solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; const int mod = 1e9 + 7; string str; int n; struct oper { int d; string t; } p[maxn]; long long val[10], wei[10]; int main() { cin >> str; cin >> n; for (int i = 1; i <= n; i++) { cin >> p[i].d >> p[i].t; } for (int i = 0; i < 10...
3
#include <bits/stdc++.h> using namespace std; const long long M = 1e9 + 7; const long long INF = 1e9; inline long long pwr(long long base, long long n, long long m) { long long ans = 1; while (n > 0) { if (n % 2 == 1) ans = (ans * base) % m; base = (base * base) % m; n /= 2; } return ans; } const in...
4
#include <bits/stdc++.h> using namespace std; const int MAXN = 505; vector<int> graf[MAXN]; int n, m, bio[MAXN], flag; vector<pair<int, int> > edges; pair<int, int> forbid; bool dfs(int node) { bio[node] = flag + 2; for (int nex : graf[node]) { if (bio[nex] == flag + 1 || forbid == make_pair(node, nex)) continu...
4
#include <bits/stdc++.h> using namespace std; long long int n, m; void solve() { long long int t, k, z, p, q, u, v, x, y, ct = 0, flag = 0; cin >> n; double diagonal = 2 / (sqrt(2 * (1 - cos(3.1415926535897932384626 / n)))); double angle = double(180) / double(2 * n); double cosAngle = cos(angle * 3.141592653...
3
#include <bits/stdc++.h> using namespace std; const int MOD = (int)1e9 + 7; const int MOD2 = 1007681537; const int INF = (int)1e9; const long long LINF = (long long)1e18; const long double PI = acos((long double)-1); const long double EPS = 1e-9; inline long long gcd(long long a, long long b) { long long r; while (...
4
#include <bits/stdc++.h> using namespace std; long long N; vector<long long> V; inline void Get(const long long& A, const long long& B, const long long& C, int k) { long long L = 0, R = min(1LL << 31, N / B) + 1; while (R - L > 1) { long long M = (L + R) >> 1; if ((unsigned long long)A * M *...
2
#include <iostream> #include <algorithm> #include <cstdio> using namespace std; int main(){ int a, b, c, d, e, f; while(1){ scanf("%d %d %d %d %d %d", &a, &b, &c, &d, &e, &f); if((a|b|c|d|e|f) == 0) break; a += d; b += e; c += f; int lim = min(a, min(b, c)), ans = 0; for(int i=0;i<=lim...
0
#include <bits/stdc++.h> using namespace std; int main() { char x[100][100]; int n, m; bool f = false, f1 = false; cin >> n >> m; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) if (f == false) x[i][j] = '#'; else x[i][j] = '.'; f = !f; } for (int i = 1; i < n...
1
#include <iostream> #include <vector> using namespace std; int main(){ int r,c; while(cin >> r >> c && r && c){ vector<vector<int> > v(r,vector<int>(c)), v2; int ans = 0; for(int i=0;i<r;i++) for(int j=0;j<c;j++) cin >> v[i][j]; for(int i=0;i<(1<<(r-1));i++){ v2 = v; for(int j=0;j<r-1;...
0
#include <bits/stdc++.h> using namespace std; double a[100005], b[100005], p, q; int n; double y, l, r; double check(double x) { y = 1000000000; for (int i = 1; i <= n; i++) y = min(y, (1 - a[i] * x) / b[i]); return p * x + q * y; } int main() { scanf("%d", &n); scanf("%lf%lf", &p, &q); for (int i = 1; i <=...
3
#include <bits/stdc++.h> using namespace std; int main() {int N, a, c{}; cin >> N; for (int i{1}; i <= N; ++i) cin >> a, c += i % 2 * (a % 2); cout << c;}
0
#include<cstdio> char a[10],b[10]; int ans; int main() { scanf("%s%s",a,b); for(int i=0;i<3;i++) if(a[i]==b[i])ans++; printf("%d",ans); return 0; }
0
#include <bits/stdc++.h> using namespace std; int n, bel[25], tag[25], F[1 << 20]; char S[100005], T[100005]; int Getbel(int x) { return bel[x] == x ? x : (bel[x] = Getbel(bel[x])); } void Merge(int a, int b) { a = Getbel(a), b = Getbel(b); if (a != b) bel[a] = b; } int main() { int C; scanf("%d", &C); while ...
