solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; int const N = 150 + 20; int n, a[N], dp[N][N], full[N][N][N]; string s; bool pal[N][N], mark[N][N][N]; void sMax(int &a, int b) { a = max(a, b); } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cin >> n; for (int i = 1; i <= n; i++) cin >> a[i]...
4
#include <bits/stdc++.h> using namespace std; int main() { char ch = 1; vector<int> v; v.push_back(1); while (ch != '=') { scanf(" %c", &ch); if (ch == '?') continue; if (ch == '+') v.push_back(1); if (ch == '-') v.push_back(-1); } int n; scanf("%d", &n); int men = 0, mai = 0; for (int...
1
#include<iostream> #include<algorithm> #include<cstdio> #include<cstdlib> #include<cstring> #include<vector> using namespace std; const int maxn=1e5+10; int n,ord[maxn],cnt,deg[maxn],ans1[maxn],ans2[maxn]; vector<int> vec[maxn],g[maxn]; int main(){ scanf("%d",&n); for(int i=1,u,v;i<n;++i){ scanf("%d%d",&u,&v); ...
0
#include <bits/stdc++.h> using namespace std; const int INF = INT_MAX; int main() { int n; cin >> n; vector<int> fs(n); vector<int> c(n); vector<vector<int> > dp(n, vector<int>(3, INT_MAX)); for (int i = 0; i < n; i++) { cin >> fs[i]; } for (int i = 0; i < n; i++) { cin >> c[i]; dp[i][0] = c...
3
#include <bits/stdc++.h> using namespace std; int main() { long long n, i, k, target, number, count = 0, position; cin >> n >> k; vector<long long> a; for (i = 0; i < n; i++) { cin >> number; a.push_back(number); } while (n--) { if (a[n] != a[n - 1]) { count = n; break; } } i...
1
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; long long v[maxn], t[maxn], sum[maxn]; long long num[maxn]; long long remain[maxn], len[maxn]; long long n; int main() { scanf("%lld", &n); for (int i = 1; i <= n; i++) scanf("%lld", &v[i]); for (int i = 1; i <= n; i++) { scanf("%lld", &...
2
#include <bits/stdc++.h> using namespace std; int main() { long long i, j, k; long long n, m; cin >> n; m = sqrt(n * 2); j = m * (m + 1) / 2; if (j > n) { m--; j = m * (m + 1) / 2; } k = n % j; if (!k) cout << m << endl; else cout << k << endl; return 0; }
1
#include<iostream> using namespace std; int main() { for(;;){ int x, y; int map[100][100]; int dp[100][100]; cin >> x; cin >> y; if(x == 0 && y == 0){ break; } for(int i = 0; i < y; i++){ for(int j = 0; j < x; j++){ cin >> map[i][j]; } } //ツ鳴催渉可づ可暗ェツ氾板湘」ツづ個療アツづ個づつィツづィツ青板づーツ個...
0
#include <bits/stdc++.h> using namespace std; const int inf = 0x3c3c3c3c; const long long infl = 0x3c3c3c3c3c3c3c3c; const int MAX_N = 1e5 + 9; int ans[MAX_N]; int main() { cin.tie(NULL); cin.sync_with_stdio(false); cout.sync_with_stdio(false); string str; cin >> str; int strSz = str.size(); int ansSz = 0...
1
#include <bits/stdc++.h> using namespace std; const int NR = 1e6 + 5; const int MR = 1e6 + 5; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; inline int read() { int x = 0; int bei = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') bei = -1; ch = getchar(); } while (ch >= '...
3
#include <bits/stdc++.h> using namespace std; int is_pri[100 + 10]; int a[5 * 10000 + 10]; int ape[100 + 10]; int main() { int n; memset(is_pri, 0, sizeof(is_pri)); for (int i = 2; i <= 100; i++) { if (is_pri[i] == 0) is_pri[i] = 1; for (int j = 2; j * i <= 100; j++) { if (is_pri[i * j] == 0) is_pri...
2
#include <iostream> #include <algorithm> #include <vector> #include <queue> #include <bitset> #include <stack> #include <set> using namespace std; typedef long long ll; typedef pair<int,int> P; typedef pair<int,P> P2; const int inf=1000000000; int dp[101][101][301]={}; ll w1[101]={}; int v1[101]={}; ll km[101]={}; int...
