solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; char s[100006]; int len; bool end(char ss[]) { int ll = strlen(ss); for (int i = len, j = ll; i >= 0 && j >= 0; i--, j--) { if (s[i] != ss[j]) return false; if (j == 0) return true; } return false; } int main() { bool m = false, fm = false, noun = false, v...
1
#include <bits/stdc++.h> using namespace std; class FenwickTree { public: explicit FenwickTree(int N) : F(N, 0) {} void Add(int i, int delta) { for (; i < F.size(); i = (i | (i + 1))) { F[i] += delta; } } int Sum(int i) const { int result = 0; for (; i >= 0; i = (i & (i + 1)) - 1) { ...
4
#include <bits/stdc++.h> using namespace std; int main() { int t, n, m = 0, i, j = 0, a, h; cin >> t; for (i = 1; i <= t; i++) { cin >> n; a = n; if (n == 1) cout << "0" << endl; else if (n == 2) cout << "1" << endl; else { while (a >= 2) { while (n - m > 0) { ...
2
#include <bits/stdc++.h> using namespace std; struct ii { int first; int second; int i; ii(int a = 0, int b = 0) { first = a; second = b; } bool operator<(const ii &o) const { return first == o.first ? second < o.second : first < o.first; } }; ii l[300010]; int n, w; long long A[300010]; int t...
5
#include <bits/stdc++.h> using namespace std; long long n; long long st(int n) { long long an = 1; for (int i = 1; i <= n; i++) an = (an * 3) % 1000000007; return an; } int main() { cin >> n; long long v; if (n % 2 == 0) v = 3; else v = -3; cout << ((st(n) + v) * 250000002) % 1000000007 << endl;...
5
#include <bits/stdc++.h> using namespace std; int n, m; int U[5005], V[5005]; struct emm { int a, b, x; } a[5005]; bool cmp(emm x, emm y) { return x.x < y.x; } struct Edge { int v; Edge *next; } pool[5005 << 1], *h[5005]; int fa[5005], dep[5005], ans[5005]; int tot; void addEdge(int u, int v) { Edge *p = &pool[...
6
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; int n,bad[100000],deg[100000],ans[100000]; set<int> V; // unused vertices (and a centinel) set<pair<int,int>> Deg; // (degree, vertex) bool dfs(int i){ if(i==n) return true; int x=Deg.rbegin()->second; if(deg[x]==n-i-1){ if...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0), cin.tie(0); int t; cin >> t; while (t--) { long long n; cin >> n; if (n == 2) { cout << "1\n0\n"; continue; } vector<long long> a = {1}; long long s = 1; while (s < n) { a.push_...
4
#include<bits/stdc++.h> using namespace std; int main() { int t; cin>>t; while (t--) { long long x,y; cin>>x>>y; string s; cin>>s; long long r=0; long long l=0; long long u=0; long long d=0; for (long...
1
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (n); i++) #define repp(i, l, r) for(int i = (l); i < (r); i++) #define per(i, n) for(int i = ((n)-1); i >= 0; i--) #define perr(i, l, r) for(int i = ((r)-1); i >= (l); i--) #define all(x) (x).begin(),(x).end() #define MOD 1000000007 #de...
0
#include <bits/stdc++.h> using namespace std; long long n, m; vector<long long> p, in_time, out_time, level; vector<vector<long long> > g; long long k; void dfs_time(long long node, long long parent, long long l) { in_time[node] = k++; p[node] = parent; level[node] = l; for (auto i : g[node]) { if (i != par...
5
#include <bits/stdc++.h> using namespace std; char arr[505][505]; int dp[505][505]; int dpv[505][505]; int main() { ios::sync_with_stdio(0); int q, i, j, k, l, r, c, x, y, r1, c1, r2, c2, ans; cin >> r >> c; for (i = 1; i <= r; i++) { for (j = 1; j <= c; j++) { cin >> arr[i][j]; } } dp[1][1] =...
3
#include <bits/stdc++.h> using namespace std; bool comp(int x, int y) { return x > y; } int main() { int t, n; cin >> t; while (t--) { cin >> n; int a[n + 1]; for (int k = 1; k <= n; k++) cin >> a[k]; sort(a + 1, a + 1 + n, comp); for (int k = 1; k <= n; k++) { cout << a[k] << ' '; }...
