solution
stringlengths
53
181k
difficulty
int64
0
27
#include <bits/stdc++.h> using namespace std; long long mod = 1000000007; long long power(long long a, long long b) { long long res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } long long min(long long a, long long b) { if (a >...
6
#include <bits/stdc++.h> using namespace std; int dx[4] = {0, 1, -1, 0}; int dy[4] = {1, 0, 0, -1}; void a() { long long n; cin >> n; vector<long long> v(2 * n + 1); vector<long long> odd, even; for (long long i = 1; i <= 2 * n; i++) { cin >> v[i]; if (v[i] % 2) { odd.emplace_back(i); } else...
3
#include <bits/stdc++.h> using namespace std; long long l, r; long long cal(long long n) { long long t = n, x = 1; while (t != 0) x *= 10, t /= 10; x--; return n * (x - n); } int main() { cin >> l >> r; long long res = 0, k = 5; res = max(cal(l), cal(r)); for (int i = 0; i <= 9; i++) { if (k >= l &&...
8
#include <bits/stdc++.h> using namespace std; vector<int> nei[501]; int ideg[501]; bool outcyc[501]; int main() { int n, m, i; scanf("%d%d", &n, &m); for (i = 1; i <= m; i++) { int x, y; scanf("%d%d", &x, &y); nei[x].push_back(y); } for (i = 1; i <= n; i++) { int j, k, outcycno = 0; fill(i...
14
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; vector<char> calced(n); vector<string> a(n); set<string> have; int res = 0; for (string& pin : a) { cin >> pin; have.insert(pin); } for (int i = 0; i < n; i++)...
6
#include <bits/stdc++.h> using namespace std; struct SGT { int minn[1200000], maxn[1200000]; inline void pushup(int o) { minn[o] = min(minn[o * 2], minn[o * 2 + 1]); maxn[o] = max(maxn[o * 2], maxn[o * 2 + 1]); } void build(int l, int r, int o, int *fir1, int *fir2) { if (l == r) { minn[o] = f...
21
#include <bits/stdc++.h> const int inf = 0xfffffff; const long long INF = 1ll << 61; using namespace std; int n, m; int nnum[100005 + 55]; int fa[100005 + 55]; int sum[100005 + 55]; typedef struct Node { int fro, to, nex; int val; Node(int a = 0, int b = 0, int c = 0) : fro(a), to(b), val(c) {} }; Node edge[10000...
11
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 5; void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; err(++it, args...); } int pw(int a, int n) { int ans = 1; while (n...
4
#include <bits/stdc++.h> using namespace std; class node { public: long long int second; long long int length; }; long long int power(long long int n, long long int k) { long long int result = 1; while (k > 0) { if (k % 2 == 1) result = (result * n) % 1000000009; n = (n * n) % 1000000009; k = k / 2...
8
#include <bits/stdc++.h> int main() { int a, b, y, sophuttoida; scanf("%d %d", &a, &b); y = a - b; if ((a + b) > 2) { if (y % 3 == 0) { sophuttoida = a + b - 3; } else { sophuttoida = a + b - 2; } } else { sophuttoida = 0; } printf("%d", sophuttoida); return 0; }
3
#include <bits/stdc++.h> using namespace std; inline string get_string() { char ch[1000000]; scanf("%s", ch); return ch; } inline int get_Int() { int x; scanf("%d", &x); return x; } inline string get_String() { string x; cin >> x; return x; } inline long long get_long() { long long x; cin >> x; ...
9
#include <bits/stdc++.h> using namespace std; int main() { double w, h, w1 = 1, h1 = 1, w2, h2; cin >> h >> w; for (int x = 0; (1ll << x) <= h; x++) { h2 = (1 << x); w2 = ceil(h2 / 1.25 - 1e-9); if (w2 < floor(h2 / .8 + 1e-9) + 1e-9 && w2 < w + 1e-9) { w2 = min(w, floor(h2 / .8 + 1e-9)); i...
9
#include <bits/stdc++.h> using namespace std; const int Maxn = 100060; class Point { public: double x, y; void read() { scanf("%lf%lf", &x, &y); } Point(double _x = 0, double _y = 0) : x(_x), y(_y) {} double len() { return sqrt(x * x + y * y); } } P, v[Maxn]; const double pi = acos(-1); const double eps = 1e-7...
11
#include <bits/stdc++.h> using namespace std; int n; map<string, int> count_; string ans[70007]; int main() { cin >> n; for (int i = 1; i <= n; i++) { string s; cin >> s; for (int j = 0; j < 9; j++) { for (int l = 1; l <= 9 - j; l++) { string v = s.substr(j, l); if (count_[v] == 0)...