0
#include <bits/stdc++.h> struct point { int x, l; } pp[1000000 * 2]; int qq[1000000 * 2], sk; int pcompare(const void *a, const void *b) { struct point *pa = (struct point *)a; struct point *pb = (struct point *)b; return pa->x != pb->x ? pa->x - pb->x : pb->l - pa->l; } void sort(struct point *pp, int n) { i...
4
#include <bits/stdc++.h> const int inf = 1061109567; const double eps = 1e-9; using namespace std; int n, m; inline int pw(int a, int b, int c) { if (!b) return 1 % c; int r = pw(a, b / 2, c); r = (1ll * r * r) % c; if (b % 2) r = (1ll * r * a) % c; return r; } int main() { scanf("%d%d", &n, &m); int res ...
1
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e6 + 10; int a[MAXN]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); int ans = 0; for (int i = 1; i <= n; i++) { for (int j = i + 1, sm = a[i]; j <= n + 1; j++) { if (sm > 100 * (j - i)) ans = max(...
2
#include <bits/stdc++.h> using namespace std; const double eps = 1e-9; const double pi = acos(-1); const int M = 3e5 + 10; const int inf = 2e9 + 10; const int mod = 998244353; int q, n, a[M], dp[M], nxt[M]; map<int, int> mp[M]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; cin >> q; ...
6
#include <bits/stdc++.h> using namespace std; int main() { cin.sync_with_stdio(0); cin.tie(0); cin.exceptions(cin.failbit); long long p, k; cin >> p >> k; vector<int> ans; while (p >= k) { ans.push_back(p - (p / k) * k); p = p / k; ans.push_back((p + k - 1) / k * k - p); p = (p + k - 1) / ...
2
#include <bits/stdc++.h> using namespace std; int main() { long long n, m, q; scanf("%lld %lld %lld", &n, &m, &q); long long a[n][m]; long long b[q], d[q], cou = 0, t, r, c, x; for (long long i = 0; i < q; i++) { scanf("%lld", &t); if (t == 1) { scanf("%lld", &r); b[cou] = t; d[cou] ...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(NULL); int tc; cin >> tc; while (tc--) { long long n, m; cin >> n >> m; long long ans = 0; long long d = n / 2; ans += d * m; if (n % 2 == 1) { long long q = ceil(m / 2.00)...
1
#include <bits/stdc++.h> using namespace std; const int N = 100005; int n, cnt, sum, len, tlen, tcnt; int a[26], ans[N], tans[N], id[26], pos[N], tpos[N]; void work1() { printf("0\n"); for (int i = 0; i < n; i++) for (int j = 1; j <= a[i]; j++) printf("%c", 'a' + i); } bool cmp(int x, int y) { return a[x] > a[y...
5
#include <bits/stdc++.h> using namespace std; #define int int64_t template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, ...
4
#include <bits/stdc++.h> using namespace std; mt19937 rd(chrono::steady_clock::now().time_since_epoch().count()); const int N = (int)1e5 + 9, K = 10, F = (int)1e4 + 7; struct node { node *l, *r; int val, prio, sz; node(int v) : l(NULL), r(NULL), val(v), prio(rd()), sz(1) {} } * root[F], *ll, *mm, *rr; int sz(node...
5
#include <bits/stdc++.h> int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); size_t n; std::cin >> n; std::vector<int32_t> a(n); int32_t sum = 0; for (size_t i = 0; i < n; ++i) { std::cin >> a[i]; sum += a[i]; } if (sum % 3 != 0) { std::cout << "0\n"; return 0; } ...
3
#include <bits/stdc++.h> using namespace std; int dx[] = {-1, 0, 1, 0}; int dy[] = {0, 1, 0, -1}; vector<int> f, col, wlk; int Find(int a) { if (f[a] == a) return a; int fa = Find(f[a]); f[a] = fa; return fa; } void Union(int a, int b) { int fa = Find(a); int fb = Find(b); if (fa == fb) return; wlk[fa] ...