1
#include <bits/stdc++.h> using namespace std; vector<int> failureFunc(const string &s) { vector<int> longestPreSuf(s.size() + 1); longestPreSuf[0] = 0; longestPreSuf[1] = 0; for (int i = 2; i <= s.size(); ++i) { for (int j = longestPreSuf[i - 1];; j = longestPreSuf[j]) { if (s[j] == s[i - 1]) { ...
5
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 10; int n, m, q; long long w[N]; struct node { int l, r; long long sum, maxx, minn, tag; } tr[N * 4]; void pushup(int u) { tr[u].sum = tr[u << 1].sum + tr[u << 1 | 1].sum; tr[u].minn = min(tr[u << 1].minn, tr[u << 1 | 1].minn); tr[u].maxx = max...
5
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; int mod = 1e9 + 7; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, x, y, z, w, i, j, k, l; vector<int> v; cin >> n; if (!n) return cout << "YES\n1\n2\n2\n3", 0; else if (n == 1) { cin >> x; ...
2
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; for (int i = 0; i <= N; i++) if (i * 27 / 25 == N) { cout << i << endl; return 0; } cout << ":(" << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int a, b, c, d, e, f[105][3005], g, h, i, j, k, l, m, n; char s[10005]; int main() { f[0][0] = 1; for (i = 1; i <= 100; i++) for (j = 0; j <= i * 26; j++) for (k = 0; k < 26 && k <= j; k++) { (f[i][j] += f[i - 1][j - k]) %= 1000000007; } int t;...
5
#include <bits/stdc++.h> using namespace std; #define int long long const double PI = 3.14159265358979323846; typedef vector<int> vint; typedef pair<int, int> pint; int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; int N; int a[110000]; bool e[33]; signed main() { cin>>N; for(...
0
#include <bits/stdc++.h> using namespace std; const int dirx[4] = {0, 1, 0, -1}; const int diry[4] = {1, 0, -1, 0}; int main() { ios::sync_with_stdio(false); cin.tie(0); ; long long int t, n, x; cin >> t; while (t--) { cin >> n; vector<int> odd, even; for (int i = 0; i < n; i++) { cin >> x...
3
#include <bits/stdc++.h> using namespace std; int n, m; bool graph[3010][3010]; vector<int> graph2[3010], out; int dis[3010][3010]; vector<pair<int, int> > v1[3010], v2[3010]; int ans; void bfs(int start) { memset(dis[start], -1, sizeof(dis[0])); dis[start][start] = 0; queue<int> que; que.push(start); while (...
2
#include<bits/stdc++.h> using namespace std; const int inf=1e9; int dp[10000010][2]; int main(){ string s; cin >> s; int N=s.size(); dp[0][0]=0; dp[0][1]=1; for(int i=0;i<N;i++){ int d=s[i]-'0'; dp[i+1][0]=min(dp[i][0]+d,dp[i][1]+10-d); dp[i+1][1]=min(dp[i][0]+d+1,dp[i][1]+...
0
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 5; int main() { int k; cin >> k; string second; cin >> second; long long sum = 0; vector<int> a; for (int i = 0; i < second.size(); i++) { sum += second[i] - 48; a.push_back(second[i] - 48); } sort((a).begin(), (a).end()); i...
2
#include <iostream> #include <fstream> #include <cstdio> #include <cmath> #include <vector> #include <cstring> #include <string> #include <set> #include <map> #include <stack> #include <queue> #include <deque> #include <bitset> #include <algorithm> using namespace std; #define REP(i,n) for(int i=0; i<n; ++i) #define ...
0
#include <bits/stdc++.h> using namespace std; const int Maxn = 300005; int n, m, q, cc, cnt, top, Top, dfn_cnt, Dfn_cnt, bcc_ct, Bcc_ct, node_ct, edge_ct, used_ct, times[Maxn], used[Maxn], c[Maxn], father[Maxn], bel[Maxn], Bel[Maxn], sta[Maxn], Sta[Maxn], dep[Maxn], anc[Maxn][20], node[Maxn], real_node[Maxn...
