solution
stringlengths
52
181k
difficulty
int64
0
6
#include<iostream> using namespace std; int main(){ int m,f,r; while(1){ cin>>m>>f>>r; if(m==-1&&f==-1&&f==-1)break; if(m==-1||f==-1)cout<<'F'<<endl; else if(m+f>=80)cout<<'A'<<endl; else if(m+f>=65)cout<<'B'<<endl; else if(m+f>=50)cout<<'C'<<endl; else if(m+f>=30&&r>=50)cout<<'C'<<endl; else if(m+...
0
#include <bits/stdc++.h> using namespace std; int n, m, a[300005]; bool check(int v) { int vnow = 0; for (int i = (int)(1); i <= (int)(n); i++) { int vl = a[i], vr = a[i] + v; for (; vnow < m && (vnow < vl || vnow > vr) && (vnow + m < vl || vnow + m > vr); ++vnow) ; if (vnow >=...
1
#include <bits/stdc++.h> using namespace std; using namespace std; int main() { int c4 = 0, c7 = 0; string str1, str2; cin >> str1 >> str2; for (int i = int(0); i <= int(str1.size() - 1); i++) { if (str1[i] == '4' && str2[i] == '7') c4++; else if (str1[i] == '7' && str2[i] == '4') c7++; } ...
1
#include <bits/stdc++.h> using namespace std; long long int expo(long long int a, long long int b) { long long int r = 1; a = a % 1000000007; while (b) { if (b % 2) r = (r * a) % 1000000007; a = (a * a) % 1000000007; b = b / 2; } return r; } long long int gcd(long long int a, long long int b) { ...
3
/* * BugHunt.cpp * * Created on: Oct 12, 2013 * Author: Hesham */ #include<iostream> #include<string> #include<map> #include<ctime> #include<vector> #include<queue> #include<stack> #include<set> #include<algorithm> #include<sstream> #include<iomanip> #include<cstring> #include<bitset> #include<fstream> #incl...
0
#include <iostream> using namespace std; int a, b, c; int main() { cin>>a>>b>>c; cout<<a+b+c + max(a, max(b,c))*9; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int a, b; cin >> a >> b; vector<int> x; for (int i = 0; i < a; i++) { int r; cin >> r; x.push_back(r); } sort(x.rbegin(), x.rend()); int counter = 0; for (int i = 0; i < a; i += b) counter += (x[i] - 1) * 2; cout << counter << endl...
2
#include <bits/stdc++.h> using namespace std; int n, i, j, num[200001]; int main() { cin >> n; if (n % 2 == 0) { cout << "NO"; return 0; } cout << "YES\n"; for (i = 1; i <= n; i++) { if (i % 2) { num[i] = 2 * i - 1; num[i + n] = 2 * i; } else { num[i + n] = 2 * i - 1; n...
3
#include <bits/stdc++.h> #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define RFOR(i,a,b) for(int i=(b) - 1;i>=(a);i--) #define REP(i,n) for(int i=0;i<(n);i++) #define RREP(i,n) for(int i=n-1;i>=0;i--) #define PB push_back #define INF INT_MAX/3 #define ALL(a) (a).begin(),(a).end() #define CLR(a) memset(a,0,sizeof(a)) ...
0
#include <bits/stdc++.h> using namespace std; const int MAXN = 1 << 18; const int MAXQ = 1 << 21; const int MAXS = 1 << 19; const int INF = 1 << 30; void print(vector<int> &v) { cout << "v = "; for (int i = 0; i < v.size(); ++i) { cout << v[i] << " "; } cout << endl; } vector<int> G[MAXN]; int N, P[MAXN], V...
3
#include <bits/stdc++.h> using namespace std; int a[200]; int main() { int sum1 = 0, sum2 = 0; int n; cin >> n; for (int i = 0; i < n; i++) { int x; cin >> x; if (x > 0) sum1 += x; else sum2 += x; } cout << sum1 - sum2; }
1
#include <bits/stdc++.h> using namespace std; queue<int> cola; queue<pair<int, int> > ans; int n, d, k, depth[400005], lasto, nodo, degree[400005]; int main() { scanf("%d %d %d", &n, &d, &k); if (n <= d || (k < 2 && n > 2)) { printf("NO"); return 0; } for (int i = 1; i <= d; i++) { degree[i] = 2; ...