8
#include <bits/stdc++.h> using namespace std; const int MAX = 2e5 + 5; int n, a, sol, c[MAX]; multiset<int> s; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a); c[a]++; } for (int i = 0; i <= MAX; i++) if (c[i]) sol += c[i] - 1; printf("%d\n", sol + 1); return 0; }
5
#include <bits/stdc++.h> using namespace std; const int N = 2097152; int n, m, a[N], r[N], pw, len; bool vis[N]; struct Complex { double r, i; }; inline Complex operator+(Complex a, Complex b) { return {a.r + b.r, a.i + b.i}; } inline Complex operator*(Complex a, Complex b) { return {a.r * b.r - a.i * b.i, a.r * ...
20
#include <bits/stdc++.h> using namespace std; struct debugger { template <typename T> debugger& operator,(const T& v) { cerr << v << " "; return *this; } } debug; template <typename T1, typename T2> inline ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << "(" << p.first << ", " << p...
14
#include <bits/stdc++.h> using namespace std; const long int z = 1000000007; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int k, j; long long c = 0, sum = 0; cin >> k; string s; cin >> s; vector<long long> v; for (int i = 0; i < s.length(); i++) { if (s[i] == '1') { ...
8
#include <bits/stdc++.h> using namespace std; const int N = 100005; int n, m, type, x, y, z, sx, sy, sz, Ix, Iy, Iz, cx, cy, k, tot, Q, A, S, tmp; int L[N * 25], R[N * 25], a[N * 25], rt[N], son[N], ne[N], In[N], Out[N], v[N], d[N], f[N][20]; void dfs(int x) { In[x] = m++; for (int y = son[x]; y; y = ne[y]) ...
21
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; int const nmax = 200000; class FenwickTree { private: int n; vector<int> aib; public: FenwickTree(int n_) { n = n_; aib.resize(1 + n); } void update(int pos, int val) { for (int x = pos; x <= n; x += (x ...
13
#include <bits/stdc++.h> using namespace ::std; const int maxn = 2100 * 500; const int maxm = 4100; const int mod = 1e9 + 7; const int inf = 1e9 + 500; vector<pair<char, pair<int, int> > > bach[maxn]; int cn = 2; int en[maxn]; int trii[maxm][26]; int vazn[maxm][26]; int enn[maxm]; int sz[maxn]; int cnn = 1; int k; int ...
10
#include <iostream> #include <vector> #include <random> typedef unsigned long long ull; typedef signed long long sll; using namespace std; size_t vmin(vector<size_t>& values) { size_t ans = -1; for (auto& v : values) ans = min(ans, v); return ans; } size_t vmax(vector<size_t>& values) { size_t ans = 0...
22
#include <bits/stdc++.h> long long dp[105][105][105]; long long pre[105][105][105]; long long flo[105][105][105]; long long cost[105][105]; long long clr[105]; int main() { int n, m, cnt; scanf("%d%d%d", &n, &m, &cnt); for (int i = 1, p; i <= n; i++) { scanf("%d", &p); clr[i] = p; } for (int i = 1, p;...
9
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("O2,no-stack-protector,unroll-loops,fast-math") const long long maxn = 3e5 + 10, maxm = 1e6 + 10, lg = 14, mod = 1e9 + 7, inf = 1e18; const long long M = (1 << lg) + 20; string s; long long a[lg], b[lg], dp[M], ans = inf; long long ctn(c...
25
#include <bits/stdc++.h> using namespace std; template <class T> bool chk_mi(T &x, T y) { return x > y ? x = y, 1 : 0; } template <class T> bool chk_mx(T &x, T y) { return x < y ? x = y, 1 : 0; } template <class T> T Max(T x, T y) { return x > y ? x : y; } template <class T> T Min(T x, T y) { return x < y ? x :...
20
#include <bits/stdc++.h> using namespace std; const int N = 405; int n, m; int dist[N][N]; vector<int> reach[N][N], adj[N], nx; double prob[N], dprob[N]; double f(int city) { double pE = 0; for (int dist1 = 0; dist1 < n + 1; ++dist1) { double today = 1.0 / n; auto& reachables = reach[city][dist1]; if (r...
21
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); string s1, s2; int i, j, l; cin >> s1 >> s2; l = s1.length(); bool ch = false; for (i = l - 1; i >= 0; i--) { if (s1[i] != 'z') { s1[i]++; for (j = i + 1; j < l; ...
8
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; int arr[N]; int main() { int n; scanf("%d", &n); for (int i = 0; i < n; ++i) scanf("%d", &arr[i]); sort(arr, arr + n); int ans = n; long long sum = 0; for (int i = 0; i < n; ++i) { if (sum > arr[i]) --ans; else sum +...
5
//我忘不掉夏小姐了。 //如果不是知道了咩粟小姐,说不定我已经对这个世界没有留恋了。 //巫沐小姐真的好可爱啊。做料理的时候笨拙的样子很可爱,故意撒娇,修女小姐也很可爱,唱歌的时候很可爱,生气拍桌子的时候也很可爱。 //所以我离不开星夜小姐了。如果早晨不是有多多小姐的起床闹钟的话,说不定我永远都不愿意睁眼了。如果晚上不是有黎歌小姐的直播预定的话,这一天我都不希望过完了。 //萨摩小姐的眼睛好灵动,如果能映照出我就好了。冷鸢小姐的笑容好温柔,如果只为我一个人绽放就好了。鹿乃小姐的头发好柔顺,如果能让我尽情抚摸就好了。 //白桃小姐这样的存在真的是被允许的吗。 //只是像现在这样默念七海小姐的名字,我就觉得自己是世界上最最最最最幸福的...