6
#include <bits/stdc++.h> using namespace std; template <class T> void clear(T &x) { T t; x.swap(t); } template <class T> void miz(T &a, T b) { if (b < a) a = b; } template <class T> void maz(T &a, T b) { if (b > a) a = b; } template <class T> T gcd(T a, T b) { while (b) { a %= b; swap(a, b); } ret...
3
#include <bits/stdc++.h> using namespace std; int n, m; struct point { int x, y; } a[4]; double d(point a, point b) { return sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)); } double ans; void gan(point p1, point p2, point p3, point p4) { double temp = d(p1, p2) + d(p2, p3) + d(p3, p4); if (temp > a...
2
#include <bits/stdc++.h> using namespace std; int inf = 1000001000; long long INF = 1e18; long long MOD = INF; long long mod = INF; int main() { int n; string s; cin >> n >> s; int u = n - 1; for (int(i) = 0; (i) < (n - 1); (i)++) { if (s[i] > s[i + 1]) { u = i; break; } } for (int(i) ...
1
#include <bits/stdc++.h> using namespace std; int main(){ int n; string s; bool c=true,d=false; cin >> s; for(n=2;n<s.length();n++){ if(isupper(s[n])&&d){ c=false; }else if(s[n]=='C'){ d=true; } } if(s[0]=='A'&&islower(s[1])&&d&&c&&s[s.length()-1]!='C'){ cout << "AC" << endl; }...
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int maxn = 50 + 10; int n = 50; ll k; int main() { scanf("%lld", &k); ll base = k / n + 49; int l = k % n; printf("%d\n", n); for(int i = 1; i <= n - l; ++i) printf("%lld ", base - l); for(int i = n - l + 1; i <= n; ++i) printf("%lld ", bas...
0
#include<stdio.h> int main() { int k; scanf("%d", &k); while(k--) printf("ACL"); printf("\n"); }
0
#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { string s; cin>>s; long long ans=0LL,cnt=0LL; for (int i = 2; i < s.size(); ++i) { if (s.at(i-2)=='A') { ++cnt; } else { cnt=0LL; } if (s.at(i-1)=='B'&&s.at(i)=='C') { ans+=cnt; --cnt; s.at(i)='A';...
0
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int MOD2 = 15000007; const long long int MAX = 9187201950435737471; const int N = 100005; const int M = 100005; const int INF = 2; const double EPS = 1e-9; const long double PI = acos(-1); long long int po(long long int x, long long int y) ...
5
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int dp[21][100005]; int sum[100005]; int main() { memset(dp, -1, sizeof(dp)); int n, q, a; scanf("%d%d", &n, &q); sum[0] = 1; for (int i = 1; i <= n; i++) { scanf("%d", &a); for (int j = 0; j < 20; j++) dp[j][i] = dp[j][i - 1]; ...
6
#include <bits/stdc++.h> using namespace std; bool comp(pair<int, int> a, pair<int, int> b) { return a.second > b.second; } int main() { int n, m; cin >> n >> m; vector<pair<int, int>> arr(m, {0, 0}); for (int i = 0; i < m; i++) { cin >> arr[i].first >> arr[i].second; } sort(arr.begin(), arr.end(), comp...
2
#include <bits/stdc++.h> using namespace std; int main() { char str[1005]; scanf("%s", str); int cc = -1; while (str[++cc] != '.') { } if (str[cc - 1] == '9') { printf("GOTO Vasilisa.\n"); return 0; } if (str[cc + 1] >= '5') { for (int i = 0; i < cc - 1; i++) printf("%c", str[i]); printf...
1
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 5; char s[200005], g[200005]; int p[200005], q[200005], ans; signed main() { scanf("%s", s + 1); scanf("%s", g + 1); int n = strlen(s + 1), m = strlen(g + 1), now = 1; for (int i = 1; i <= n; i++) if (now <= m && s[i] == g[now]) q[now++] = i;...
4
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; long long s[n], c[n]; for (int i = 0; i < n; i++) cin >> s[i]; for (int i = 0; i < n; i++) cin >> c[i]; long long s0, s1, s2, ans = 1e18; for (int j = 1; j < n; j++) { bool f1 = 0, f2 = 0; s0 = c[j]; s1 = 1e10; ...
3
#include <bits/stdc++.h> using namespace std; int a[1000005]; bool c[1000005]; int dp[1000005][20]; bool f[1000005]; int dd(int x, int n) { for (int i = 0; i < 20; i++) { if ((1 << i) & n) x = dp[x][i]; } return x; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int Z; cin >> Z; while (...
