solution
stringlengths
53
181k
difficulty
int64
0
27
#include <bits/stdc++.h> using namespace std; int main() { int na, ma, nb, mb; string A[51], B[51]; cin >> ma >> na; for (int i = 1; i <= ma; ++i) { cin >> A[i]; A[i] = " " + A[i]; } cin >> mb >> nb; for (int i = 1; i <= mb; ++i) { cin >> B[i]; B[i] = " " + B[i]; } int r1, r2, m = 0; ...
6
#include <bits/stdc++.h> using namespace std; long long mult(long long a, long long b, long long p = (int)(1e9 + 7)) { return ((a % p) * (b % p)) % p; } long long add(long long a, long long b, long long p = (int)(1e9 + 7)) { return (a % p + b % p) % p; } long long fpow(long long n, long long k, long long p = (int)(...
2
#include <bits/stdc++.h> using namespace std; const double EPS = (1e-11); const double PI = acos(-1.0); const int INF = 9999999; const int MOD = (1e9 + 7); bool cmp(pair<int, int> a, pair<int, int> b) { return a.first < b.first; } int main(void) { ios_base::sync_with_stdio(false); int n, days, x, curr = 0; vector...
2
#include <bits/stdc++.h> using namespace std; inline int Set(int N, int pos) { return N = N | (1 << pos); } inline int Reset(int N, int pos) { return N = N & ~(1 << pos); } inline bool check(int N, int pos) { return (bool)(N & (1 << pos)); } template <class T> T gcd(T a, T b) { return (!b) ? a : gcd(b, a % b); } temp...
8
#include <bits/stdc++.h> std::mt19937 rng( (int)std::chrono::steady_clock::now().time_since_epoch().count()); int main() { std::ios_base::sync_with_stdio(false); std::cin.tie(NULL); int t; std::cin >> t; while (t--) { int n; std::string a, b; std::cin >> n >> a >> b; int l = 0, r = n - 1; ...
5
#include <bits/stdc++.h> using namespace std; int main() { int k; scanf("%d", &k); for (int i = 1; i < k; i++) { for (int j = 1; j < k; j++) { if (j != k - 1) { if (j != 1) printf("%2d ", i * j / k * 10 + (i * j) % k); else printf("%d ", i * j); } else { ...
5
#include <bits/stdc++.h> using namespace std; const double eps = 1e-8; const int maxn = 2005; const int mod = 1e9 + 7; const int inf = 0x3f3f3f3f; int t; int n, m, k; int cnt[26]; bool vis[maxn]; char s[maxn]; int main() { scanf("%d", &t); while (t--) { memset(cnt, 0, sizeof cnt); scanf("%d%d", &n, &k); ...
11
#include <bits/stdc++.h> using namespace std; long long b[100061]; long long n, s = 0, k, m; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> k; s += k; } for (int i = 1; i <= n; i++) cin >> b[i]; sort(b + 1, b + n + 1); n = b[n - 1] + b[n]; if (n >= s) cout << "YES"; else co...
1
#include <bits/stdc++.h> using namespace std; struct island { long long u, v; }; struct bg { long long u, v; int cs; }; const int nm = 200002; int n, m; island a[nm]; bg c[nm]; int kq[nm]; set<pair<long long, int> > b; bool cmp2(bg a, bg b) { if (a.v != b.v) return a.v < b.v; return a.u < b.u; } int main() { ...
12
#include <bits/stdc++.h> using namespace std; int N, M, K, W; char S[1002][12][12]; int D[1002][1002]; int dist[1002]; int Res[1002][2]; bool used[1002]; int bef[1002]; int cost; int main() { scanf("%d%d%d%d", &N, &M, &K, &W); for (int k = 1; k <= K; k++) { for (int i = 0; i < N; i++) scanf("%s", S[k][i]); ...
10
#include <bits/stdc++.h> using namespace std; int main() { int a, b, x; cin >> a >> b >> x; int turn = 0, y; while (x >= 0) { y = 1; if (turn == 0) { for (int i = 1; i <= max(a, x); i++) { if (a % i == 0 && x % i == 0) y = max(y, i); } if (y <= x) { x -= y; turn...
0
#include<bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define cl CLOCKS_PER_SEC #define pi acos(-1.0) #define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define flw freopen ("0output.txt","w",stdout) #define flr freopen ("0input.txt","r",stdin) #define no1s...