2
#include <cstdio> #include <vector> #include <cstdlib> #include <stdint.h> std::vector<int64_t> edges[100005]; int64_t as[100005]; void fail(){ printf("NO\n"); exit(0); } int64_t dfs(int64_t node,int64_t parent){ if(edges[node].size()==1&&node!=parent) return as[node];//leaf int64_t ac=0; int64_t max=0; ...
0
#include<bits/stdc++.h> using namespace std; int main() { int N; cin>>N; N=1<<N; vector<int> a(N); for(int i=0;i<N;i++) cin>>a[i]; while(a.size()>1){ vector<int> b; for(int i=0;i<a.size();i+=2){ if(a[i]==a[i+1]) b.push_bac...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, x[100002] = {0}, j, t; cin >> n; t = n; for (int i = 0; i < n; i++) { cin >> j; x[j] = 1; while (t >= 1 && x[t] == 1) { cout << t << " "; t--; } cout << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; int main() { int N,a=99; cin >> N; for(int i=1; i<N; i++){ int e=100000,f=0; for(; e!=1; e=e/10){ f+=i%e/(e/10)+(N-i)%e/(e/10); } a=min(a,f); } cout << a << endl; }
0
#include <bits/stdc++.h> using namespace std; vector<int> vec; int n, a, b; void f(int in, vector<int> cur) { vector<int> temp; int p, q; for (int i = 0; i < cur.size(); i += 2) { p = cur[i]; q = cur[i + 1]; if (p == a && q == b) { if (cur.size() == 2) printf("Final!\n"); else ...
2
#include <bits/stdc++.h> using namespace std; const int N = 2010; char s[N][N]; int sum[N][N]; int get_sum(int x1, int y1, int x2, int y2) { return sum[x2][y2] - sum[x2][y1 - 1] - sum[x1 - 1][y2] + sum[x1 - 1][y1 - 1]; } int main() { int n, m; scanf("%d%d", &n, &m); memset(sum, 0, sizeof(sum)); for (int i = 1...
4
#include<bits/stdc++.h> using namespace std; int main() { int z; long double a,b; cin>>a; cin>>b; if(a>b) cout<<"GREATER"; else if(b>a) cout<<"LESS"; else cout<<"EQUAL"; }
0
#include <bits/stdc++.h> using namespace std; int main() { long int i, j, k, n, t, m1, m2, p, q; cin >> t; while (t--) { cin >> k >> n; p = min(k, n); q = max(k, n); m1 = q - p; m2 = (2 * p - q) * 2 / 3; if (q >= 2 * p) cout << p << endl; else cout << m1 + m2 << endl; } }...
1
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; long long qpow(long long a, long long b) { long long ans = 1; while (b) { if (b % 2 != 0) ans *= a; ans %= mod; a = (a * a) % mod; b /= 2; } ans %= mod; return ans; } int main() { long long x, k; long long ans; cin >>...
3
#include <iostream> #include <cstdio> #include <cstdlib> #include <math.h> #include <vector> #include <queue> #include <algorithm> #include <sstream> #include <string> using namespace std; #define FOR(I,N) for(int I = 0; I < (int)(N); I++) #define FIN(V) cout<<V<<endl #define pb push_back #define INF (1 << 30) typedef ...
0
#include <bits/stdc++.h> using namespace std; long long n, i, j, k, l, sum = 0, flag = 0, t, a[200005], ans = 0, m; string s; bool check(int first) { long long ind = n - first, cnt = 1, cur = k; for (; ind < n; ind++) { if (a[ind] > k) return false; if (a[ind] <= cur) { cur -= a[ind]; } else { ...
4
#include <bits/stdc++.h> using namespace std; struct Tuple { int l, r, type, i; } everything[2 * 100005]; bool cmp(Tuple x, Tuple y) { if (x.l == y.l) { if (x.type == y.type) { return x.r < y.r; } else { return x.type < y.type; } } return x.l < y.l; } int n, m; int main() { bool yes; ...