6
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); ; int T; cin >> T; while (T--) { int n, a[550]; bool b[550]; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; } bool l = 0,...
2
#include <bits/stdc++.h> using namespace std; const int M = 300010; bool taken[M]; char s[M]; int main(int argc, char** argv) { int len, m; scanf("%d%d\n", &len, &m); scanf("%s\n", s + 1); s[0] = 'x'; s[len + 1] = 'x'; len += 2; int out = 0; memset(taken, 0, sizeof taken); for (int i = 1; i < len; i++...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 400 + 10; struct Graph { int id, next, b[MAXN]; } g[MAXN * 2]; int n, k, st[MAXN], f[MAXN][MAXN], size[MAXN]; void Add(int tot, int first, int second) { g[tot].id = second, g[tot].next = st[first], st[first] = tot; } void Tree_dp(int first, int fa) { ...
4
#include<cstdio> using namespace std; int a[100050]; int main(){ int n; scanf("%d",&n); for (int i=1;i<=n;i++) scanf("%d",&a[i]); for (int i=2;i<=n;i++) if (a[i]>a[i-1]) a[i]--;else if (a[i]<a[i-1]) return printf("No\n"),0; printf("Yes\n"); return 0; }
0
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int) (n); i++) int n, k; void solve0() { if (n == 1) { cout << k / 2; cout << endl; return; } cout << k / 2 << " "; rep(i, n-2) { cout << k << " "; } cout << k << endl; } inline void sub(vector<int>& v, int& pos) { ...
0
#include <bits/stdc++.h> using namespace std; map<string, pair<int, vector<int> > > m; vector<string> s; int t; bool search(string x) { for (int i = 0; i < s.size(); i++) if (x == s[i]) return true; return false; } void prep(string x) { for (int i = 0; i < 60; i++) m[x].second.push_back(0); } string check(str...
2
#include <bits/stdc++.h> using namespace std; const int MOD = 998244353; const int N = 200043; int add(int x, int y) { return (x + y) % MOD; } int sub(int x, int y) { return add(x, MOD - y); } int mul(int x, int y) { return (x * 1ll * y) % MOD; } int binpow(int x, int y) { int z = 1; while (y > 0) { if (y % 2 =...
5
#include <bits/stdc++.h> using namespace std; int l1, l2, l3, dp[105][105][105]; char s1[105], s2[105], s3[105]; int dfs(int n1, int n2, int n3) { if (n1 > l1 || n2 > l2) return dp[n1][n2][n3] = 0; if (~dp[n1][n2][n3]) return dp[n1][n2][n3]; int &re = dp[n1][n2][n3]; re = 0; if (s1[n1] == s2[n2]) { if (s1...
4
#include <bits/stdc++.h> using namespace std; signed main() { long long n; cin >> n; vector<long long> a(n); for (long long i = 0; i < n; i++) { cin >> a[i]; } vector<long long> b(25); for (long long i = 0; i < n; i++) { for (long long j = 0; j < 25; j++) { if (a[i] & (1 << j)) b[j]++; }...
4
#include <bits/stdc++.h> using namespace std; int t, n, a, b, c, d; int main() { cin >> t; while (t--) { cin >> n >> a >> b >> c >> d; if (((a - b) * n > c + d) || ((a + b) * n < c - d)) cout << "NO\n"; else cout << "YES\n"; } }
1
#include <bits/stdc++.h> using namespace std; const int N = 4e5 + 100; int n, m, lastans = 0; map<int, int> E[N]; int fa[N], sz[N], ans[N]; int top; struct pi { int x, y; } st[N]; struct OP { int op, x, y; } o[N]; struct node { int l, r; int op, x, y; vector<OP> id; } t[N << 2]; int find(int x) { return x == ...
6
#include <bits/stdc++.h> using namespace std; int n, a[1005], ans[1005][1005]; int bl[1005], br[1005], tp; int sg[1005]; void print() { for (int i = 1; i <= (n + 1); ++i) { int ok = 0; for (int j = 1; j <= (n); ++j) if (ans[i][j]) ok = 1; if (!ok) continue; for (int j = 1; j <= (n); ++j) printf(...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, c; scanf("%d%d", &n, &c); int a[n], b[n - 1]; scanf("%d", &a[0]); for (int i = 1; i < n; i++) { scanf("%d", &a[i]); b[i - 1] = a[i - 1] - a[i] - c; } int max = 0; for (int i = 0; i < n - 1; i++) { if (b[i] > max) max = b[i]; ...