5
#include <bits/stdc++.h> using namespace std; int n, K; map<int, int> Map; int A[201000], B[201000], w[201000]; vector<int> GG[201000]; int GPV[201000]; int tA[201000]; vector<int> G; int UF[201000], sss; int Find(int a) { if (a == UF[a]) return a; return UF[a] = Find(UF[a]); } void Merge(int a, int b) { a = Find...
5
#include <bits/stdc++.h> using namespace std; const int inf = 1e9 + 7; const long long linf = 1e18 + 7; int t[200010]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; t[0] = 1; for (int i = 1; i <= n; i++) cin >> t[i]; sort(t + 1, t + n + 1); if (t[k] == t[...
3
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; ll d, m; ll a[100]; ll b[100]; ll ans; int tc, k; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> tc; while (tc--) { cin >> d >> m; k = 0; for (ll i = 0; (1LL << i) <= d; ...
2
#include <bits/stdc++.h> using namespace std; void debug() { cout << endl; } template <class T, class... U> void debug(T a, U... b) { cout << a << " "; debug(b...); } template <class T> void pary(T l, T r) { while (l != r) { cout << *l << " "; l++; } cout << endl; } int par[2 * 200005], siz[2 * 200005...
3
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") using namespace std; const long long N = 1e5 * 5 + 10; long long id[N]; vector<long long> pos[N]; int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long q; cin >> q; for (long long i = 0; i...
5
#include <bits/stdc++.h> using namespace std; long long t, x, y, a, b, s = 0, v, c = 0; int main() { cin >> t; while (t--) { cin >> x >> y >> a >> b; if (x != y) { v = x > y ? x : y; if (v == x) { c = x - y; s += (c * a); x -= c; } else { c = y - x; ...
1
/** * D.cpp.c of project "2021_ICPC_NERC_FINAL". * Created by KMGuan on 2021-04-04 18:26. */ // #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target("avx,avx2,sse,sse2,sse3,sse4") #include <bits/stdc++.h> using namespace std; #define endl '\n' typedef long lon...
4
#include <bits/stdc++.h> using namespace std; int main() { string s1, s2; cin >> s1 >> s2; if (s1 == s2) cout << s1; else cout << "1"; return 0; }
1
#include <bits/stdc++.h> using namespace std; const int MaxN = 2e5 + 17; const int INF = 1e9 + 17; int n, x, y; long long sum, sum2; int a[MaxN]; int main() { scanf("%d%d%d", &n, &x, &y); if (x > y) swap(x, y); for (int i = 1; i <= n; ++i) scanf("%d", a + i); sort(a + 1, a + n + 1); for (int i = n; i >= n - x...
2
#include <bits/stdc++.h> using namespace std; int n; int main() { scanf("%d", &n); int m = 3; while (m * (m + 1) / 2 <= n) m++; vector<vector<int> > v; v.resize(m); int now = 0; for (int i = 0; i < m; i++) for (int j = i + 1; j < m; j++) { now++; v[i].push_back(now); v[j].push_back(n...
3
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int add(int x) { return x; } template <typename... T> int add(int x, T... y) { x += add(y...); if (x >= mod) x -= mod; return x; } template <typename... T> int udd(int &x, T... y) { return x = add(x, y...); } template <typename... T> int sub...
3
#include <bits/stdc++.h> using namespace std; vector<int> v; int main() { int n; cin >> n; for (int i = 2; i <= n; i += 2) { v.push_back(i); } for (int i = 1; i <= n; i += 2) { v.push_back(i); } for (int i = 2; i <= n; i += 2) { v.push_back(i); } cout << v.size() << endl; for (int i = 0;...
3
#include <bits/stdc++.h> using namespace std; int main() { int n; string s, c; cin >> n >> c >> s; if (s == "week") { if (n < 5) cout << 365 / 7; else if (n > 4 && n != 7) cout << 365 / 7 + 1; if (n == 7) cout << 365 / 7; } if (s == "month") { if (n > 29 && n != 31) cout <<...