13
#include <bits/stdc++.h> using namespace std; int32_t main() { long long t; cin >> t; while (t--) { long long n, S = 0, ans = 0; cin >> n; string s; cin >> s; map<long long, long long> mp; mp[0]++; for (long long i = 0; i < s.size(); i++) { S += s[i] - '0'; ans += mp[S - (i...
8
#include <bits/stdc++.h> using namespace std; const double PI = acos(-1); const double eps = 1e-12; const int inf = 2000000000; long long int MOD = 1000000007; int MOD1 = 1000000007; int MOD2 = 1000000009; inline bool checkBit(long long int n, long long int i) { return n & (1LL << i); } inline long long int setBit(lo...
0
#include <bits/stdc++.h> using namespace std; int q, l, r, k; vector<int> x[10]; long long calc(int n) { long long sum = 1; while (n != 0) { if (n % 10) sum *= n % 10; n /= 10; } return sum; } void init() { for (int i = 1; i <= 1000000; i++) { int ret = i; while (ret > 9) ret = calc(ret); ...
5
#include <bits/stdc++.h> using namespace std; int main() { int xx = 0; int t; cin >> t; while (t--) { long long n, k, i; string s; cin >> n >> k >> s; long long num = 0, d = k; for (i = 0; i < n; i++) { if (s[i] == '1') { if (d < k) num--; d = 0; } if (s[i] ...
5
#include <bits/stdc++.h> using namespace std; using ll = long long; struct city { city *before = nullptr, *after = nullptr; ll id; }; unordered_map<ll, city> cities; unordered_map<ll, vector<ll>> rule_map; int main() { ll n; cin >> n; for (ll i = 0; i < n; i++) { pair<ll, ll> rule; cin >> rule.first >...
9
#include<bits/stdc++.h> using namespace std; int n; bool check(int a[2222]) { bool f=true; for(int i=1;i<n*2;i++) { if(a[i+1]<a[i]) { f=false; break; } } return f; } int main() { int a[2222]; cin>>n; for(int i=1;i<=n*2;i++) cin>>a[i]; if(check(a)) { cout<<0; return 0; } if(n%2==0)//n��ż�� ...
4
#include <bits/stdc++.h> using namespace std; long long i, j, n, p, m, k, k1, k2, y, x, xs, ys, zs, xf, yf, zf, fldgjdflgjhrthrl, fldggfhfghjdflgjl, fldgjdflgrtyrtyjl, ffgfldgjdflgjl, x3, y3, kk, l, r, a[1005][1005]; string s; vector<string> f; vector<long long> edges; vector<pair<long long, long long> > ans; i...
11
#include <bits/stdc++.h> using namespace std; const int mn = 3e5 + 1; int n, m, tree[mn * 4], k, d[mn]; struct query { int l, r, x; }; query queries[mn]; void update(int id, int l, int r, int x, int y, int val) { if (y < l || x > r) { return; } if (x <= l && y >= r) { tree[id] = val; return; } i...
7
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; int n; double p1[N], p2[N], f[N]; int main() { scanf("%d", &n); for (int i = 1; i <= n; ++i) { double p; scanf("%lf", &p); p1[i] = p * (p1[i - 1] + 1); f[i] = f[i - 1] + p * (1 + 2 * p1[i - 1]); } printf("%.10lf\n", f[n]); }
12
#include <bits/stdc++.h> using namespace std; namespace IO { void setIn(string s) { freopen(s.c_str(), "r", stdin); } void setOut(string s) { freopen(s.c_str(), "w", stdout); } void setIO(string s = "") { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin.exceptions(cin.failbit); if (s.size()) { ...
14
#include <bits/stdc++.h> using namespace std; long long int fac[200005], finv[200005], inv[200005]; long long int dp[2005][32]; pair<int, int> pos[2005]; void make() { inv[1] = 1; fac[0] = fac[1] = finv[0] = finv[1] = 1; for (int i = 2; i < 200005; i++) { inv[i] = 1000000007 - inv[1000000007 % i] * (100000000...
21
#include <bits/stdc++.h> using namespace std; int n; double x[100], y[100], z[100]; int main() { scanf("%d", &n); for (int i = 0; i < (n); i++) scanf("%lf%lf%lf", x + i, y + i, z + i); double x0 = 0, y0 = 0, z0 = 0, lambda = 1; for (int _ = 0; _ < (100000); _++) { int i_opt; double d_opt = -1; for (...