1
#include <bits/stdc++.h> using namespace std; const int maxn = 2000100; const long long P1 = 998244353; const long long P2 = 1004535809; const long long E = 3; long long a[maxn], b[maxn], c[maxn]; int rev[maxn]; int n, k, lim; long long qpow(long long a, long long b, long long mod) { long long res = 1; for (; b > 0...
5
#include <bits/stdc++.h> using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); long long int ans = 0; void fun(int x, int n) { if (x > n) return; ans++; fun(x * 10, n); fun(x * 10 + 1, n); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long...
3
#include <bits/stdc++.h> using namespace std; string tostr(long long a) { stringstream rr; rr << a; return rr.str(); } long long pow(long long c, long long d) { return d == 0 ?: c * pow(c, d - 1); } long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); } long long lcm(long long a, long long...
4
#include <bits/stdc++.h> using namespace std; int t, n, ans, mpos; struct node { int a, id; } x[200010]; bool cmp(node a, node b) { return a.a < b.a; } int main() { cin >> t; while (t--) { cin >> n; ans = 0; for (int i = 1; i <= n; i++) { cin >> x[i].a; x[i].id = i; } stable_sort(x...
2
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:64777215") using namespace std; const long long maxn = 1001; const long long maxq = 1000001; const long long maxk = 11; const long long mo = 5; const long long maxseg = 262144; const long long secret_number = -87468267; const pair<int, int> secret_pair = make_pai...
4
#include <algorithm> #include <bitset> #include <cassert> #include <cctype> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <ve...
0
#include <bits/stdc++.h> using namespace std; map<long long, map<long long, map<long long, map<long long, int>>>> d; int go(long long lx, long long ly, long long ax, long long ay, long long bx, long long by) { if (lx == 0 && ly == 0) return 1; if (d[ax][ay][bx][by]) return d[ax][ay][bx][by]; int &ret = d[a...
5
#include<cstdio> #include<iostream> using namespace std; const int step[8][2]={-1,-1,-1,0,-1,1,0,-1,0,1,1,-1,1,0,1,1}; char a[55][55]; int s[55][55]; int n,m; int main() { scanf("%d%d",&n,&m); for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) cin>>a[i][j]; for(int i=1;i<=n;i++) for(int j=1;j<=m;j++) if(a[i...
0
#include <bits/stdc++.h> using namespace std; const int Mod = 1e9 + 7; int main() { ios_base::sync_with_stdio(0), cin.tie(0); int q; cin >> q; for (int noob = 0; noob < q; noob++) { string str; cin >> str; if (str[str.size() - 1] == 'o') cout << "FILIPINO\n"; else if (str[str.size() - 1] =...
1
#include <bits/stdc++.h> using namespace std; const long long int N = 1000000; map<long long int, long long int> idx, Xor[N + 5]; vector<long long int> v[N + 5]; long long int par[N + 5]; void init() { for (long long int i = 1; i <= N; ++i) { par[i] = i; v[i].push_back(i); Xor[i][i] = 0; } } long long i...
4
#include <bits/stdc++.h> using namespace std; long long labs(long long a) { return a < 0 ? (-a) : a; } long long max(long long a, long long b) { return a > b ? a : b; } long long min(long long a, long long b) { return a < b ? a : b; } const int MAXN = 6; const int MAXK = 26; const int MAXRES = 5 * 1001; struct Var { ...
6
#include <iostream> #include <string> using namespace std; int main(){ string str; while(cin>>str){ int num[10]; for(int i=0;i<10;i++){ num[i] = str[i]-48; } for(int j=9;j>=0;j--){ for(int k=0;k<j;k++){ if(num[k]+num[k+1]>9) num[k]=num[k]+num[k+1]-10; else num[k]=num[k]+num[k+1]; } } cout...