1
#include <bits/stdc++.h> using namespace std; const int inf = int(1e9) + 7; const double eps = 1e-9; int main() { string second, a; cin >> second; a = second; reverse((a).begin(), (a).end()); cout << second + a; return 0; }
1
#include <bits/stdc++.h> using namespace std; clock_t time_p = clock(); void aryanc403() { time_p = clock() - time_p; cerr << "Time Taken : " << (float)(time_p) / CLOCKS_PER_SEC << "\n"; } const long long int INF = 0xFFFFFFFFFFFFFFFL; long long int seed; mt19937 rng(seed = chrono::steady_clock::now().time_since_epo...
2
#include <iostream> #include <cstdio> #include <cmath> using namespace std; int main() { int D, E; while (true) { cin >> D >> E; if (D == 0 && E == 0) { break; } double ans = 1e9; for (int x = 0; x <= D; x++) { int y = D-x; ans = min(ans, abs(E-sqrt((do...
0
#include <bits/stdc++.h> using namespace std; const int Max = 1e5 + 5; int book[Max]; int first[Max]; int nex[Max]; int lst[Max][3]; struct node { int a1, b1, c1; }; int ls[Max][3]; int l[Max]; int main() { ios::sync_with_stdio(false), cin.tie(0), cout.tie(0); int n; cin >> n; int m; map<int, int> ma; for...
3
#include <bits/stdc++.h> using namespace std; const char ans[9][10] = {"x^y^z", "x^z^y", "(x^y)^z", "y^x^z", "y^z^x", "(y^x)^z", "z^x^y", "z^y^x", "(z^x)^y"}; long double a[9]; long double x, y, z; int main() { cin >> x >> y >> z; a[0] = pow(y, z) * log(x); a[1] = pow(z, y) * log(x);...
4
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false), cout.tie(0), cin.tie(0); int t; cin >> t; while (t--) { int n; cin >> n; vector<pair<int, int>> A(n); vector<int> P; for (int i = 0; i < n; ++i) { cin >> A[i].first >> A[i].second; P.push...
6
#include<stdio.h> #include<math.h> #include<algorithm> #include<queue> #include<deque> #include<stack> #include<string> #include<string.h> #include<vector> #include<set> #include<map> #include<bitset> #include<stdlib.h> #include<cassert> #include<time.h> #include<bitset> using namespace std; const long long mod=1000000...
0
#include <bits/stdc++.h> using namespace std; const long long MAXN = 2e5 + 5; const long long INF = 1e9; const long long MOD = 1e9 + 33; int n, potega = 1; vector<int> p, q, tree; vector<int> ord_p, ord_q, show; void input() { cin >> n; while (potega < n) potega *= 2; p.resize(n + 5); q.resize(n + 5); for (in...
2
#include <bits/stdc++.h> using namespace std; const int MX_SZ = 2069; int main() { ios_base::sync_with_stdio(false); int k; cin >> k; static bool arr[MX_SZ][MX_SZ]; for (int i = 0; i <= k; i++) { for (int j = 0; j < (1 << i); j++) { for (int k = 0; k < (1 << i); k++) { arr[j][(1 << i) + k] =...
3
#include <bits/stdc++.h> using namespace std; const int N = -1; const int mod = 1e9 + 7; int sum(int a, int b) { int c = (a + b); if (c >= mod) c -= mod; return c; } int mul(int a, int b) { return 1ll * a * b % mod; } void solve() { int x; cin >> x; string s; cin >> s; int mx = 2 * x; int len = ((int)...
1
#include <bits/stdc++.h> using namespace std; const int N = 5e5 + 50; const long long INF = 1e18; long long a[N << 2], lazy[N << 2]; void pushup(int rt) { a[rt] = min(a[rt << 1 | 1], a[rt << 1]); } void pushdown(int rt) { if (lazy[rt]) { if (a[rt << 1] != INF) { a[rt << 1] += lazy[rt]; lazy[rt << 1] +...
6
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); long long int n, m, i; cin >> n >> m; long long int a[105], cumu[105], sum = 0; cumu[0] = 0; for (i = 1; i <= n; i++) { cin >> a[i]; sum += a[i]; cumu[i] = sum; } long long int ans = 0, l, r; for (i = 0...