13
#include <bits/stdc++.h> using namespace std; const int mod = 998244353; int n, m, k, a[600086]; int tsum[5005][5005], dp[5005][5005]; int bound[5005], ans; int add(int x, int y) { int sum = x + y; if (sum >= mod) sum -= mod; return sum; } int solve1(int x) { tsum[1][0] = 0; for (int i = 1; i <= k; i++) { ...
17
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4.2") using namespace std; inline void opting() { ios_base::sync_with_stdio(false); cout.tie(0); cin.tie(0); } long long inp() { long long x; cin >> x; return x; } void make_unique(vector<long long...
17
#include <bits/stdc++.h> using namespace std; int maxn, n, t, a; int main() { cin >> n; int x, y; for (int i = 1; i <= n; i++) { cin >> x >> y; a = a - x + t; if (a < 0) { a = 0; } a = a + y; maxn = max(maxn, a); t = x; } cout << t + a << " " << maxn << endl; return 0; }
3
#include <bits/stdc++.h> using namespace std; int dp[5000002], a[1000002]; int main() { int n; scanf("%d", &n); int i, j; int tmp = (1 << 22) - 1; for (i = 0; i < n; i++) { scanf("%d", &a[i]); dp[a[i]] = a[i]; } for (i = 1; i <= tmp; i++) { for (j = 0; j < 22; j++) { if (i & (1 << j)) { ...
14
#include <bits/stdc++.h> using namespace std; set<int> a[100100]; void check(vector<int> &group0, vector<int> &group1) { for (int x : group0) for (int y : group1) if (!a[x].count(y)) { cout << -1 << endl; exit(0); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, ...
11
#include <bits/stdc++.h> using namespace std; const int mod = int(1e9) + 7; const int maxn = 20; int n, m, color; long long ans; int a[maxn][maxn], sett[maxn][maxn]; int used[maxn * maxn]; int Lg[10000]; void init() { scanf("%d%d%d", &n, &m, &color); if (n + m - 1 > color) { printf("0\n"); exit(0); } fo...
19
#include <bits/stdc++.h> using namespace std; int main() { int n, m, k; cin >> n >> m >> k; int r = 1, c = 1; for (int i = 1; i <= 2 * (k - 1); i++) { if (i % 2) cout << "2 "; if (r % 2) { cout << r << " " << c << " "; c++; if (c > m) { r++; c = m; } } else { ...
7
#include <bits/stdc++.h> using namespace std; int main() { int v[100005] = {0}; int n, k; cin >> n >> k; cout << "1 "; int i = 1; v[1] = 1; bool ok = true; while (k) { if (ok) { cout << i + k << " ", v[i + k] = 1, i = i + k; } else { cout << i - k << " ", v[i - k] = 1, i -= k; } ...
4
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; std::vector<long int> indices; std::vector<long int> t; long int l = s.length(); for (long int i = 0; i < l; i++) { if (s[i] == 'F') indices.push_back(i); } long int siz = indices.size(); long int temp; for (long int ...
12
#include <bits/stdc++.h> using namespace std; int n, m; int main() { scanf("%d%d", &n, &m); if (m == 3) { if (n == 4) { printf("0 0\n3 0\n0 3\n1 1\n"); return 0; } if (n >= 5) { printf("-1\n"); return 0; } } for (int i = 0; i < m; i++) printf("%d %d\n", i, 100000 + i * i)...
15
#include <bits/stdc++.h> using namespace std; int a[505][505]; int dp[4][505][505]; string ss = "RGYB"; const int N = 510, M = 301000; int n, m, q, cnt[6][N][N], ans[M]; int r1[M], c1[M], r2[M], c2[M]; char s[N]; vector<pair<int, int> > len[505]; vector<pair<int, int> > len1[505]; int find(int col, int l, int x1, int y...
17
#include <bits/stdc++.h> using namespace std; const int MAX = 100000; struct revenge { int a, b, count; } shagun[MAX]; int n, p, k, i, position = -1; long long int sum = 0; multiset<int> s; long long int priority[MAX]; bool compare1(const revenge &x, const revenge &y) { return x.b < y.b || (x.b == y.b && x.a > y.a)...
14
#include <bits/stdc++.h> using namespace std; int main() { long long n; long long k; cin >> n >> k; if (n % 2 == 0) { if (k <= (n / 2)) { cout << 2 * k - 1; } else { cout << 2 * (k - n / 2); } } else { if (k <= (n + 1) / 2) { cout << 2 * k - 1; } else { cout << 2 * ...