3
#include <bits/stdc++.h> using namespace std; int n, m, g; int a[10010], v[10010]; struct Node { int to, next, flow; } Edge[10010 << 4]; int Head[10010 << 1], cnt_Edge = 1; void add(int u, int v, int w) { Edge[++cnt_Edge] = (Node){v, Head[u], w}; Head[u] = cnt_Edge; } void Add_Edge(int u, int v, int w) { add(u,...
5
#include <iostream> using namespace std; int main() { int A, B, C, X, Y; scanf("%d%d%d%d%d", &A, &B, &C, &X, &Y); printf("%d\n", min(A * X + B * Y, min(2 * C * max(X, Y), 2 * C * min(X, Y) + (X > Y ? A * (X - Y) : B * (Y - X))))); return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int n, m, i; string word, s1, s2; cin >> n >> m; map<string, string> m1; for (i = 0; i < m; i++) { cin >> s1 >> s2; m1[s1] = s2; } for (i = 0; i < n; i++) { cin >> word; if (word.length() <= m1[word].length()) cout << word <<...
2
#include <bits/stdc++.h> using namespace std; vector<long long int> singlefactorise(long long int a) { set<long long int> salman; for (int i = 2; i * i <= a; i++) { while (a % i == 0) { salman.insert(i); a /= i; } } if (a != 1) salman.insert(a); vector<long long int> kaif; for (set<long ...
3
#include <cstdio> int main(){ int x;scanf("%d",&x);int y=x; int s=0; for(int i=0;i<9;i++){ s+=x%10;x/=10; } printf(y%s?"No\n":"Yes\n"); return 0; }
0
#include <bits/stdc++.h> using namespace std; vector<pair<int, int> > neg; vector<pair<int, int> > pos; int main() { ios_base::sync_with_stdio(false); int n; cin >> n; for (int i = 0; i < n; i++) { int a, b; cin >> a >> b; if (a < 0) { neg.push_back({a, b}); } else { pos.push_back({a...
1
#include <bits/stdc++.h> using namespace std; int main() { int i, j, n, c = 0, e = 0, f = 0; cin >> n; char a[n][n]; for (i = 0; i < n; i++) { for (j = 0; j < n; j++) { cin >> a[i][j]; } } for (i = 0; i < n; i++) { for (j = 0; j < n; j++) { if (a[0][0] == a[i][j] && i == j) c++; ...
1
#include <bits/stdc++.h> using namespace std; inline int read() { int f = 1, x = 0; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } int n, a[100100], b, an...
3
#include <bits/stdc++.h> using namespace std; const long long N = (int)2e5 + 74, OO = 0x3f3f3f3f, MOD = (int)1e9 + 7; class CPermutations { public: void init() {} void solve(istream& cin, ostream& cout) { init(); int n; cin >> n; vector<int> a(n), b(n); map<int, int> idx; for (int i = 0; i ...
3
#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { int n, a, b; vector<pair<int, int>> vp; cin >> n; for (int i = 0; i < n; i++) { cin >> a >> b; vp.push_back(make_pair(a, b)); } sort(vp.begin(), vp.end()); int ans = 0; for (int i = 0; i < vp.size(); i++) { ...
3
#include <iostream> #include <string> using namespace std; int main() { double l[10]; char c; while(cin >> l[0] >> c) { // ????????¨??????1????????? int sum = l[0]; for(int i=1; i<10; i++) cin >> l[i] >> c, sum += l[i]; for(int i=0; i<10; i++) l[i] = l[i]/sum; // ???????????????1??...
0
#include <bits/stdc++.h> using namespace std; const long long N = 201; const long long big = 1e18; const long long block = 800; const long long mod = 1e6; long long n; long long dp[3]; long long sob[N]; int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cin >> n; sob[0] = dp[1] = dp[2] = big; f...
3
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; int a[40] = {2, 3, 5, 7, 13, 17, 19, 31, 61, 89, 107, 127, 521, 607, 1279, 2203, 2281, 3217, 4253, 4423, 9689, 9941, 11213...
5
#include <bits/stdc++.h> using namespace std; int main() { int l, i = 0; stack<char> f; string n; cin >> n; l = n.length(); while (i < l) { if (f.empty()) { f.push(n[i]); } else if (n[i] == f.top()) { f.pop(); } else { f.push(n[i]); } i++; } if (f.empty()) cout ...