4
#include <iostream> using namespace std; int main() { char p,q; int a,b,c; int x=0,y=0; while(cin >> a >> p >> b >> q >> c) { if(a*a+b*b==c*c) x++; if(a==b) y++; } cout << x << endl << y << endl; }
0
#include<bits/stdc++.h> using namespace std; int square[] = { 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289 }; int ans; void dfs(int num, int upper){ //cout << num << "\t" << upper << endl; for (int i = upper; i >= 0; i--){ if (num > square[i]) dfs(num - square[i], i); else if (num ...
0
#include <bits/stdc++.h> #define ed end() #define bg begin() #define mp make_pair #define pb push_back #define all(x) x.bg,x.ed #define newline puts("") #define si(x) ((int)x.size()) #define rep(i,n) for(int i=1;i<=n;++i) #define rrep(i,n) for(int i=0;i<n;++i) #define srep(i,s,t) for(int i=s;i<=t;++i) #define drep(i,s...
2
#include <bits/stdc++.h> using namespace std; #define pp pair<int,int> #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define ll long long #define ld long double #define all(a) (a).begin(),(a).end() #define mk make_pair ll MOD=1000000007; int inf=1000001000; ll INF=100000000000000000; int main() { int n,m; cin ...
0
#include <bits/stdc++.h> using namespace std; long n, k, i, j, x; map<long, long> b; priority_queue<pair<long, long> > c; int main() { cin >> n >> k; for (i = 0; i < n; i++) { cin >> x; b[x]++; } for (i = 0; i < b.size(); i++) if (b[i] != 0) for (j = 1; j <= b[i]; j++) c.push(make_pair(b[i] / ...
4
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const int INF = 20000; int n, m; vector<vector<int>> capacity; vector<vector<int>> adj; int bfs(int s, int t, vector<int>& parent) { fill(parent.begin(), parent.end(), -1); parent[s] = -2; queue<pair<int, int>> q; q.push({s, INF}); while (...
5
#include <bits/stdc++.h> using namespace std; void secrets() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } int n, k; vector<pair<int, pair<int, int>>> b; long long counter = 0; int main() { secrets(); cin >> n >> k; b.resize(n + 2); for (int i = 0; i < n; i++) { b[i].first = 0; ...
1
#include<iostream> using namespace std; int main() { int A,B,C; cin>>A>>B>>C; if (A*B*C==175) cout<<"YES"<<endl; else cout<<"NO"<<endl; }
0
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:102400000,102400000") using namespace std; template <class U, class T> void Max(U &first, T second) { if (first < second) first = second; } template <class U, class T> void Min(U &first, T second) { if (first > second) first = second; } template <class T> voi...
6
#include <bits/stdc++.h> using namespace std; const int N = 100005; int main() { int n, v, f = 0, m = 0, r = 0; scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &v); r = max(r - v, m + v); m = max(m + v, f - v); f -= v; } printf("%d\n", max(f, max(m, r))); return 0; }
3
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main(){ int h,w,x,y; cin >> h >> w >> x >> y; if(h*w%2==1 and (x+y)%2==1){ cout << "No" << endl; }else{ cout << "Yes" << endl; } return 0; }
0
#include <bits/stdc++.h> using namespace std; using namespace std; int n; int d[1 << 16], s[1 << 16]; vector<pair<int, int> > ans; int main() { cin >> n; set<pair<int, int> > m; for (int i = 0; i < n; i++) { cin >> d[i] >> s[i]; m.insert(pair<int, int>(d[i], i)); } while (!m.empty()) { pair<int, i...
1
#include <bits/stdc++.h> using namespace std; //#define int long long const int mod = 1e9+7; int dp[10003][100][2]; int main(){ string K; int D; cin >> K >> D; int n = K.length(); for(int i = 0; i < K[0] - '0'; i++){ dp[0][i%D][0]++; } dp[0][(K[0]-'0')%D ][1]++; for(int i = 1; i < n; i++){ for(int j...
0
#include <bits/stdc++.h> using namespace std; const int N = 5e3 + 2; const int M = 1e3 + 2; int num[N][M]; int flag[N]; int id[N][2]; int res[M][2]; int op[N]; int n, m; map<string, int> has; int ress[M][2]; int ans1[M]; int ans2[M]; void check(int val) { for (int i = 0; i < m; i++) num[0][i] = val; for (int i = 1;...