2
#include <bits/stdc++.h> using namespace std; const long long mod = 1e9 + 7; const int maxn = 2e6 + 50; const long long inf = 1e17; struct Point { int x, y; }; int N, R, M, ans; vector<Point> vec; vector<int> anw, now; int dis(int x, int y) { return x * x + y * y; } bool cmp(Point a, Point b) { return dis(a.x, a.y) >...
5
#include <bits/stdc++.h> using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); long long n, m; cin >> n >> m; char a[110][10010]; for (long long i = 0; i <= n + 1; ++i) { a[i][0] = '#'; a[i][m + 1] = '#'; } for (long long i = 0; i <= m + 1; ++i) { a[0][i] = '#'; ...
5
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long int t = 1; while (t--) { long long int n; cin >> n; long long int a[n]; for (long long int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); long long int g = 0; ...
2
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int t; cin >> t; while (t--) { long long n, k; cin >> n >> k; vector<long long> v; for (int i = 0; i < n; i++) { long long x; cin >> x; v.push_back(x); } sor...
4
/* __ __ _ __ __ | || | (_) | | | | _ _ | || |_ _ _ __ ___ __ _ | |_ ___ _ __ __ _ | | | | | || || __|| || '_ ` _ \ / _` || __| / _ \ | '_ \ / _` || | | |_| || || |_ | || | | | | || (_| ...
1
#include <bits/stdc++.h> using namespace std; bool visited[201][201], start[201][201], cur[201][201]; int n, m, cycVal[201][201], val[1000001]; char board[201][201]; pair<int, int> vec[10], cyc; string query; bool valid(int r, int c) { return r >= 0 && r < n && c >= 0 && c < m; } bool check(int r, int c, int p) { if ...
5
#include <bits/stdc++.h> using namespace std; const int INF = 1<<28; const int MAXN = 11; int n; string a[MAXN], b[MAXN]; string src, dst; int ans; string change(const string &s, int k) { string t; for(int i = 0; i < s.size(); ++i) { if(s.substr(i, a[k].size()) == a[k]) { t += b[k]; i += a[k].siz...
0
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; const long long int INF = 9e18 + 2e17; const int inf = 2e9; const double eps = 1e-10; const int MX_V = 301; pair<vector<vector<int> >, vector<vector<int> > > calc(vector<int>& a) { int n = (int)(a).size(); vector<vector<int> > dp(2 * n * n, vect...
2
#include <bits/stdc++.h> using std::max; using std::min; const int inf = 0x3f3f3f3f, Inf = 0x7fffffff; const long long INF = 0x3f3f3f3f3f3f3f3f; std::mt19937 rnd(std::chrono::steady_clock::now().time_since_epoch().count()); template <typename _Tp> _Tp gcd(const _Tp &a, const _Tp &b) { return (!b) ? a : gcd(b, a % b);...
6
#include <iostream> #include <algorithm> #include <limits> using ll = long long; constexpr int MAX_N = 500000; int N; std::pair<ll, ll> arts[MAX_N]; int main(){ std::cin >> N; for(int i = 0; i < N; ++i){ std::cin >> arts[i].first >> arts[i].second; } std::sort(arts, arts + N); for(int i = 0; i < N; ++i...
0
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int N; cin >> N; vector<int> List; for (int i = 0; i < N; i++) { int A; cin >> A; auto itr = upper_bound(List.begin(), List.end(), -A); if (itr == List.end()) List.push_back(-A); else *itr = -A; } cout << List....
0
#include <iostream> #include <string> #include <vector> #include <deque> #include <queue> #include <algorithm> #include <set> #include <map> #include <bitset> #include <cmath> #include <functional> #include <complex> #define vv(a, b, c, d) vector<vector<d> >(a, vector<d>(b, c)) #define vvi vector<vector<int> > #define ...
0
#include <bits/stdc++.h> using namespace std; int m, n; int arr[105][105]; bool isSq(long long x) { long long xx = sqrt(.0 + x); for (int i = -2; i <= 2; ++i) if ((xx + i) * (xx + i) == x) return true; return false; } int buf[105]; long long sum[105]; int nn; bool perebor(int pos) { if (pos == nn) return is...