2
#include <bits/stdc++.h> using namespace std; int a[200000]; int main() { int i, j, n, x, y, tec, sqx, kol; cin >> n; for (i = 1; i <= n; i++) { kol = 0; cin >> x >> y; sqx = sqrt((double)x) + 2; for (j = 1; j <= sqx && j < x; j++) if (x % j == 0) { if (i - a[j] > y) kol++; t...
4
#include <bits/stdc++.h> using namespace std; void input() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); } int32_t main() { input(); long long int t; cin >> t; while (t--) { long long int p, f, cnts, cntw, s, w; cin >> p >> f >> cnts >> cntw >> s >> w; long long int ans = 0; if ...
2
#include <bits/stdc++.h> using namespace std; int main() { long long n, k, l, h, mid, num, ind = -1, mn; cin >> n >> k; l = 1; h = k - 1; while (l <= h) { mid = (l + h) / 2; num = (mid * (mid + 1)) / 2 + 1; if (num >= n) { ind = mid; h = mid - 1; mn = num; } else if (num < n)...
2
#include <bits/stdc++.h> using namespace std; void solve() { int T; cin >> T; while (T--) { string s; cin >> s; sort(s.begin(), s.end()); int n = 1; for (int i = 0; i < s.length(); i++) { if (s[i] == s[i + 1]) n++; } if (n == s.length()) { cout << -1 << "\n"; continue...
2
#include <bits/stdc++.h> using namespace std; template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << ": " << arg1 << endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cerr.write(name...
5
#include<cstdio> #include<string> #include<cstring> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; string solve(const string &s){ int n=s.length(); static int dp[2001][2001],from[2001][2001]; rep(i,n+1) dp[i][0]=dp[0][i]=0, from[i][0]=from[0][i]=-1; rep(i,n) rep(j,n) if(i+j<=n) { if(s[i]==s[n-j...
0
#include <bits/stdc++.h> int parse1(char *s, char *s_, char ss[][16]) { int h, hl, hr, j, l, r, c; l = 0; while (s[l] != '(') l++; r = l; while (s[r] != ')') r++; hr = l - 1; while (s[hr] <= ' ') hr--; hl = hr; while (hl >= 0 && s[hl] > ' ') hl--; hl++; memcpy(s_, s + hl, hr - hl + 1); s_[hr - h...
4
#include <bits/stdc++.h> #define rep(i, a, n) for(int i = a; i < n; i++) #define REP(i, n) rep(i, 0, n) #define repb(i, a, b) for(int i = a; i >= b; i--) #define all(a) a.begin(), a.end() #define int long long #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) using namespace std; typedef pair<int, int...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n, m, t, w, maxC = 0; cin >> n >> m; vector<vector<int>> candyDest(n, vector<int>()); for (int i = 0; i < m; ++i) { cin >> t >> w; candyDest[t - 1].push_back(w - 1); maxC = max(maxC, (...
4
#include <bits/stdc++.h> using namespace std; const int INF = (int)(1e9); const long long INF64 = (long long)(1e18); const long double EPS = 1e-9; const long double PI = 3.1415926535897932384626433832795; int main() { int n, l, r; scanf("%d", &n); int arr[100005], result; map<int, int> left; map<int, int> rig...
4
#include <bits/stdc++.h> using namespace std; const int MAX = 1000006; int rnk[MAX], parent[MAX], ans[MAX], arr[MAX]; vector<int> comp[MAX]; priority_queue<int> q[MAX]; int find(int x) { if (x == parent[x]) return x; return parent[x] = find(parent[x]); } void merge(int x, int y) { x = find(x); y = find(y); if...
4
#include <bits/stdc++.h> const int N = 400005; struct edge { int x, y; } a[N]; int n, m, s, t, p, ds, dt, cnt, ans[N], d[N][2], fa[N]; template <class type> inline void read(type &k) { k = 0; type t = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') t = -1; ch = getchar(); } w...
6
#include <bits/stdc++.h> using namespace std; void solve() { int n; long long int k; cin >> n >> k; vector<pair<int, int> > a(n); for (int i = 0; i < n; i++) { cin >> a[i].first >> a[i].second; } sort(a.begin(), a.end()); int ans = -1; long long int l = 0, r = 2e9; for (int i = 0; i < 60; i++) {...