5
#include <bits/stdc++.h> using namespace std; int S, T; struct dat { int to, rev, f, cap; dat(int to = 0, int rev = 0, int f = 0, int cap = 0) : to(to), rev(rev), f(f), cap(cap) {} }; vector<dat> v[11000]; int a[11000], b[11000], c[11000], l[11000], r[11000], st[11000]; int dist[11000]; queue<int> q; int work...
4
#include<bits/stdc++.h> using namespace std; int Decoding(char c,int key){ int num; if(c >= 'A' && c <= 'Z'){ num=c-65; }else{ num=c-71; } num=(num+51*key)%52; return num; } int main(){ char list[52]; string str; int n; int key[100]; for(int i=0 ; i+65 <= 90 ; i++)list[...
0
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int k1, k2; cin >> k1; queue<int> a; for (int i = 0; i < k1; i++) { int x; cin >> x; a.push(x); } cin >> k2; queue<int> b; for (int i = 0; i < k2; i++) { int x; cin >> x; b.push(x); } int count = ...
3
#include <bits/stdc++.h> using namespace std; template <class T> void print(vector<T> a) { int n = a.size(); for (long long i = 0; i < n; ++i) { cout << a[i] << (i == n - 1 ? "\n" : " "); } } int sum_vector(vector<int> v) { return accumulate(v.begin(), v.end(), 0); } void sort_vector(vector<int> &v) { sort(v....
5
#include <bits/stdc++.h> using namespace std; int main() { int a, b, l, r, c, pl, pr, cl, cr; cin >> a >> b >> l >> r; c = a + b; cl = --l / c; cr = --r / c; pl = l % c; pr = r % c; if (cl == cr) { if (pl < a && pr < a) { cout << pr - pl + 1 << endl; } else if (pl < a && pr >= a) { c...
1
#include <iostream> using namespace std; int n,q; int dat[300000]; void init(){ int nn = 1; while(nn < n) nn *= 2; n = nn; for(int i = 0;i < n * 2 - 1;i++){ dat[i] = 0; } } void update(int a,int b,int x,int k,int l,int r){ if(r <= a || b <= l) return; if(a <= l && r <= b){ dat[k] += x; return; } updat...
0
#include <bits/stdc++.h> using namespace std; const int Z = 2500, BASE = 1e9 + 7; int n, k; long long f[55][55][5050]; long long dp(int i, int j, int sum) { if (i > n) return j == 0 && sum == k; long long &res = f[i][j][sum + Z]; if (res >= 0) return res; res = dp(i + 1, j, sum); if (j) { res...
0
#include <bits/stdc++.h> typedef struct { double x; double y; double r; } circle; typedef struct { double x; double y; } pt; int x[3]; int y[3]; int r[3]; pt np(double x, double y) { pt q; q.x = x; q.y = y; return q; } double abs_d(double d1) { if (d1 > 0) return d1; return -d1; } bool flag2 = tru...
3
#include <bits/stdc++.h> #define N 2005 #define rep(i,a,b) for(int i=a;i<=b;i++) using namespace std; int gets(){ int v=0; char ch; bool f=0; while(!isdigit(ch=getchar())) if(ch=='-') f=1; v=ch-48; while( isdigit(ch=getchar())) v=(v<<3)+(v<<1)+ ch-48; return f?-v:v; } char ch[N]; int T,n,m,ans[15],t,v,...
3
#include <bits/stdc++.h> const int inf = (1ll << 30) - 1; const int maxn = (int)1e5 + 10; using namespace std; long long L[111], R[111], SHIFT[111], SHIFTVAL[111]; int sz = 1; void upd1() { long long x, k; scanf("%lld%lld", &x, &k); int g = 1; while (R[g] < x) g++; SHIFTVAL[g] -= k; SHIFTVAL[g] %= (R[g] - L...
4
#include <bits/stdc++.h> using namespace std; int n, t[100100]; int dp[100100]; int main() { scanf("%d", &n); for (int i = 0; i < n; i++) scanf("%d", &t[i]); for (int i = 0; i < n; i++) { int x = 1000000000; if (i == 0) x = 20; else { x = dp[i - 1] + 20; int ini = 0, fim = i - 1; ...