1
#include<bits/stdc++.h> using namespace std; #define ll long long int const int mod = 1e9+7; int main() { int t; cin>>t; while(t--) { string s; cin>>s; bool flag=0; for(auto x:s) { if(x!='a'){ flag=1; break; } } if(flag==0) cout<<"NO\n"; else{ cout<<"YES\n"; int j=s.size()-1; ...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 0; int n, hh, mm, hunger, inc, cost, decr; int main() { cin >> hh >> mm; cin >> hunger >> inc >> cost >> decr; double one = 0.0, two = 0.0; if (hh < 20) { int buy = ceil((double)hunger / (double)decr); one = buy * cost; double newcost = ...
3
#include <bits/stdc++.h> using namespace std; int xx, yy, x2, y2, v, t, vx, vy, wx, wy; bool check(double max) { double bx = x2, by = y2; if (t > max) { bx += (0 - vx) * max; by += (0 - vy) * max; } else { bx += (0 - vx) * t + (0 - wx) * (max - t); by += (0 - vy) * t + (0 - wy) * (max - t); } ...
13
#include <bits/stdc++.h> template <class T> inline void read(T &x) { x = 0; register char c = getchar(); register bool f = 0; while (!isdigit(c)) f ^= c == '-', c = getchar(); while (isdigit(c)) x = x * 10 + c - '0', c = getchar(); if (f) x = -x; } template <class T> inline void print(T x) { if (x < 0) pu...
8
#include <bits/stdc++.h> using namespace std; long long int MAX = 1e7 + 1; long long int mod = 1e9 + 7; void solve() { long long int n, m; m = 6; vector<long long int> a(m); for (long long int i = 0; i < m; i++) cin >> a[i]; cin >> n; vector<long long int> b(n); for (long long int i = 0; i < n; i++) cin >...
11
#include <bits/stdc++.h> int main() { int n, sum = 0, f = 0, x = 0, y = 0, i; int a[1000]; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); sum += a[i]; } if (sum % n != 0) { puts("Unrecoverable configuration."); return 0; } for (i = 0; i < n; i++) { if (a[i] != sum / n...
5
#include <bits/stdc++.h> const int MAX_LEN = 1010; using namespace std; template <typename U, typename V> string to_string(pair<U, V>); string to_string(const string& e_) { return "\"" + e_ + "\""; } string to_string(char e_) { return "\'" + string(1, e_) + "\'"; } string to_string(bool e_) { return e_ ? "true" : "fals...
0
#include <bits/stdc++.h> using namespace std; const int N = 100000; class problem { int n; string u[N][2]; int p[N]; bool haveSolution() { int h[N]; for (int i = (0); i <= (int)((n)-1); ++i) { if (u[p[i]][0] < u[p[i]][1]) h[p[i]] = 0; else h[p[i]] = 1; } for (int i = ...
6
#include <bits/stdc++.h> using namespace std; const int N = 200 * 1000 + 13; int n; long long T; int a[N]; int f[N]; void upd(int x) { for (int i = x; i < N; i |= i + 1) ++f[i]; } int get(int x) { int res = 0; for (int i = x; i >= 0; i = (i & (i + 1)) - 1) res += f[i]; return res; } int main() { scanf("%d%lld...
10
#include <bits/stdc++.h> using namespace std; int main() { int n, a1, a2, a3, b1, b2, b3, cups(0), medals(0), cu(0), sh(0); cin >> a1 >> a2 >> a3 >> b1 >> b2 >> b3 >> n; cups = a1 + a2 + a3; medals = b1 + b2 + b3; if (cups <= 5 && cups > 0) n--; else while (cups > 5) { n--; cups -= 5; ...
0
#include <bits/stdc++.h> using namespace std; int main() { int f, n; cin >> f; n = 0; cout << n << " " << n << " " << f << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; bool debug = false; int n, m, k; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; long long ln, lk, lm; const int mod = 1e9; int a[200105]; long long f[200105], sf[200105]; long long s[1 << 20], s1[1 << 20], T[1 << 20]; long long gett(long long f1, long long f2, int cnt) {...
7
#include <bits/stdc++.h> using namespace std; int main() { long long int n; cin >> n; string a, b; cin >> a >> b; int cum = 0, cnt = 0, d = 0; for (int i = 0; i < n; i++) { if (a[i] == '1') cum++; if (a[i] == '0' && b[i] == '1') d++; } long long int sum = 0; for (int i = 0; i < n; i++) { i...