4
#include <bits/stdc++.h> using namespace std; int main() { int n, k; scanf("%d%d", &n, &k); char s[n + 1]; int cnt[26] = {0}; scanf("%s", s); for (int i = 0; i < n; i++) { cnt[s[i] - 'a']++; } int remove[26] = {0}; for (int i = 0; i < 26; i++) { if (k <= 0) { break; } if (k >= cn...
3
#include <bits/stdc++.h> using namespace std; const int N = 520; char farm[N][N]; void dfs(int a, int b) { if (farm[a + 1][b] == 'W' or farm[a - 1][b] == 'W' or farm[a][b + 1] == 'W' or farm[a][b - 1] == 'W') { cout << "No"; exit(0); } } int main() { int n, m; cin >> n >> m; for (int i = 1; i <=...
1
/*---Don't look at the standing---*/ #include <bits/stdc++.h> using namespace std; typedef long long ll; const ll N = 200004, mod = 1e9 + 7; char a[N]; ll b[N], dp[505][505]; int j, n; ll solve(int i, int cnt) { if (cnt < 0) { if (i > j) return 0; cnt = ...
4
#include <bits/stdc++.h> int main() { std::ios_base::sync_with_stdio(false); const long N = 1000; long n; std::cin >> n; std::string s; std::cin >> s; bool possible(false); for (long p = 0; p <= N; p++) { long cur(0), cnt(0); for (long q = 0; q < s.size(); q++) { cur += s[q] - '0'; i...
3
#include <bits/stdc++.h> using namespace std; int main() { int t; int n, m; int i, j; int ans; vector<int> v1, v2; scanf("%d", &t); int flag = 0; while (t--) { v1.clear(); v2.clear(); flag = 0; scanf("%d%d", &n, &m); if (n == 0) { ans = m + 1; printf("%d\n", ans); c...
3
#include <bits/stdc++.h> using namespace std; long long a[200006], b[200006], x[200006], nrel, t; int main() { cin >> nrel >> t; for (int i = 1; i <= nrel; i++) cin >> a[i]; a[nrel + 1] = (long long)3000000000000000000 - 1; for (int i = 1; i <= nrel; i++) cin >> x[i]; for (int i = 1; i <= nrel; i++) if (x...
1
#include <bits/stdc++.h> using namespace std; const int N = 500 + 10; int n, m; vector<int> mat[N]; int d[N][N][2]; struct state { int fir, sec; bool is; state(int f = 0, int s = 0, bool i = false) { fir = f, sec = s, is = i; } } par[N][N][2]; queue<state> q; vector<int> out[2]; void input() { cin >> n >> m; ...
5
#include <bits/stdc++.h> using namespace std; long long presum[200001]; int main() { int n; cin >> n; long long a[n]; for (int i = 0; i < n; i++) { scanf("%I64d", &a[i]); } sort(a, a + n); reverse(a, a + n); presum[0] = 0; long long ans2 = 0; for (int i = 1; i < n; i++) { presum[i] = a[i] + ...
2
#include <bits/stdc++.h> using namespace std; int main() { long long n, e = 0, d = 0; cin >> n; long long h[n + 1]; h[0] = 0; for (long long i = 1; i < n + 1; i++) { cin >> h[i]; } for (long long i = 1; i < n + 1; i++) { e = e + (h[i - 1] - h[i]); if (e < 0) { d = d - e; e = 0; ...
2
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 100; int n, arr[N], preSum[N], sufSum[N], preMax[N], sufMax[N]; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &arr[i]), preSum[i] = preSum[i - 1] + arr[i]; for (int i = n; i >= 1; i--) sufSum[i] = sufSum[i + 1] + arr[i]...
3
#include <bits/stdc++.h> using namespace std; int cnt; bool b[310], good[310]; int a[20], mask[310], d[310][110], kd[310], q[100010]; int aw[100010], ax[100010], ay[100010], az[100010]; int main() { cin >> cnt; for (int i = 0; i < 30; i++) b[i] = 0; int need = 0; for (int i = 0; i < cnt; i++) { int foo; ...