4
#include <bits/stdc++.h> using namespace std; int n, m, s, w[100005], ans; double f[1050000], a[1050000]; char S[100005]; void fwt(double a[], int n, int d = 1) { if (d > 0) for (int m = 2, k = m >> 1; m <= n; m <<= 1, k <<= 1) { for (int i = 0; i < n; i += m) for (int j = i; j < i + k; ++j) { ...
5
// 2020.12.13 // Code by LTb // #pragma GCC optimize(2) #include <bits/stdc++.h> using namespace std; // #define int long long #define debug puts("QwQ"); inline int read(){ int x=0,f=1; char ch; while(ch<'0'||ch>'9') {if(ch=='-')f=-1;ch=getchar();} while(ch>='0'&&ch<='9') {x=x*10+ch-'0';ch=getchar();} ...
6
#include <bits/stdc++.h> using namespace std; const int N = 200005; int n, m, i, j, k, head[N], adj[N * 2], nxt[N * 2], mn[N], Mn[N], pt[N], Pt[N], dep[N], fa[N], ans[N], cnt; bool v[N]; void Print() { printf("%d", cnt); for (int i = 1; i <= cnt; ++i) printf(" %d", ans[i]); puts(""); } void work(int x, int d)...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int a[n], b[m]; for (long long i = 0; i < n; i++) cin >> a[i]; for (long long i = 0; i < m; i++) cin >> b[i]; sort(a, a + n); sort(b, b + m); int index = 0; for (long long i = 0; i < m; i++) if (index < n && a[inde...
2
#include <bits/stdc++.h> using namespace std; const long long M = 1e9 + 7; long long add(long long a, long long b) { (a += b) %= M; (a += M) %= M; return a; } long long mul(long long a, long long b) { (a *= b) %= M; (a += M) %= M; return a; } long long fastpo(long long a, long long x) { if (x == 0) return...
4
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; string s; cin >> s; string res = "BGR"; int cnt = mod; string ans; do { int mn = 0; string aux = s; for (int i = 0; i < n; i++) { ...
3
#include <bits/stdc++.h> using namespace std; const int Max = 2e6 + 10; const int Mod = 1e9 + 7; const long long int Inf = 1LL << 62; int ar[Max]; int main() { int n, mx = 0, mn = 1e9; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &ar[i]); mn = min(mn, ar[i]); mx = max(mx, ar[i]); } ...
4
#include <iostream> #include <cstdio> #include <string> #include <cstring> #include <algorithm> using namespace std; typedef long long LL; int read() { int x = 0, f = 1; char ch; while(! isdigit(ch = getchar())) (ch == '-') && (f = -f); for(x = ch ^ 48; isdigit(ch = getchar()); x = (x << 3) + (x << 1) + (ch ^ 48)); ...
0
#include <bits/stdc++.h> using namespace std; template <class T> inline void Max(T &a, T b) { if (a < b) a = b; } template <class T> inline void Min(T &a, T b) { if (a > b) a = b; } int a[200005]; double cal(double first, int n) { double s = 0, mi = 0, mx = 0; for (int i = 1; i <= n; i++) { s += a[i] - firs...
3
#include <bits/stdc++.h> using namespace std; char cells[1001][1001] = {0}; int scope[1001][1001] = {0}; int processNum[100001] = {0}; int ans[100001] = {0}; int pictFound = 0; int nCells, mCells, startingPoint, rowPos, colPos, maxPict, i; void visit(int rowPos, int colPos) { if (rowPos == 0 || colPos == 0 || rowPos ...
4
#include <bits/stdc++.h> using namespace std; void solve() { long long int n, m; cin >> n >> m; if (n % m == 0) { cout << "Yes" << endl; } else { cout << "No" << endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long int t = 1; cin >> t; while (t--) { ...
1
#include <bits/stdc++.h> const int N = 100010, INF = 1e9 + 10; std::vector<std::pair<int, int>> get_ancestors(int x, int y) { std::vector<std::pair<int, int>> res; res.push_back(std::make_pair(x, y)); for (int i = 0; i < 30; i++) { if (x >> i & 1) { assert(~y >> i & 1); x ^= 1 << i; res.push...