4
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-ffloat-store") #pragma GCC optimize("-fno-defer-pop") using namespace std; int t = 0; vector<int> tin, tout, p, d; vector<vector<int> > graph; void mkgph(int n) { while (--n) { int v, u; cin >> v...
11
#include <bits/stdc++.h> using namespace std; vector<string> token(string a) { vector<string> w; a.push_back(' '); while (!a.empty()) { w.push_back(a.substr(0, a.find(" "))); a = a.substr(a.find(" ") + 1, a.size() - 1); } return w; } map<string, int> mapik; vector<string> amapik; int dodaj(string a) {...
6
#include <bits/stdc++.h> int const Max = 250000; char a[Max], b[Max]; bool isequal(char *a, char *b, int length) { if (!strncmp(a, b, length)) return true; if (length % 2) return false; int mid = length / 2; if (isequal(a, b + mid, mid) && isequal(a + mid, b, mid)) return true; if (isequal(a, b, mid) && isequ...
9
#include <bits/stdc++.h> using namespace std; int n; int res = 0; set<int> second; void dfs(long long v, int x, int y) { if (v <= n) { second.insert((int)v); if (!(v == 0 && x == 0)) { dfs(v * 10 + x, x, y); } if (!(v == 0 && y == 0)) { dfs(v * 10 + y, x, y); } } } int main() { ios...
8
#include <bits/stdc++.h> double eps = 1e-9; using namespace std; int arr[1000001]; int high(int n) { int last = 0; while (n != 0) { last++; n /= 2; } return (1 << (last - 1)); } void func(int n) { if (n < 0) { return; } if (n == 0) { arr[0] = 0; return; } int last = high(n); int ...
9
#include <bits/stdc++.h> using namespace std; inline void p(vector<long long int> x, int n) { int i; for (i = 0; i < n; i++) cout << x[i] << " "; cout << "\n"; } void rev(char &a) { if (a == '1') a = '0'; else { a = '1'; } } void solve() { long long int M, K, k, i, j, tot = 0, ro = 0, re = 0, bo =...
7
#include <bits/stdc++.h> using namespace std; string s; int ct1[10], ct2[10]; int main() { cin >> s; for (int i = 0; i < s.size(); i++) ct1[s[i] - '0']++; for (int i = 0; i < 10; i++) ct2[i] = ct1[i]; int changed = 0, zero, start; int best = ct1[0]; string b1 = s, b2 = s; sort(b1.rbegin(), b1.rend()); s...
11
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long t, sx, sy, ex, ey, dx, dy, time = 0; string s; char x, y; cin >> t >> sx >> sy >> ex >> ey; cin >> s; for (auto ch : s) { if (sx == ex and sy == ey) break; if (ch == 'N' and sy <...
4
#include <bits/stdc++.h> using namespace std; int n, a[505][505], f[505][505], g[505][505]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) scanf("%d", &a[i][j]); for (int i = 0; i < n; i++) f[i][i] = g[i][i] = 1; for (int l = 2; l <= n; l++) for (int i = 0; i < n; ...
17
#include <bits/stdc++.h> using namespace std; bool pal(string s) { int i = 0, j = s.size() - 1; while (i <= j) { if (s[i] != s[j]) return false; i++; j--; } return true; } int main() { vector<int> v; string s, k; int i = 0, j = 0, l, p = 0; cin >> s >> k; int sz = s.size(); while (i < sz...
7
#include <bits/stdc++.h> using namespace std; int n; int sum[1 << 18], mx[1 << 18], e[1 << 18]; const int off = 1 << 17; vector<int> ans; void stUpdate(int pos, int val, int ee) { pos += off; sum[pos] = mx[pos] = val; e[pos] = ee; for (pos >>= 1; pos >= 1; pos >>= 1) { int le = 2 * pos; int ri = le + 1;...
14
#include <bits/stdc++.h> using namespace std; const int maxn = 2e3 + 10; long long dp[maxn][maxn][3]; int a[maxn]; long long pre[maxn], suf[maxn]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 1; i <= n; i++) pre[i] = pre[i - 1] + (a[i] == 1); for (int i = ...
10
#include <bits/stdc++.h> using namespace std; int n, p; bool si = false; int main() { scanf("%d", &n); scanf("%d", &p); while (p > 0) { if (si) printf("RL"); si = true; printf("P"); p--; } si = false; for (int i = 1; i < n; i++) { printf("R"); scanf("%d", &p); while (p > 0) { ...