3
#include <bits/stdc++.h> int main() { int a, b, c, d, m, n; scanf("%d%d%d%d", &a, &b, &c, &d); n = (3 * a) / 10; if ((a - (a / 250) * c) > n) n = a - (a / 250) * c; m = (3 * b) / 10; if ((b - (b / 250) * d) > m) m = b - (b / 250) * d; if (n > m) printf("Misha"); else if (m > n) printf("Vasya"); ...
1
#include <bits/stdc++.h> using namespace std; int const md = 998244353, R = 810127274, RI = 447056889, P2 = 1 << 23; inline int pw(int x, int p) { int an = 1; while (p) { if (p & 1) an = (long long)an * x % md; x = (long long)x * x % md; p >>= 1; } return an; } void ntt(vector<int> &v, bool inv = fa...
6
#include <bits/stdc++.h> using namespace std; int n, k; string s; class Trie { public: Trie *trie[26]; bool win, lose; void add_word(string &s, int pos) { if (pos == s.size()) return; if (trie[s[pos] - 'a'] == nullptr) { trie[s[pos] - 'a'] = new Trie(); } trie[s[pos] - 'a']->add_word(s, pos...
4
#include <bits/stdc++.h> using namespace std; const int INF = 1 << 28; int main () { int n; cin >> n; string S, T; cin >> S >> T; vector<int> s(256), t(256); for (int i = 0; i < n; i++) { s[S[i]]++; t[T[i]]++; } sort(s.begin(), s.end(), greater<int>()); sort(t.begin()...
0
#include <bits/stdc++.h> using namespace std; int main() { long long x; while (cin >> x) { long long i, a, b, arr[10005]; for (i = 1; i <= x; i++) { arr[i] = i; } for (a = 1; a <= x; a++) { for (b = 1; b <= x; b++) { if (a % b == 0 && a * b > x && a / b < x) { cout << a...
1
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; if (n % 2 == 0) { cout << n / 2; return 0; } bool f = 0; long long k = 0; for (long long i = 3; i * i <= n; i++) { if (n % i == 0) { f = 1; k = i; break; } } if (f) { cout << (1 + (n...
2
#include <bits/stdc++.h> using namespace std; void solve() { int n, m; scanf("%d %d\n", &n, &m); int k = 0; for (int i = 0; i * i <= n; i++) { for (int j = 0; j * j <= m; j++) { if (i * i + j == n && j * j + i == m) { k++; } } } printf("%d\n", k); } int main() { solve(); retu...
1
#include <bits/stdc++.h> int T; char s[111], a[111]; int len; bool is_upper(char c) { return 'A' <= c && c <= 'Z'; } bool is_lower(char c) { return 'a' <= c && c <= 'z'; } bool is_num(char c) { return '0' <= c && c <= '9'; } bool chk() { bool up = false, lo = false, num = false; for (int i = 0; i < len; i++) { ...
1
/*input 4 3 -1000000000 -1000000000 1000000000 1000000000 -999999999 999999999 999999999 -999999999 */ #include <bits/stdc++.h> using namespace std; int n,k; pair<long long,long long> a[1000005]; long long check(int x, int y){ long long l=a[y].first-a[x].first,w=1e18; vector<long long> v; for(int i=x;i<=y;++i) v.p...
0
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1.0); bool eq(string a, string b) { for (int i = 0; i < a.length(); i++) { if (a[i] == '1' || b[i] == '1') continue; if (a[i] != b[i]) return false; } return true; } int main() { string s; cin >> s; int k; cin >> k; int n = s....
2
#include <bits/stdc++.h> using namespace std; long double C[2050][2050], sum[2050], ans; int n, m, d[2050]; double Ans; inline int Read() { int x = 0; char y; bool z = 0; do y = getchar(), z |= y == '-'; while (y < '0' || y > '9'); do x = x * 10 + y - '0', y = getchar(); while (y >= '0' && y <= '9'); re...
4
#include <bits/stdc++.h> using namespace std; int n; long long w, b, x; long long bi[1009]; long long co[1009]; long long dp[1009][10009]; int main() { scanf("%d%I64d%I64d%I64d", &n, &w, &b, &x); long long sm = 0; for (int i = 1; i <= n; i++) scanf("%I64d", bi + i), sm += bi[i]; for (int i = 1; i <= n; i++) sca...