3
#include <bits/stdc++.h> using namespace std; int main() { int n, m; scanf("%d %d", &n, &m); vector<string> s(n); for (string &e : s) cin >> e; vector<vector<int> > a(n, vector<int>(m, 0)); for (int i = 0; i < n; i++) for (int j = 0; j < m; j++) scanf("%d", &a[i][j]); vector<int> dp(1 << n, (1 << 30))...
3
#include <bits/stdc++.h> using namespace std; int main() { int n, k, t; cin >> n >> k >> t; if (t <= k) { cout << t; return 0; } else if (t > k && t <= n) { cout << k; return 0; } else { cout << k - (t - n); return 0; } }
1
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; struct Node { vector<Node *> children; vector<Node *> parents; ll id = 0; }; Node *lca(Node *l, Node *r) { if (l->parents.size() > r->parents.size()) return lca(r, l); ll lb = 0, ub = l->parents.size(); while...
4
#include <bits/stdc++.h> using namespace std; const bool online_judge = true; const long long inf = 1LL << 60; long long toInt(string s) { long long res; stringstream ss; ss << s; ss >> res; return res; } string toString(long long n) { stringstream ss; ss << n; return ss.str(); } void run() { long lon...
2
#include <bits/stdc++.h> #pragma optimization_level 3 #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") using namespace std; const long long N = 1e5 + 5; const long long MAXN = 1e7 + 1; const long long mod = 1e9 + 7; const long l...
3
#include <bits/stdc++.h> using namespace std; const int maxn = 2e5 + 100; int a[maxn], ans[maxn]; int main() { int n; cin >> n; for (int i = 0; i < n; i++) cin >> a[i]; sort(a, a + n); for (int i = 0; i < n / 2; i++) ans[i * 2] = a[i + n / 2], ans[i * 2 + 1] = a[i]; if (n % 2) ans[n - 1] = a[n - 1]; i...
4
#include <bits/stdc++.h> using namespace std; long long a[300005]; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long n, i, j; cin >> n; for (i = 0; i < n; i++) { cin >> a[i]; } long long carry = 0, temp, ans = 0; for (i = 0; i < n; i++) { temp = min(a[i] / 2, carry);...
5
#include <bits/stdc++.h> using namespace std; int main() { long long int tt; cin >> tt; for (long long int qq = 0; qq <= tt - 1; qq++) { long long int n; cin >> n; long long int counter = 0; while (n % 5 == 0) { n = (n / 5) * 4; counter++; } while (n % 3 == 0) { n = (n / ...
1
#include <bits/stdc++.h> using namespace std; int main() { long long int a, b, c, d, s = 0, s2 = 0; cin >> a >> b >> c >> d; s = (a + 2) * 2 + b * 2 - c; s2 = (c + 2) + (d - 1) * 2; cout << s + s2 << endl; }
1
#include <bits/stdc++.h> using namespace std; int n, m; string s; int main() { cin >> n >> m >> s; if (n == 1 && m == 1) { cout << 0; return 0; } if (s[0] != '1' && m > 0) { s[0] = '1'; m--; } for (int i = 1; i < n; i++) { if (m == 0) break; if (s[i] != '0') { s[i] = '0'; ...
2
#include <bits/stdc++.h> using namespace std; int N; char buf[20]; string name[10010]; string sep; vector<string> v[20]; int used[20]; int main(void) { int sum = 0, i, j; scanf("%d", &N); for ((i) = 0; (i) < (int)(N); (i)++) { scanf("%s", buf); name[i] = buf; } scanf("%s", buf); sep = buf; for ((i...
4
#include <cstdio> #include <map> using namespace std; int n, m, a; map<int, int> mp; int main() { scanf("%d", &n); while(n--) { scanf("%d", &a); mp[a]++; } scanf("%d", &m); while(m--) { scanf("%d", &a); if(mp[a]==0) return !puts("NO"); mp[a]--; } puts("YES"); return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int numbers; cin >> numbers; int arr[numbers]; int arr2[numbers - 1]; int arr3[numbers - 2]; for (int i = 0; i < numbers; i++) { cin >> arr[i]; } for (int k = 0; k < numbers - 1; k++) { cin >> arr2[k]; } for (int l = 0; l < numbers -...