5
#include <bits/stdc++.h> using namespace std; const int sz = 2e6 + 9; int n, m; char a[sz], b[sz]; int arr[sz]; int cs[sz]; int ans; int main() { scanf("%s %s", a, b); n = strlen(a); m = strlen(b); for (int i = 0; i < n; i += m) { for (int j = 0; j < m; j++) arr[i + j] = (a[i + j] != b[j]); } cs[0] = ar...
3
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a, b; int day = 0; for (int i = 0; i < n; ++i) { cin >> a >> b; if (a > day) day = a; else { while (a <= day) a += b; day = a; } } cout << day << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; const long long int inf = 1e+15; const long long int mod = 1e9 + 7; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); vector<pair<int, int> > A, B; int n, x; cin >> n; vector<int> ans; for (int i = (0); i < (n); i++) { cin >> ...
1
#include <bits/stdc++.h> using namespace std; int a[100010]; set<int> s; int n, L; int lo, hi, mid; int fin(int tar) { lo = 0; hi = n - 1; while (lo <= hi) { mid = (lo + hi) / 2; if (a[mid] > tar) hi = mid - 1; else lo = mid + 1; } if (hi >= 0 && a[hi] == tar) return 1; return 0; } i...
2
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; const int MOD = 1e9 + 7; const int dx[] = {0, 0, 1, -1}; const int dy[] = {1, -1, 0, 0}; const char dir[] = {'R', 'L', 'D', 'U'}; ll add(ll a, ll b) { a += b; if (a >= MOD) { a -= MOD; } return a; } int sub(int a...
3
#include <bits/stdc++.h> using namespace std; const static int N = 3e5 + 2; const static int alpha = 26, K = 550; int trie[N][alpha], cnt[N], sz; void init() { memset(trie[0], 0, sizeof trie[0]); sz = 0; } void add(int l, const string &s, int x) { int v = 0; for (int i = l; i < s.size(); ++i) { int c = s[i]...
6
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool upmin(T &x, T y) { return y < x ? x = y, 1 : 0; } template <typename T> inline bool upmax(T &x, T y) { return x < y ? x = y, 1 : 0; } const long double pi = acos(-1); const int oo = 1 << 30; const long long OO = 1e18; const int mod = 1e...
2
#include <bits/stdc++.h> using namespace std; string s[105]; vector<string> v; int a[105]; int main() { memset(a, 0, sizeof(a)); int n; int ans = 0; string home; cin >> n >> home; for (int i = 0; i < n; i++) { cin >> s[i]; if (s[i].substr(0, 3) == home) { v.push_back(s[i].substr(5, 3)); } ...
1
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int cor[n], wro[m]; for (int i = 0; i < n; i++) cin >> cor[i]; for (int i = 0; i < m; i++) cin >> wro[i]; int tl; sort(cor, cor + n); sort(wro, wro + m); int v = max(2 * cor[0], cor[n - 1]); if (v < wro[0]) cout ...
1
#include <bits/stdc++.h> using namespace std; long long int n, m, i, j, k; long long int a[5050]; long long int mini = 1000000100, maxi = -1, res, sum = 0; long long f(long long int l, long long int r, long long int x) { if (l > r) return 0; long long int t = min_element(a + l, a + r + 1) - a; return min(r - l + ...
3
#include<iostream> using namespace std; int map[110]; bool solve() { if (map[1] % 2 == 1 && map[2] % 2 == 1) { for (int i = 3; i <= 100; i++){ if (map[i] % 2 == 1) return false; } return true; } else return false; } int main() { int a, b; while (cin >> a >> b) { if (!a && !b) { if (solve()) cout ...
0
#include <bits/stdc++.h> using namespace std; const long long inf = (1ll << 62) - 1; const long long MOD = 1e9 + 7; const int MAX = 1e9; const long long int N = 1e6 + 100; using namespace std; vector<int> factor(N, -1), primes; int bPow(int a, int b) { int res = 1; while (b) { if (b & 1ll) { res = 1ll * r...
1
#include <bits/stdc++.h> using namespace std; const int INF = 1e8; const int N = 1001; int n, m, x, y, pref[N], arr[N], dp[N][2]; char c; int solve(int idx, int t) { if (!idx) return dp[idx][t] = 0; if (idx < x) return dp[idx][t] = INF; int& ret = dp[idx][t]; if (ret) return dp[idx][t]; ret = INF; for (int ...