5
#include <bits/stdc++.h> using namespace std; int t, p = 0; string x; int main() { cin >> t; while (t--) { cin >> x; p += (x.size() + 1) * x.size() / 2; p += ((int)x[0] - 49) * 10; cout << p << "\n"; p = 0; } }
1
#include <cstdio> #include <iostream> #include <sstream> #include <iomanip> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <bitset> #include <numeric> #include <climits> #include <cfloat> using namespace ...
0
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const int MOD = 1e9 + 7; inline void chmax(int& x, int y) { if (x < y) x = y; } inline void chmin(int& x, int y) { if (x > y) x = y; } inline int LSB(int i) { return (i & -i); } long long n, m, k, pw[100]; long long Pow(long long a, long long...
2
#include <bits/stdc++.h> using namespace std; #define FOR(i,k,n) for(int i = (k); i < (n); i++) #define REP(i,n) FOR(i,0,n) #define ALL(a) begin(a),end(a) #define MS(m,v) memset(m,v,sizeof(m)) #define D10 fixed<<setprecision(5) typedef vector<int> vi; typedef vector<string> vs; typedef pair<short, short> P; typedef co...
0
#include <bits/stdc++.h> using namespace std; int dist[30][30]; int main() { int i, j, k; int n, m; int u, v; for (i = 0; i < 30; i++) { for (j = 0; j < 30; j++) dist[i][j] = 100000000; } for (i = 0; i < 30; i++) dist[i][i] = 0; string s, t; cin >> s >> t; if (s.length() != t.length()) { cout ...
2
#include <bits/stdc++.h> using namespace std; inline void setmin(int &x, int y) { if (y < x) x = y; } inline void setmax(int &x, int y) { if (y > x) x = y; } inline void setmin(long long &x, long long y) { if (y < x) x = y; } inline void setmax(long long &x, long long y) { if (y > x) x = y; } const int N = 2000...
5
#include <bits/stdc++.h> using namespace std; void dfs(vector<vector<int> > g, int s, vector<bool> &vis) { vis[s] = true; for (int i = 0; i < g[s].size(); i++) { if (!vis[g[s][i]]) { dfs(g, g[s][i], vis); } } } int findComponents(vector<vector<int> > g) { int t = 0; vector<bool> vis(g.size(), fa...
1
#include <bits/stdc++.h> using namespace std; long long fact(int a) { return a == 0 ? 1ll : a * fact(a - 1); } long long gcd(long long a, long long b) { return a == b ? a : gcd(b % a, a); } long long C(int n, int k) { return k == 0 ? 1ll : C(n - 1, k - 1) * n / k; } long long toInt(string s) { istringstream iss(s); ...
1
#include<bits/stdc++.h> using namespace std; long long ans = INT64_MAX; long long dif(long long a, long long b, long long c) { return max(a, max(b, c))-min(a, min(b, c)); } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); long long H, W; cin >> H >> W; long long A, B, C; for (int ...
0
#include <bits/stdc++.h> using namespace std; int main() { long long n, x, d, ct = 0; string str; cin >> n >> x; for (int i = 0; i < n; i++) { cin >> str >> d; if (str[0] == '+') { x += d; } else { if (x - d >= 0) { x -= d; } else { ct++; } } } cout <<...
1
#include <bits/stdc++.h> using namespace std; void err(istringstream *iss) {} template <typename T, typename... Args> void err(istringstream *iss, const T &varVal, const Args &...args) { string varName; *iss >> varName; if (varName.back() == ',') varName.back() = ' '; cout << varName << " = " << varVal << "; ",...
5
#include <bits/stdc++.h> char A[50][50]; int main() { int n; std::cin >> n; int fr_i = n + 1; int to_i = -1; int fr_j = n + 1; int to_j = -1; for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { std::cin >> A[i][j]; if (A[i][j] == '4') { fr_i = std::min(fr_i, i); to_...
2
#include <bits/stdc++.h> using namespace std; int a[33], b[33], k[33], p[33], u, r, n; long long an = -1000000000000000000ll; set<pair<long long, int> > H; void dfs(int x, int ha[], long long yo) { if (H.count(make_pair(yo, x))) return; H.insert(make_pair(yo, x)); int i; if (!(x & 1)) { long long tmp = 0; ...