4
#include <bits/stdc++.h> using namespace std; const int INF = 1000000000; const int prime = 9241; long long modulo = (long long)1e13; long long multiply(long long a, long long b) { long long res = 0, v = a; while (b) { if (b & 1ll) res = res + v; if (res >= modulo) res -= modulo; v = v + v; if (v >=...
21
#include <bits/stdc++.h> using namespace std; string arr; int n, sum = 0; void print(int n1 = -1, int n2 = -1) { if (sum == 0) { cout << 0; return; } for (int i = 0; i < n; i++) { if (arr[i] - 48 == n1) { n1 = -1; continue; } else if (arr[i] - 48 == n2) { n2 = -1; continue;...
8
#include <bits/stdc++.h> using namespace std; const long long N = 2e5 + 100, C = 26, base = 987, MOD = 99999199999; long long val[C], num[C], valT[C], numT[C], p[N]; queue<long long> pos[C]; map<long long, long long> mp; vector<long long> ans; bool mark[C]; string s, t; long long n, m, cnt, hT; inline long long Hash(st...
16
#include <bits/stdc++.h> using namespace std; int digits(int n) { int a, b, c, d; a = n % 10; b = (n / 10) % 10; c = (n / 100) % 10; d = (n / 1000) % 10; if (a != b && a != c && a != d && b != c && b != d && c != d) return 1; return 0; } int main() { int n, x; cin >> n; for (int i = n + 1; i < 9100;...
0
#include <bits/stdc++.h> int n; int main() { scanf("%d", &n); puts("YES"); for (int i = 0, x, y, _, __; i < n; ++i) { scanf("%d%d%d%d", &x, &y, &_, &__); printf("%d\n", (((x & 1) << 1) | (y & 1)) + 1); } return 0; }
13
#include <bits/stdc++.h> using namespace std; const long long int huge = 1e17; long long int max(long long int a, long long int b) { if (a > b) return a; return b; } long long int min(long long int a, long long int b) { if (a < b) return a; return b; } long long int abbs(long long int a, long long int b) { if...
1
#include <bits/stdc++.h> using namespace std; const long long int N = 2e5 + 5; const long long int M = 1e9 + 7; int32_t main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); ; long long int n, k; cin >> n >> k; long long int low = 1, high = (1e18) + 1; long long int ans = -1; while (low <= h...
13
#include <bits/stdc++.h> using namespace std; int a[10000005]; bool cmp(int a, int b) { return a > b; } int main() { int n; scanf("%d", &n); int ans = 0; for (int i = 1; i <= n; i++) scanf("%d", &a[i]), ans += a[i]; sort(a + 1, a + 1 + n, cmp); int temp = 1e9; for (int i = 1; i < n; i++) { for (int j ...
5
#include <bits/stdc++.h> using namespace std; void solve() { int n; cin >> n; vector<int> ans; int power = 1; while (n > 0) { if (n % 10 > 0) { ans.push_back((n % 10) * power); } n /= 10; power *= 10; } cout << ans.size() << endl; for (auto number : ans) cout << number << " "; co...
0
#include <bits/stdc++.h> int a[200005]; int d[200005]; int main() { int n; scanf("%d", &n); int minim = 2000000000; for (int i = 1; i <= n; ++i) { scanf("%d", &a[i]); if (minim > a[i]) minim = a[i]; } int maxim = 0; for (int i = 1; i <= n; ++i) { if (a[i] == minim) { d[i] = 0; } else...
5
#include <bits/stdc++.h> using namespace std; int main() { string s, t, x; cin >> s >> t >> x; map<char, char> m; for (int i = 0; i < 26; i++) { m[s[i]] = t[i]; m[toupper(s[i])] = toupper(t[i]); } for (int i = 0; i < x.size(); i++) { if (isdigit(x[i])) cout << x[i]; else cout << ...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int t; cin >> t; while (t--) { long long n, a[100001]; cin >> n; if (n == 1) { cout << -1 << endl; } else { for (long long i = 0; i < n; i++) { if (i != n - 1) { ...
2
#include <bits/stdc++.h> using namespace std; int main() { int n, ma = 360; cin >> n; int arr[n]; int s = 0; int g = 0; for (int i = 0; i < n; i++) cin >> arr[i]; for (int i = 0; i < n; i++) { s = 0; if (i == n - 1) break; for (int j = i; j < n + i; j++) { s += arr[j % n]; g = 360 ...