0
#include <bits/stdc++.h> using namespace std; int main() { int pos, len; int n, k, m, t; cin >> n >> k >> m >> t; pos = k; len = n; for (int i = 0; i < t; i++) { int a, b; cin >> a >> b; if (a == 0) { if (b < pos) { pos -= b; len -= b; } else { len = b; ...
4
#include<bits/stdc++.h> using namespace std; #define lp(i,n) for(int i=0;i<n;i++) #define lpin(a,i,n) for(int i=0;i<n;i++){cin>>a[i];} int main(){ int n,i=1; cin>>n; while(1){ int count=0; for(int j=1;j<i+1;j++){ if(i%j==0) count++; } if(count==n) break; i++; } cout<<i<<endl; ...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 1000100; const int INF = 1e9 + 10; struct Node { int k, a; friend bool operator<(Node A, Node B) { return A.k < B.k; } }; Node b[maxn]; int n; bool check(long long m) { for (int i = 1; i <= n; i++) { if ((m - b[i].k) * 2 >= log2(b[i].a)) continue;...
3
#include <bits/stdc++.h> const int N = 100100; using namespace std; int d[N][2]; int n, a[N]; int mod = 1e9 + 7; vector<int> v[N]; int main() { ios_base::sync_with_stdio(0); cin >> n; for (int i = 2; i <= n; i++) { int p; cin >> p; v[p + 1].push_back(i); } for (int i = 1; i <= n; i++) cin >> a[i];...
4
#include <bits/stdc++.h> using namespace std; template <typename T, typename U> static void rmin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> static void rmax(T &x, U y) { if (x < y) x = y; } const double eps = 1e-9; const double pi = acos(-1.0); const int MOD = 1e9 + 7; const int INF = 1e9 + ...
3
#include <bits/stdc++.h> using namespace std; pair<char, int> a[100007]; string s[1007]; pair<int, int> pos[30]; int q; int n, m; int sum[1007][1007]; string ans; bool isvalid(int x, int y, int xx, int yy) { if (xx >= n || xx < 0 || yy >= m || yy < 0) return false; if (x == xx) { if (y > yy) swap(y, yy); re...
4
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int N=305,mod=998244353; int n,k,m,a[N],sum[N]; int dp[N][N][N]; //dp[i][j][h] 第i个坑,用了j个1,移动了k次的方案数 char s[N]; int main() { scanf("%s%d",s+1,&k); for(int i=1;s[i];i++) m+=s[i]=='1'; int t=0; for(int i=1;s[i];i++) if(s[i]=='...
0
#include <bits/stdc++.h> using namespace std; const int M = 50 + 10; int n, m; char board[100][100]; int cor[8] = {0, 1, 0, -1, 1, 0, -1, 0}; int low[M][M]; int layer[M][M]; int visited[M][M]; int timestamp; int rootchild; int sx, sy; bool ok = false; void tarjan(pair<int, int> cur, pair<int, int> father) { int curx ...
3
#include<bits/stdc++.h> using namespace std; typedef pair< int , int > Pi; typedef long long int64; int N; Pi data[300000]; bool calc(int value){ //閉じこめられる微生物value priority_queue < Pi, vector< Pi >, greater< Pi > > que; //許容量が小さい順に取り出す(?) int64 sum = 0; //放出量の和 for(int i = 0; i < N; i++){ //人数分入れる sum += d...
0
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 500; int a[N], s[2 * N + 1]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int t; cin >> t; while (t--) { int n, k; cin >> n >> k; for (int i = 0; i < n; ++i) cin >> a[i]; memset(s, 0, sizeof(s)); for (int i = 0...
2
#include<iostream> using namespace std; #define M 1000000 #define NIL -1 struct N{ int p,cl,sr;}; N nd[M]; int de[M]; void print(int x){ int i,j; cout<<"node "<<x<<": parent = "<<nd[x].p<<", depth = "; cout<<de[x]<<", "; if(nd[x].p==NIL)cout<<"root, ["; else if(nd[x].cl==NIL)cout<<"leaf, ["; else cout<<"in...
0
#include <bits/stdc++.h> using namespace std; const int N = 100010; int n, m, k; int b[N], a[N]; int main() { scanf("%d%d%d", &n, &m, &k); int ans = n; k = n - k; for (int i = 1; i <= n; ++i) scanf("%d", &b[i]); for (int i = 1; i < n; ++i) a[i] = b[i + 1] - b[i] - 1; nth_element(a + 1, a + k, a + n); ans ...
