > H3) || (H1 > H2 && H2 < H3)) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
using System; class Tenka_A { static void Main() { int[] Ar = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); int H1 = Ar[0], H2 = Ar[1], H3 = Ar[2]; if ((H1 < H3 && H2 > H3) || (H1 > H3 && H2 < H3)) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
[["-", 15, 16, 31, 23, 0, 16, 31, 16, 12, 22], ["+", 15, 16, 31, 23, 0, 16, 31, 16, 12, 22], ["-", 15, 16, 12, 23, 0, 16, 31, 16, 12, 22], ["+", 15, 16, 12, 23, 0, 16, 31, 16, 12, 22]]
8
104
4
using System; using System.Linq; class Mainp { public static void Main() { var str = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); if (Math.Abs(str[0] - str[1]) >= (Math.Abs(str[0] - str[2]) + Math.Abs(str[1] - str[2]))) Console.WriteLine("NO"); else Console.WriteLine("YES"); } }
using System; using System.Linq; class Mainp { public static void Main() { var str = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray(); if (Math.Abs(str[0] - str[1]) >= (Math.Abs(str[0] - str[2]) + Math.Abs(str[1] - str[2]))) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
[["-", 0, 213, 3, 4, 0, 28, 0, 5, 0, 222], ["+", 0, 213, 3, 4, 0, 28, 0, 5, 0, 222]]
8
120
4
using System; namespace Project { class Program { static void Main() { int[] args = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); int a = args[0]; int b = args[1]; int c = args[2]; Console.WriteLine((a < c && c < b) || (b < c && a < c) ? "Yes" : "No"); } } }
using System; namespace Project { class Program { static void Main() { int[] args = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse); int a = args[0]; int b = args[1]; int c = args[2]; Console.WriteLine((a < c && c < b) || (b < c && c < a) ? "Yes" : "No"); } } }
[["-", 15, 16, 12, 23, 0, 16, 12, 16, 31, 22], ["-", 15, 16, 12, 23, 0, 16, 12, 16, 17, 18], ["+", 15, 16, 12, 23, 0, 16, 12, 16, 17, 18], ["+", 15, 16, 12, 23, 0, 16, 12, 16, 12, 22]]
8
102
4
using System; public class Hello { public static void Main() { string[] line = Console.ReadLine().Trim().Split(' '); var a = int.Parse(line[0]); var b = int.Parse(line[1]); var c = int.Parse(line[2]); if (a < b && a < c && c < b) Console.WriteLine("Yes"); else if (b > a && b < c && c < a) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
using System; public class Hello { public static void Main() { string[] line = Console.ReadLine().Trim().Split(' '); var a = int.Parse(line[0]); var b = int.Parse(line[1]); var c = int.Parse(line[2]); if (a < b && a < c && c < b) Console.WriteLine("Yes"); else if (a > b && b < c && c < a) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
[["-", 75, 57, 15, 16, 31, 16, 31, 16, 31, 22], ["-", 75, 57, 15, 16, 31, 16, 31, 16, 17, 47], ["+", 75, 57, 15, 16, 31, 16, 31, 16, 17, 47], ["+", 75, 57, 15, 16, 31, 16, 31, 16, 12, 22]]
8
134
4
using System; using System.Collections.Generic; using System.Linq; using static System.Console; using static System.Convert; using static System.Math; using Pair = System.Tuple<int, int>; using Edge = System.Tuple<int, int, long>; // using Debug; // using static System.Globalization.CultureInfo; class Program { static void Main(string[] args) { Solve(); // WriteLine(Solve()); } static void Solve() { var abc = Input.ar; WriteLine(Min(abc[0], abc[1]) < abc[2] || abc[2] < Max(abc[0], abc[1]) ? "Yes" : "No"); } } public class Input { public static string read => ReadLine(); public static int[] ar => Array.ConvertAll(read.Split(' '), int.Parse); public static int num => ToInt32(read); public static long[] arL => Array.ConvertAll(read.Split(' '), long.Parse); public static long numL => ToInt64(read); public static char[][] gred(int h) => Enumerable.Repeat(0, h).Select(v => read.ToCharArray()).ToArray(); public static int[][] ar2D(int num) => Enumerable.Repeat(0, num).Select(v => ar).ToArray(); public static long[][] arL2D(int num) => Enumerable.Repeat(0, num).Select(v => arL).ToArray(); public const long Inf = (long)1e18; public const double eps = 1e-6; public const string Alfa = "abcdefghijklmnopqrstuvwxyz"; public const int MOD = 1000000007; }