3
#include <iostream> using namespace std; int main() { int n,c=0; cin>>n; int arr[n]; for(int i=1;i<=n;i++){ cin>>arr[i]; if(i%2==1&&arr[i]%2==1){ c++; } } cout<<c; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int a, b, c, d; cin >> a >> b >> c >> d; int x = a + b, y = c + d; x = max(x, y); cout << x << endl; } }
2
#include <bits/stdc++.h> using namespace std; int fc[100005], fp[100005], h[15]; int dp[505][5042], ans, n, k; int main() { cin >> n >> k; for (int i = k * n, x; i--; ++fc[x]) cin >> x; for (int i = n, x; i--; ++fp[x]) cin >> x; for (int i = 1; i <= k; cin >> h[i++]) ; for (int x = 0, y, i; x < n; ++x) ...
6
#include <bits/stdc++.h> using namespace std; int main() { int n, aux, T, R; scanf("%d", &T); while (T--) { scanf("%d%d", &n, &R); int sum = 0; for (int i = 1; i < n; i++) scanf("%d", &aux), sum += aux; printf("%d\n", (R % n + n - sum % n + n - 1) % n + 1); } return 0; }
1
#include<iostream> using namespace std; int f; char c; int main(){ while(cin>>c)f^=1<<(c-97); cout<<(f?"No":"Yes")<<endl; }
0
#include <bits/stdc++.h> using namespace std; bool comp(pair<int, int> &f, pair<int, int> &s) { if (f.first > s.first) { return true; } if (f.first == s.first) { if (f.second < s.second) { return true; } else { return false; } } return false; } int main() { ios_base::sync_with_st...
1
#include <bits/stdc++.h> using namespace std; inline int read() { int x = 0, c = getchar(), f = 0; for (; c > '9' || c < '0'; f = c == '-', c = getchar()) ; for (; c >= '0' && c <= '9'; x = (x << 1) + (x << 3) + c - '0', c = getchar()) ; return f ? -x : x; } inline void write(int x) { if (x < 0) putch...
4
#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; while(n--){ double x1,x2,x3,y1,y2,y3; cin>>x1>>y1>>x2>>y2>>x3>>y3; double a,b,c; a=pow((x2-x3),2)+pow((y2-y3),2); b=pow((x3-x1),2)+pow((y3-y1),2); c=pow((x1-x2),2)+pow((y1-y2),2); double ox,oy; ox=(a*(b+c-a)*x1+b*(c-b+a)*...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; const double pi = acos(-1.0), eps = 1e-6; double dist(int x, int y) { return sqrt((long long)x * x + (long long)y * y); } struct Range { double l, r; bool operator<(const Range &b) const { return fabs(l - b.l) < eps ? r > b.r : l < b.l; ...
5
#include <bits/stdc++.h> using namespace std; int main() { ios_base ::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s; cin >> s; long long n = s.length(); long long st_row[] = {4, 5, 6, 3, 2, 1}; long long i, m = 0, ans = 0; for (--n, i = 0; i < n; i++) { m = m * 10 + (s[i] - '0');...
2
#include<bits/stdc++.h> using namespace std; int n,m; int main(){ scanf("%d%d",&n,&m); printf("%d\n",m==1?0:n-m); return 0; }
0
#include <bits/stdc++.h> int main() { int a, b, c = 0, d = 0; scanf("%d%d", &a, &b); int m[1005] = {0}, n[1005] = {0}; for (int i = 0; i < a; i++) { scanf("%d", &m[i]); } for (int i = 0; i < b; i++) { scanf("%d", &n[i]); } for (int i = 0; i < a; i++) { if (n[c] >= m[i]) { c++; d+...
1
#include <bits/stdc++.h> using namespace std; long long INF = 1E9; long long M = 1E9 + 7; inline long long power(long long a, long long p) { long long res = 1, x = a; while (p) { if (p & 1) res = (res * x); x = (x * x); p >>= 1; } return res; } int main() { ios::sync_with_stdio(false); cin.tie(N...
3
#include <bits/stdc++.h> using namespace std; char A[2005]; int ctos, debe, va; long long D[2005][2005], modd = 1000000007, suma; int main() { scanf("%d%d%s", &ctos, &debe, A + 1); for (int queda = 0; queda <= debe; queda++) { suma = 0; if (queda == 0) suma = 1; for (int dnde = ctos + 1; dnde > 0; dnde-...