4
#include <bits/stdc++.h> using namespace std; int dirK[8][2] = {{-2, 1}, {-1, 2}, {1, 2}, {2, 1}, {2, -1}, {-1, -2}, {1, -2}, {-2, -1}}; int dir8[8][2] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}, {-1, -1}, {1, 1}, {1, -1}, {-1, 1}}; int dir4[4][2] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; i...
4
#include <bits/stdc++.h> using namespace std; int n, m, ans, a[100001], b[100001], k, x, y, p, mid, sz; vector<int> g[100001]; map<int, int> st; set<int> q; string s, s2; char c; int main() { cin >> n >> k >> p >> x >> y; for (int i = 1; i <= k; i++) { cin >> a[i]; mid += a[i]; b[i] = a[i]; sz++; ...
9
#include <bits/stdc++.h> using namespace std; int sg[100005]; int ans[100005]; int getSG(int n) { if (sg[n] != -1) { return sg[n]; } bool vis[100] = {false}; int y = n + n; for (int k = 2; k < y; k++) { if (y % k == 0) { int a = y / k - k + 1; if (a > 0 && a % 2 == 0) { a >>= 1; ...
12
#include <bits/stdc++.h> using namespace std; vector<long long> v, v1; const long long MAX = 1e18; void pre() { for (long long i = 2; i < 1000000; i++) { long long p = i * i * i; long long sq = sqrt(i); if (sq * sq == i) continue; while (p > 0 and p < MAX and p % i == 0) { long long x = sqrt(p);...
13
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1.0); const int inf = 0x3f3f3f3f; const double eps = 1e-15; int vis[1001010]; void ex_gcd(int a, int b, int &x, int &y) { if (!b) { x = 1; y = 0; } else { ex_gcd(b, a % b, y, x); y -= x * (a / b); } } int gcd(int a, int b) { ret...
14
#include <bits/stdc++.h> using namespace std; int main() { string str; vector<char> v; getline(cin, str); for (int i = 0; i < str.size(); i++) { if (v.empty() || v.back() != str[i]) v.push_back(str[i]); else v.pop_back(); } vector<char>::iterator it; for (it = v.begin(); it != v.end();...
6
#include <bits/stdc++.h> using namespace std; signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s; cin >> s; long long n = s.size(); long long two = -1, five = -1, seven = -1, zero1 = -1, zero2 = -1; for (long long i = 0; i < n; ++i) { if (s[i] == '2') { two = i; } e...
13
#include <bits/stdc++.h> using namespace std; const int oo = 1e9; const int MOD = 1e9 + 7; const int N = 5e5; vector<int> g[N]; int pres[N], p[N], sub[N]; int root(int u) { while (u != p[u]) { p[u] = p[p[u]]; u = p[u]; } return u; } void merge(int uu, int vv) { int u = root(uu), v = root(vv); if (u ==...
11
#include <bits/stdc++.h> using namespace std; template <typename T> void Read(T &x) { char ch; bool neg = 0; x = 0; while (!isdigit(ch = getchar()) && ch != '-') ; if (ch == '-') { neg = 1; ch = getchar(); } do { x = x * 10 + ch - 48; } while (isdigit(ch = getchar())); if (neg) x = -x;...
13
#include <bits/stdc++.h> int arr[20]; using namespace std; int main() { int n, l, r, x; scanf("%d", &n); ; scanf("%d", &l); ; scanf("%d", &r); ; scanf("%d", &x); ; for (int i = 0; i < n; i++) { scanf("%d", &arr[i]); ; } int ans = 0; for (int i = 0; i < (1 << n); i++) { int minv = I...
6
#include <bits/stdc++.h> using namespace std; int n, a[55]; pair<int, int> dp[55][2]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &a[i]); } dp[n - 1][0] = make_pair(0, a[n - 1]); dp[n - 1][1] = make_pair(a[n - 1], 0); for (int i = n - 2; i >= 0; i--) { if (a[i] + dp[i + 1...