2
#include <bits/stdc++.h> using namespace std; template <typename T> inline T sqr(const T &a) { return a * a; } template <typename T> inline int nread(vector<T> &a) { int n; cin >> n; a.clear(); a.resize(n); for (int i = 0; i < n; i++) cin >> a[i]; return n; } int main() { int n, m, s, f; cin >> n >> m...
3
#include <bits/stdc++.h> using namespace std; using namespace std; vector<int> v; int bns(int l, int h, int k) { int ans = -1; while (l <= h) { int m = (l + h) / 2; if (v[m] <= k) { ans = m; l = m + 1; } else h = m - 1; } return ans; } int main() { ios_base::sync_with_stdio(false...
2
#include <iostream> #include <fstream> #include <stdio.h> #include <math.h> #include <time.h> #include <string> #include <tuple> #include <vector> #include <map> #include <list> #include <set> #include <stack> #include <queue> #include <cstdlib> #include <algorithm> #include <random> #include <cassert> using namespace ...
0
#include <bits/stdc++.h> #define double long double #define int long long #define rep(i,n) for(int i=0;i<n;i++) using namespace std; int h,w,cnt=0;char a[55][55]; signed main() { cin>>h>>w; rep(i,h){rep(j,w)cin>>a[i][j];} rep(i,h){ rep(j,w){ if(a[i][j]=='.'){ for(int k=-1;k<2;k++){ for(int l=-1;l<2;l++...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, a, b, count = 0; ; cin >> n >> a >> b; --a, --b; while (a != b) { a /= 2; b /= 2; n /= 2; count++; } if (n == 1) { cout << "Final!"; return 0; } cout << count; }
2
#include <iostream> using namespace std; int main() { int n; long long x, a[2000], b[2000], ans = 1e18; cin >> n >> x; for(int i=0;i<n;i++){ cin >> a[i]; b[i] = a[i]; } for(int j=0;j<n;j++){ long long s = x*j; for(int i=0;i<n;i++){ b[i] = min(b[i], a[...
0
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; int type0, type1; void dfs(int s, bool visited[], vector<int> adj[], int type[], int ctr) { if (visited[s]) return; visited[s...
5
#include <bits/stdc++.h> using ll = long long; const int MAXN = 5555; const int MOD = 1000000007; int fact[MAXN], rev[MAXN]; int dp[33][MAXN]; int sum[MAXN]; int N; std::string str; ll power(ll x, ll y, ll m) { if (y == 0) return 1; ll p = power(x, y / 2, m) % m; p = (p * p) % m; return (y % 2 == 0) ? p : (x * ...
6
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 233; int pre[maxn][21], last[maxn], a[maxn], val[maxn]; int ch[maxn * 20], lc[maxn * 20], rc[maxn * 20], rt[maxn]; int cnt = 0; void add(int l, int r, int& cur, int v) { cnt++; ch[cnt] = ch[cur] + 1; lc[cnt] = lc[cur]; rc[cnt] = rc[cur]; cur...
5
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("unroll-loops") #pragma GCC optimize("Ofast") #pragma GCC optimize("O0") #pragma GCC optimize("O1") long long pw(int a, int b) { long long ret = 1; long long mul = a; while (b > 0) { if (b & 1) ret *= mul; mul *= mul; b /= 2; } ret...
4
// 2012/11/19 Tazoe #include <iostream> using namespace std; int main() { bool is_prime[1000001]; is_prime[0] = is_prime[1] = false; for(int i=2; i<=1000000; i++){ is_prime[i] = true; } for(int i=2; i*i<=1000000; i++){ if(is_prime[i]){ for(int j=i*i; j<=1000000; j+=i){ is_prime[j] = false; } } ...
0
#include <stdio.h> #include <iostream> using namespace std; int main() { int t; while (cin >> t){ while (t / 39 != 0) { t = t - 39; } if (t == 0) { t = 39; } printf("3C%02d\n",t); } return 0; }
0
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 7; int n, s[N][26], p[N][26], sum[26]; char str[N]; int main() { scanf("%d", &n); scanf("%s", str + 1); for (int i = 1; i <= n; i++) for (int j = 0; j < 26; j++) if (j == str[i] - 'a') s[i][j] = s[i - 1][j] + 1; else ...