5
#include <bits/stdc++.h> using namespace std; long long sqr(long long x) { return x * x; } int mysqrt(long long x) { int l = 0, r = 1e9 + 1; while (r - l > 1) { int m = (l + r) / 2; if (m * (long long)m <= x) l = m; else r = m; } return l; } mt19937 rnd(chrono::high_resolution_clock::now...
2
#include <bits/stdc++.h> using namespace std; int n; int dat[128]; pair<int, int> d2[128]; int gcd(int a, int b) { while (b) { int tmp = a % b; a = b; b = tmp; } return a; } vector<int> cand; int ans = INT_MAX; vector<int> anscand; void rec(int lower) { if (cand.size() > n) { return; } int c...
4
#include <bits/stdc++.h> using namespace std; long long C, h1, h2, w1, w2; int main() { cin >> C >> h1 >> h2 >> w1 >> w2; long long asd = C / w1, ans = 0; for (long long i = asd, k = 1; i >= 0 && k <= 10000000; i--, k++) { long long left = C - i * w1; left /= w2; ans = max(ans, i * h1 + left * h2); ...
3
#include <bits/stdc++.h> using namespace std; const int INF = (-1u) / 2; const long long int INF2 = (-1ull) / 2; int a[310], b[310], i, d[310][310], j, k, n, m, timer = 0, l, r, x, y, len, prevv[310], now[310], mx[310], mn[310]; int c[1011000], cnt = 0, fl = 0, a2, a3 = -1000000, ans = 0, res[1110]; deque<int> v; d...
3
#include <bits/stdc++.h> using namespace std; int main() { long long int n, k, A[100], i, j; cin >> n >> k; for (i = 0; i < n; i++) { cin >> A[i]; } sort(A, A + n); cout << A[n - k]; return 0; }
2
#include <bits/stdc++.h> using namespace std; vector<long long> gp[100001]; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long n, s; cin >> n >> s; for (long long i = 0; i < n - 1; i++) { long long a, b; cin >> a >> b; gp[a].push_back(b); gp[b].push_back(a); } long...
2
#include <cstdio> using namespace std; char map[8][8]; void check(void); int main() { while (scanf(" %c", &map[0][0]) != EOF){ for (int i = 1; i < 8; i++){ scanf(" %c", &map[0][i]); } for (int i = 1; i < 8; i++){ for (int j = 0; j < 8; j++){ scanf(" %c", &map[i][j]); } } check(); } ...
0
#include <bits/stdc++.h> using namespace std; const int INF = 2147000000; const long long inf = 1e18; long long gcd(long long a, long long b) { if (!b) return a; return gcd(b, a % b); } void exgcd(long long a, long long b, long long& d, long long& x, long long& y) { if (!b) { d = a; x = 1; y = 0; } ...
3
#include <bits/stdc++.h> using namespace std; const int INF = 2147483647; const long long LLINF = 9223372036854775807LL; const int ST = 100010; const int ST1 = 1000010; const long long MOD = 1000000007; long long ABS(long long a) { if (a < 0) return a * (-1); else return a; } int main() { int n, m, s; c...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 5e6 + 13; const int MAXK = 5e6 + 13; const long long INF = 2e9 + 7; const long long MD = 1e9 + 7; const long double EPS = 1e-9; const long double PI = 3.14159265359; bool check(long long a, long long b, long long h, long long w) { return (a <= h && b <= w...
4
#include <bits/stdc++.h> using namespace std; const int MAXn = 100 + 17; int n; int arr[MAXn]; int main() { cin >> n; for (int i = 1; i <= n; i++) cin >> arr[i]; int min = 100 + 17, max = 0, jamin = 0, jamax = 0; for (int i = n; i >= 1; i--) { if (arr[i] < min) { min = arr[i]; jamin = i; } ...
1
#include <bits/stdc++.h> using namespace std; const int maxn = 1000 + 10; vector<long long> p; long long a, b; void DFS(long long x) { if (x > b) return; p.push_back(x); if (x == b) { printf("YES\n"); printf("%lld\n", (long long)p.size()); for (int i = 0; i < (int)p.size(); i++) printf("%lld%c",...
1