using System; using System.Collections.Generic; using System.Linq; using static System.Console; using static System.Convert; using static System.Math; using Pair = System.Tuple<int, int>; using Edge = System.Tuple<int, int, long>; // using Debug; // using static System.Globalization.CultureInfo; class Program { static void Main(string[] args) { Solve(); // WriteLine(Solve()); } static void Solve() { var abc = Input.ar; WriteLine(Min(abc[0], abc[1]) < abc[2] && abc[2] < Max(abc[0], abc[1]) ? "Yes" : "No"); } } public class Input { public static string read => ReadLine(); public static int[] ar => Array.ConvertAll(read.Split(' '), int.Parse); public static int num => ToInt32(read); public static long[] arL => Array.ConvertAll(read.Split(' '), long.Parse); public static long numL => ToInt64(read); public static char[][] gred(int h) => Enumerable.Repeat(0, h).Select(v => read.ToCharArray()).ToArray(); public static int[][] ar2D(int num) => Enumerable.Repeat(0, num).Select(v => ar).ToArray(); public static long[][] arL2D(int num) => Enumerable.Repeat(0, num).Select(v => arL).ToArray(); public const long Inf = (long)1e18; public const double eps = 1e-6; public const string Alfa = "abcdefghijklmnopqrstuvwxyz"; public const int MOD = 1000000007; }
[["-", 3, 4, 0, 28, 0, 41, 15, 16, 17, 106], ["+", 3, 4, 0, 28, 0, 41, 15, 16, 17, 98]]
8
362
2
using System; namespace Tenka1A { class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int A = int.Parse(input[0]); int B = int.Parse(input[1]); int C = int.Parse(input[2]); bool flg = false; if (A > B) { if (C > B && C > A) { flg = true; } } else if (B > A) { if (B > C && C > A) { flg = true; } } if (flg) { Console.WriteLine("Yes"); } else { Console.WriteLine("No"); } } } }
using System; namespace Tenka1A { class Program { static void Main(string[] args) { string[] input = Console.ReadLine().Split(' '); int A = int.Parse(input[0]); int B = int.Parse(input[1]); int C = int.Parse(input[2]); bool flg = false; if (A > B) { if (C > B && A > C) { flg = true; } } else if (B > A) { if (B > C && C > A) { flg = true; } } if (flg) { Console.WriteLine("Yes"); } else { Console.WriteLine("No"); } } } }
[["-", 64, 196, 0, 57, 15, 16, 12, 16, 31, 22], ["-", 64, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 64, 196, 0, 57, 15, 16, 12, 16, 17, 47], ["+", 64, 196, 0, 57, 15, 16, 12, 16, 12, 22]]
8
160
4
using System; using System.Collections; using System.Collections.Generic; using System.Linq; class myon { public static void Main(string[] args) { var myon = new myon(); } public myon() { string[] input = Console.ReadLine().Split(' '); int[] intin = new int[3]; for (int i = 0; i < 3; i++) { intin[i] = int.Parse(input[i]); } if (intin[0] < intin[1] && intin[0] < intin[2] && intin[1] > intin[2]) Console.WriteLine("Yes"); else if (intin[1] < intin[0] && intin[1] < intin[2] && intin[1] < intin[0]) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
using System; using System.Collections; using System.Collections.Generic; using System.Linq; class myon { public static void Main(string[] args) { var myon = new myon(); } public myon() { string[] input = Console.ReadLine().Split(' '); int[] intin = new int[3]; for (int i = 0; i < 3; i++) { intin[i] = int.Parse(input[i]); } if (intin[0] < intin[1] && intin[0] < intin[2] && intin[1] > intin[2]) Console.WriteLine("Yes"); else if (intin[1] < intin[0] && intin[1] < intin[2] && intin[0] > intin[2]) Console.WriteLine("Yes"); else Console.WriteLine("No"); } }
[["-", 12, 16, 31, 204, 206, 207, 0, 28, 0, 203], ["+", 12, 16, 31, 204, 206, 207, 0, 28, 0, 203], ["-", 0, 57, 75, 57, 15, 16, 12, 16, 17, 18], ["+", 0, 57, 75, 57, 15, 16, 12, 16, 17, 47], ["-", 12, 16, 12, 204, 206, 207, 0, 28, 0, 203], ["+", 12, 16, 12, 204, 206, 207, 0, 28, 0, 203]]
8
203
6