7
#include <bits/stdc++.h> using namespace std; int main() { int a, i; char str[1009]; scanf("%d", &a); cin >> str; if (str[0] == '0' && a > 1) { cout << "No solution" << endl; return 0; } for (i = 1; i < a; i++) { str[i] = '0'; } str[i] = '\0'; cout << str << endl; }
3
#include <bits/stdc++.h> using namespace std; const int mn = 2e5 + 5; const int mod = 1e9 + 7; int n, q; int a[mn]; bool is_cycle[mn]; int cycc[mn]; vector<int> cycle[mn]; int cycnt; int cyid[mn]; int to[mn]; int dist[mn]; vector<int> rg[mn]; int vis[mn]; vector<int> st; void dfs(int x) { if (vis[x] == -1) { int ...
21
#include <bits/stdc++.h> using namespace std; bool solve(string s) { int n = s.size(); if (n < 5) return 0; bool search = 0; for (int i = 0; i < n; ++i) if (isdigit(s[i])) search = 1; if (!search) return 0; search = 0; for (int i = 0; i < n; ++i) if (islower(s[i])) search = 1; if (!search) retur...
0
#include <bits/stdc++.h> using namespace std; void debug_out() { cerr << endl; } void clock_out() { cerr << "\nTime Elapsed : " << 1.0 * clock() / CLOCKS_PER_SEC << " s\n"; } void fileio() { freopen("/home/dwai/Desktop/cp/input.txt", "r", stdin); freopen("/home/dwai/Desktop/cp/output.txt", "w", stdout); freopen...
7
#include <bits/stdc++.h> using namespace std; int main() { int p, q, l, r; scanf("%d%d%d%d", &p, &q, &l, &r); int mark[1111]; memset(mark, 0, sizeof(mark)); int a, b; for (int i = 0; i < p; i++) { scanf("%d%d", &a, &b); for (int j = a; j <= b; j++) mark[j] = 1; } int c[55], d[55]; for (int i =...
5
#include <bits/stdc++.h> using namespace std; int n, i, d[101], a, mlad, prod, x, y; int main() { scanf("%d", &n); for (i = 1; i <= n; i++) { scanf("%d", &a); d[i] = d[i - 1] + a; } scanf("%d %d", &x, &y); for (i = 1; i <= n; i++) { prod = d[n] - d[i - 1]; mlad = d[i - 1]; if (x <= mlad &&...
2
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; int n, m; char G[2000][2000]; deque<pair<pii, int>> deq; int dist[2000][2000]; int dx[4] = {-1, 0, 1, 0}; int dy[4] = {0, 1, 0, -1}; void bfs(int s, int t) { deq.emplace_front(make_pair(make_pair(s, t), 0)); while (!deq.empty()) { pair<pi...
10
#include <bits/stdc++.h> using namespace std; int main() { long long int t; cin >> t; while (t--) { long long int n, k; cin >> n >> k; char b = 'a'; long long int g = n / k; long long int sex = n % k; long long int j; long long int i = 1; while (i <= k) { j = 1; while (...
0
#include <bits/stdc++.h> using namespace std; long long mdl; vector<long long> vis; void gen(long long& f, long long& p, long long h, long long a, long long x, long long y) { vis = vector<long long>(1000009, -1); long long ct = 0; while (vis[h] == -1) { vis[h] = ct; h = (x * h + y) % mdl; ++c...
14
#include <bits/stdc++.h> using namespace std; template <typename T> inline T sqr(const T& a) { return a * a; } template <typename T> inline int sign(const T& a) { return a < 0 ? -1 : a > 0; } void task(); int main() { ios_base::sync_with_stdio(0); task(); return 0; } struct SparseTable { int t[int(3e5) + 10...
20
#include <bits/stdc++.h> using namespace std; long long n; string s1, s2; long long precom[26][200005]; long long present[26][200005]; long long tree[26][200005]; long long sum(long long i, long long ch) { long long sum = 0; while (i > 0) { sum += tree[ch][i]; i -= i & (-i); } return sum; } void update(...
12
#include <bits/stdc++.h> using namespace std; const long long N = 11; const long long maxn = 2e3 + 9; const double esp = 1e-6; long long dp[maxn][maxn]; void solve() { long long n, h, l, r; cin >> n >> h >> l >> r; vector<long long> v(n + 1); for (long long i = 1; i <= n; i++) { cin >> v[i]; } fill(dp[0...
9
#include <bits/stdc++.h> using namespace std; void solve() { int n; long long int res = 0, k; cin >> n; vector<long long int> t; for (int i = 0; i < n; i++) { cin >> k; t.push_back(k); } for (int i = 0; i < n; i++) { if (i - 1 >= 0) { if (t[i - 1] * t[i] > res) { res = t[i - 1] *...
0