4
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (int)(n); i++) using namespace std; int main() { int n, q; cin >> n; vector<int> s(n); rep(i,n) cin >> s[i]; int ct = 0; cin >> q; rep(i,q) { int left = 0; int right = n-1; int x; cin >> x; if (*lower_bound...
0
#include<iostream> #include<cstdio> #include<vector> using namespace std; #define REP(i,n) for(int i = 0; i < (int)(n); i++) int main() { int T; cin >> T >> ws; while(T--) { string buf; getline(cin, buf); // cout << buf << endl; // i == buf.size()‚ƂȂ邱‚Æ‚à‚ ‚éB // eof <=> i == buf.size...
0
#include <bits/stdc++.h> using namespace std; inline int setBit(int mask, int pos) { return (mask | (1 << pos)); } inline int resetBit(int mask, int pos) { return (mask & ~(1 << pos)); } inline bool checkBit(int mask, int pos) { return (bool)(mask & (1 << pos)); } int l, r; bitset<300000005> mark; void sieve(int lim) {...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, x; cin >> n >> x; int sq = sqrt(x) + 1; vector<int> v; for (int i = 1; i < sq; i++) { if (x % i == 0) { if ((i <= n) && (x / i <= n)) v.push_back(i); if (x % i == 0 && i * i != x) { if ((i <= n) && (x / i <= n)) v.push_b...
1
#include <bits/stdc++.h> using namespace std; typedef pair<long long, long long> ll; typedef vector<long long> vl; typedef vector<ll> vll; typedef vector<vl> vvl; template <typename T> ostream &operator<<(ostream &o, vector<T> v) { if (v.size() > 0) o << v[0]; for (unsigned i = 1; i < v.size(); i++) o << " " << v[i...
3
#include <iostream> using namespace std; double epsilon = 0.000001; double count(double c, double m, double p, double v, int depth){ double ret = p*depth; bool addToC = 1; bool addToM = 1; if(c<epsilon){ addToC = 0; } if(m<epsilon){ addToM = 0; } if(c>=v){ ret ...
3
#include <bits/stdc++.h> using namespace std; int main(int argc, const char* argv[]) { long long n, t; vector<long long> a; vector<long long> x; vector<long long> ret; scanf("%lld %lld", &n, &t); for (long long i = 0; i < n; i++) { long long tmp; scanf("%lld", &tmp); a.push_back(tmp); } for ...
3
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int MAX = 200005; int cth[MAX]; int ctv[MAX]; int main() { int a, b, n; scanf("%d %d %d", &a, &b, &n); set<int> h; set<int> maxh; set<int> maxv; set<int> v; h.insert(0); h.insert(b); v.insert(0); v.insert(a); maxh.inse...
1
#include <bits/stdc++.h> using namespace std; int main() { int temp; string s; cin >> s; for (int i = 0; i < s.length(); i = i + 2) { for (int j = i + 2; j < s.length(); j = j + 2) { if (s[i] > s[j]) { temp = s[i]; s[i] = s[j]; s[j] = temp; } } } cout << s; retu...
1
#include <bits/stdc++.h> using namespace std; int dp[20][100005]; void make(vector<int> &a) { int n = int((a).size()); for (int i = 0; i < int(n); i++) dp[0][i] = a[i]; for (int j = 1; (1 << j) <= n; j++) for (int i = 0; i + (1 << j) - 1 < n; i++) { dp[j][i] = dp[j - 1][i] | dp[j - 1][i + (1 << (j - 1))...
1
#include <bits/stdc++.h> using namespace std; int n, m, prt[100001][2] = {}, anc[100001], disc[100001] = {}, idx = 1; vector<vector<pair<int, int> > > adj; vector<int> ans; stack<pair<pair<int, int>, int> > sk; inline void stkout() { stack<pair<pair<int, int>, int> > tp = sk; cout << "Stack Size : " << tp.size() <<...
6
#include <bits/stdc++.h> #pragma comment(linker, "/stack:512000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native") #pragma GCC optimize("unroll-loops") using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; mt19937_64 ...
2