2
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e6; struct fastIO { fastIO() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); } }; int n, ans; vector<vector<int> > v; queue<int> q; int main() { fastIO(); cin >> n; v.resize(n); for (int i = 1; i <= n - 1; i++) { int j;...
4
#include <stdio.h> #include <algorithm> #include <queue> #include <iostream> using namespace std; char st[5010]; int f[5010][5010]; int main() { int n;scanf("%d",&n); scanf("%s",st+1); int ans=0; for (int i=1;i<=n;i++) for (int j=i+1;j<=n;j++) { if (st[i]==st[j]) f[i][j]=f[i-1][j-1]+1;...
0
#include <bits/stdc++.h> using namespace std; bool isUsed(int row, int col, int k) { if (row == 1 && col == 3) { cout << ""; } int seat = (row - 1) * 3 + col; if (row != 1) { seat++; } if (col == 3 && seat <= k) { return row == 1; } else if (col == 4 && row > 1) { seat--; } return seat...
1
#include <bits/stdc++.h> using namespace std; int main() { string text; getline(cin, text); map<char, int> mapping; for (int i = 0; i < text.size(); i++) { mapping[text[i]]++; } int no_of_i = mapping['i']; while (no_of_i) { if ((mapping['n'] / 3 >= no_of_i || mapping['n'] >= 3 + (no_of_i ...
1
#include <bits/stdc++.h> using namespace std; int n, m; string in; int nm = 0; int nm2 = 0; int x; char c; int main() { cin >> n >> m; cin >> in; for (int i = 0; i < n; i++) { if (in[i] == '.') nm++; } if (in[0] == '.') nm2++; for (int i = 1; i < n; i++) { if (in[i] == '.' && in[i - 1] != '.') { ...
3
#include<iostream> #include<vector> #include<algorithm> #include<tuple> using namespace std; class BIT { private: int size_; vector<int>x; public: BIT() : size_(0), x(vector<int>()) {}; BIT(int size__) : size_(size__) { x.resize(size__ + 1); for (int i = 0; i < size__ + 1; i++)x[i] = 0; } int size() { return s...
0
#include <bits/stdc++.h> using namespace std; const long long int N = 2e5 + 10; const long long int mod = 1e9 + 7; const long long int level = 20; long long int dp[505][505]; int main() { ios::sync_with_stdio(false); long long int n; cin >> n; long long int arr[n + 1]; for (long long int i = 1; i < n + 1; i++...
4
#include <bits/stdc++.h> using namespace std; using pi = pair<int, int>; const int MAXN = 1005; const int MAXM = 200005; vector<int> gph[MAXN]; int adj[MAXN][MAXN], vis[MAXN]; int n, m; int s[MAXM], e[MAXM]; void dfs(int r, int v){ vis[v] = 1; adj[r][v]++; for(auto &i : gph[v]){ if(i == r) continue; if(!vis[i]...
0
#include <bits/stdc++.h> using namespace std; template <class T> const T& max(const T& a, const T& b, const T& c) { return max(a, max(b, c)); } template <class T> const T& min(const T& a, const T& b, const T& c) { return min(a, min(b, c)); } long long stoi(string& str) { istringstream second(str); long long i; ...
2
#include <bits/stdc++.h> using namespace std; const long long INF = 1e18; int n, ans; string s, ss; int f[11][4][10][100005]; int N = 100005; int type(char ch) { if (ch == 'A') return 0; if (ch == 'T') return 1; if (ch == 'G') return 2; return 3; } void upd(int j, int typ, int id, int pos, int val) { for (; p...
5
#include <bits/stdc++.h> using namespace std; void make_unique(vector<int> &a) { sort(a.begin(), a.end()); a.erase(unique(a.begin(), a.end()), a.end()); } int Set(int N, int cur) { return N = N | (1 << cur); } int Reset(int N, int cur) { return N = N & ~(1 << cur); } bool Check(int N, int cur) { return (bool)(N & (...
4
#include <bits/stdc++.h> using namespace std; int n; string a[100005]; set<int> b; pair<int, int> c[2000005]; void mark(int l, int r, int i) { while (1) { auto it = b.lower_bound(l); if (it == b.end() || *it > r) break; c[*it] = {i, *it - l}; b.erase(it); } } int main() { ios_base::sync_with_stdio...