2
#include <bits/stdc++.h> struct ResItem { char c; int pos; ResItem(char _c, int _pos) { c = _c; pos = _pos; } }; bool sortfunction(const ResItem& i, const ResItem& j) { return (i.pos < j.pos); } int main(int argc, char* argv[]) { int k, n; std::string s; std::cin >> k >> s >> n; std::vector<in...
3
#include <bits/stdc++.h> template <typename T> T inline SQR(const T& a) { return a * a; } template <typename T> T inline ABS(const T& a) { return a < 0 ? -a : a; } template <typename T> T inline MIN(const T& a, const T& b) { if (a < b) return a; return b; } template <typename T> T inline MAX(const T& a, const T...
4
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6 + 5; int a[maxn], p, x, b[maxn]; inline bool check(int y) { memset(a, 0, sizeof(a)); int temp = 0, T; a[1] = y; for (int i = 2; i <= p; i++) { T = a[i - 1] * x + temp; a[i] = T % 10; temp = T / 10; } temp = 0; for (int i = 1; i...
2
// includes {{{ #include<iostream> #include<iomanip> #include<algorithm> #include<vector> #include<stack> #include<queue> #include<map> #include<set> #include<tuple> #include<cmath> #include<random> #include<cassert> // #include<deque> // #include<multiset> // #include<bitset> // #include<cstring> // #include<bits/stdc...
0
#include <bits/stdc++.h> using namespace std; const int INF = (int)1E9; int sg[5005], occur[5005], good[5005], sg2[5005]; char str[5005]; int main() { cin >> str; sg[1] = 1; for (int i = (2); i < (5005); i++) { memset(occur, 0, sizeof(occur)); for (int m = (0); m < (i); m++) { int l = max(m - 1, 0),...
5
#include <bits/stdc++.h> using namespace std; string a; long long int h[256]; int main() { long long int i, sum = 0; cin >> a; for (i = 0; i < a.length(); i++) { h[a[i]]++; } for (i = 0; i < 256; i++) { sum = sum + h[i] * h[i]; } cout << sum; }
2
#include <bits/stdc++.h> using namespace std; static inline void canhazfast() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); } template <typename T> T gcd(T a, T b) { return b == 0 ? a : gcd(b, a % b); } template <typename T> T extgcd(T a, T b, T &x, T &y) { T x0 = 1, y0 = 0, x1 = 0,...
4
#include<stdio.h> int n; int i,j; int ans; int order; typedef struct{ int wl,wr,tl,tr,le,ri; bool flag; }t_stick; t_stick st[100]; int max(int a,int b){ if(a>=b)return a; else return b; } int min(int a,int b){ if(a<=b)return a; else return b; } int gcd(int a,int b){ int x,y; x=max(a,b); y=min(a,b); if(a%b=...
0
#include <bits/stdc++.h> using namespace std; int n, k; int low, high, mid; int l, r; vector<int> v, vsum; bool searching() { l = 0, r = mid; int ones, zeros; while (r <= n) { ones = vsum[r] - vsum[l]; zeros = mid - ones; if (zeros <= k) { low = mid + 1; return true; } else { l++...
3
#include <bits/stdc++.h> using namespace std; long long p, k; long long val[111], ans[111]; int main() { cin >> p >> k; val[0] = -(p / k); for (int pw = 0; pw < 100; ++pw) { if (val[pw] == 0) { for (int i = pw; i >= 0; --i) { ans[i + 1] = val[i] + val[i + 1] * k; } ans[0] = val[0] * ...
2
#include<iostream> #include<string> #include<algorithm> #include<vector> using namespace std; int n,pos; vector<int>pre,in,post; void rec(int l,int r){ if(l >= r) return; int root = pre[pos++]; int m = distance(in.begin(),find(in.begin(),in.end(),root)); rec(l,m); rec(m + 1,r); post.push_back...
0
#include <bits/stdc++.h> using namespace std; int main() { int t; scanf("%d", &t); while (t--) { long long a, b, c; scanf("%lld %lld %lld", &a, &b, &c); printf("%lld\n", (a + b + c) / 2); } }
1
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; using vpii = vector<pii>; using vi = vector<int>; using vvi = vector<vi>; using ll = long long; using pll = pair<ll, ll>; using vpll = vector<pll>; using vll = vector<long long>; using vvll = vector<vll>; template <class T> using min_queue = prio...