1
#include <bits/stdc++.h> using namespace std; int n; const double eps = 1e-8; int A[55][55], t[55][55]; void mul(int (&a)[55][55], int (&b)[55][55], int (&c)[55][55]) { int t[55][55]; memset(t, 0, sizeof(A)); for (int i = 1; i <= n; i++) for (int j = 1; j <= n; j++) if (a[i][j]) for (int k = 1; ...
5
#include <bits/stdc++.h> char m[510][510]; int a[510][510]; int r1, c1, rr, cr, sum; int main() { int r, c, q; while (~scanf("%d%d", &r, &c)) { for (int i = 0; i < r; i++) scanf("%s", m[i]); a[0][0] = 0; for (int i = 1; i < c; i++) { a[0][i] = a[0][i - 1]; if (m[0][i] == '.' && m[0][i - 1] =...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 256; int n, A[MAXN], indeg[MAXN]; vector<int> G[MAXN]; bool r[MAXN]; int sim(int id) { memset(r, false, sizeof r); memset(indeg, 0, sizeof indeg); for (int i = (0); i < (int)(n); i++) for (int j = (0); j < (int)(G[i].size()); j++) indeg[G[i][j]]++...
1
#include <bits/stdc++.h> using namespace std; const int maxn = 100500; const int N = 50; long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); } int main() { long long n, p, w, d; scanf("%lld%lld%lld%lld", &n, &p, &w, &d); long long s = w * d / gcd(w, d); long long nw = s / w; long long...
3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long int i, j, tmp = 0; string s, s1; cin >> s; cin >> s1; long long int a[27] = {0}, a1[27]; for (i = 0; i < s.size(); i++) { long long int ta = s[i] - 'a' + 1; long long...
2
#include <bits/stdc++.h> using namespace std; const int N = 100010; int n, a[N], ans[N]; int b[N]; int ask(int x) { int ans = 0; for (; x; x -= x & -x) ans = max(ans, b[x]); return ans; } void add(int x, int c) { for (; x <= n; x += x & -x) b[x] = max(b[x], c); } int main() { cin >> n; for (int i = 1; i <= ...
2
#include <bits/stdc++.h> using namespace std; #define int long long signed main(){ int n;cin>>n; vector<int> v(n); for(int i=0;i<n;i++)cin>>v[i]; map<int,int> m; int ans=0; for(int i=n-1;i>=0;i--){ ans+=m[v[i]+i]; m[i-v[i]]++; } cout<<ans<<endl; }
0
#include<bits/stdc++.h> using namespace std; int main(){ int a; while(cin>>a,a){ vector<unordered_set<string>>V(50); for(int b=0;b<a;b++){ string c;cin>>c; string d="a";d[0]=c[0]; for(int e=1;e<c.length();e++){ if(c[e-1]=='a'||c[e-1]=='i'||c[e-1]=='u'||c[e-1]=='e'||c[e-1]=='o'){...
0
#include<iostream> using namespace std; int main(){ string s; cin>>s; if(s=="A")cout<<"T"; else if(s=="T")cout<<"A"; else if(s=="G")cout<<"C"; else cout<<"G"; }
0
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<pair<int, int> > in(n); vector<int> out(n); for (int i = 0; i < n; ++i) { cin >> in[i].first; in[i].second = i; } sort(in.begin(), in.end()); int type; bool valid = true; int outCont = 1; for (int i = 0; i <...
2
#include <bits/stdc++.h> using namespace std; int main() { int n4 = 0, n7 = 0; string s; cin >> s; for (int i = 0; i < s.length(); i++) { if (s[i] == '4') n4++; if (s[i] == '7') n7++; } if (n4 == 0 && n7 == 0) { cout << "-1" << endl; return 0; } if (n4 > n7) { cout << "4" << endl; ...
2
#include <bits/stdc++.h> using namespace std; queue<pair<int, long long> > Q[3]; int Pr[3]; int Cap[3]; int E[100005]; int N; long long ans = 0; void push(int k, int man, long long t) { if (k == 3) { ans = max(ans, t - E[man]); return; } while ((int)(Q[k]).size() && Q[k].front().second + Pr[k] <= t) { ...
2