1
#include <bits/stdc++.h> using namespace std; const long long N = 123456; long long n, m, x, l, r; vector<long long> v1; vector<long long> v2; long long a1[N]; long long a2[N]; int main() { scanf("%lld", &n); for (int i = 0; i < n; i++) { scanf("%lld", &x); v1.push_back(x); } v2 = v1; sort(v2.begin(),...
2
#include <bits/stdc++.h> using namespace std; using lint = long long; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int tc; cin >> tc; while (tc--) { lint a, b; cin >> a >> b; if (a < b) swap(a, b); if (a == b) cout << 0 << " " << 0 << '\n'; else { cout << (a - b) << " " << min(a % (a -...
1
#include <bits/stdc++.h> using namespace std; int N, Y[50001]; set<int> pos[50001]; set<int> used; priority_queue<int> q; int next(int x) { int temp = x; while (x != 0) { if (used.count(x) == 0) return x; x /= 2; } return temp; } int main() { cin >> N; for (int i = 0; i < N; i++) { cin >> Y[i]; ...
4
#include <bits/stdc++.h> using namespace std; int C[105][105]; const int mod = int(1e9) + 7; int qt[10]; long long dp[105][10]; long long solve(int pos, int digit) { if (digit == 10 && pos == 0) return 1; if (digit == 10) return 0; long long &ans = dp[pos][digit]; if (ans != -1) return ans; ans = 0; if (dig...
2
#include <bits/stdc++.h> using namespace std; const long long N = 1e6 + 10; long long n, q, d[N]; long long a[N << 2], m[N << 2], s[N << 2]; void init() { for (long long i = 1; i < N; i++) { for (long long j = i; j < N; j += i) { d[j]++; } } } void build(long long t, long long l, long long r) { if (...
6
#include <bits/stdc++.h> using namespace std; int hmt() { int x = 0; int c = getchar(), n = 0; for (; !isdigit(c); c = getchar()) n = (c == '-'); for (; isdigit(c); c = getchar()) x = x * 10 + c - '0'; if (n) x = -x; return x; } const int N = 300010; int n, t[4 * N], mem[4 * N]; void tran(int s) { int x =...
4
#include <bits/stdc++.h> using namespace std; int a[1005]; int h; vector<int> v; bool chec(int x) { v.clear(); for (int i = 0; i < x; i++) v.push_back(a[i]); sort(v.begin(), v.end()); long long p = h; for (int i = v.size() - 1; i >= 0; i -= 2) p -= v[i]; return (p >= 0); } int main() { ios::sync_with_stdi...
2
#include <stdio.h> #include <cmath> #include <algorithm> #include <cfloat> #include <stack> #include <queue> #include <vector> #include <string> #include <iostream> #include <set> #include <map> #include <time.h> typedef long long int ll; typedef unsigned long long int ull; #define BIG_NUM 2000000000 #define MOD 100000...
0
#include <bits/stdc++.h> using namespace std; int N, M, X, Y, dx, dy; map<pair<int, int>, int> F; void doit() { char s[3]; long long ans = 1; scanf("%d%d%d%d%s", &N, &M, &X, &Y, s), dx = s[0] == 'U' ? -1 : 1, dy = s[1] == 'L' ? -1 : 1; for (int i = 1; i <= (N + M) * 2; ...
4
#include <bits/stdc++.h> using namespace std; int dp[500003], city[500003]; int main() { int m, n, maxx, s; int a[200], ans[200], anss; while (scanf("%d%d", &m, &n) != EOF) { memset(ans, 0, sizeof(ans)); for (int i = 1; i <= n; i++) { maxx = -1; for (int j = 1; j <= m; j++) { scanf("%d...
1
#include <bits/stdc++.h> using namespace std; int r, n; int buil[50] = {0}; double sun[50] = {0.0}; void sunset(); double solve(); int main() { cout << fixed << setprecision(8); int i, j, le, ri, he; while(1) { cin >> r >> n; for(i = 0; i < 50; ++i) buil[i] = 0; for(i = 0; i < 50; ++i) sun[i] = -99...
0