20
#include <bits/stdc++.h> using namespace std; int mp[505][505]; int main() { int n; scanf("%d", &n); memset(mp, 0, sizeof(mp)); char s[505]; for (int i = 1; i <= n; i++) { scanf("%s", s + 1); for (int j = 1; j <= n; j++) { if (s[j] == 'X') mp[i][j] = 1; } } int ans = 0; for (int i = 2;...
0
#include <bits/stdc++.h> using namespace std; const int Maxn = 2e5 + 5; int T, n, t[Maxn * 4], m; long long ans; struct Node { long long num; int ini, seq; } a[Maxn]; bool cmp1(const Node &a, const Node &b) { return a.num < b.num; } bool cmp2(const Node &a, const Node &b) { return a.ini < b.ini; } inline int lowbit...
9
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long n, L, brk, cnt = 0; cin >> n >> L >> brk; long long t = 0; for (long long i = 0; i < n; i++) { long long x, y; cin >> x >> y; cnt = cnt + (x - t) / brk; t = x + y...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int one[8] = {0}; for (int i = 1; i < 8; i++) one[i] = one[i / 2] + i % 2; { int n, m; cin >> n >> m; string mat[n]; for (int i = 0; i < n; i++) { cin >> mat[i]; } ...
12
#include <bits/stdc++.h> int main() { int k; scanf("%d", &k); int q = 0; for (int i = 1; i < k; i++) { for (int j = 1; j < k; j++) { if ((q % 10) + i >= k) q += 10 + i - k; else q += i; printf("%d ", q); } printf("\n"); q = 0; } return 0; }
5
#include <bits/stdc++.h> using namespace std; const int MAXN = 4e5 + 5; const int mod = 1e9 + 7; const int inf = 0x3f3f3f3f; const long long INF = 9223372036854775807; long long a[MAXN], b[MAXN], c[MAXN]; int main() { int t; scanf("%d", &t); while (t--) { int n, m, k; scanf("%d%d%d", &n, &m, &k); for ...
9
#include <bits/stdc++.h> using namespace std; const int Log = 60; const int N = 210000; const int mod = 1e9 + 7; long long p2[Log + 5]; struct edge { int to, nxt; long long co; } e[N * 2]; int h[N], E = 0; int n, m; long long lb[Log + 5], tot = 0, cnt[Log + 5], siz[Log + 5]; int used[N], f[N], g[N]; long long lan[N...
18
#include <bits/stdc++.h> using namespace std; const long long mod = 998244353; const long long maxn = 200010; long long n, k; long long fac[maxn]; long long ifac[maxn]; long long ksm(long long a, long long b) { long long ret = 1; while (b != 0) { if (b % 2 == 1) ret = (ret * a) % mod; b /= 2; a = (a * a...
15
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native") #pragma GCC optimize("fast-math") #pragma GCC optimize "-O3" bool ask(int x1, int y1, int x2, i...
16
#include <bits/stdc++.h> const int MAXN = (int)(1e8); const int inf = (int)(1e9); using namespace std; int main() { long long n, h, k, s = 0, t = 0, temp = 0; cin >> n >> h >> k; for (int i = 0; i < n; i++) { long long x; cin >> x; if (s + x > h) { temp = (s - (h - x)) / k; if ((s - (h - x...
6
#include <bits/stdc++.h> using namespace std; int main() { int i, n, m, min = 0, max = 0, c = 0; cin >> n >> m; int ar[m], arr[m]; for (int i = 0; i < m; i++) { cin >> ar[i]; arr[i] = ar[i]; } while (c < n) { sort(ar, ar + m); i = 0; while (ar[i] == 0 && i < m) i++; min += ar[i]; ...
3
#include <bits/stdc++.h> int main() { int n; int m; int arr[100]; int x; int y; scanf("%d", &n); int i; for (i = 0; i < n; i++) { scanf("%d", &arr[i]); } scanf("%d", &m); for (int i = 0; i < m; i++) { scanf("%d %d", &x, &y); if ((x - 1) >= 1) { arr[x - 2] = arr[x - 2] + (y - 1); ...
0
#include <bits/stdc++.h> using namespace std; long long pr(long long a, long long b, char c) { if (c == '+') return a + b; return a * b; } int main() { vector<int> num(4); vector<char> sym(3); vector<bool> check(4, 0); long long result = 1000000000000; for (int i = 0; i < 4; i++) cin >> num[i]; for (int...
8
#include <bits/stdc++.h> using namespace std; const int max_n = 500005, inf = 1111111111; int n, m, u[max_n], v[max_n], f[max_n]; vector<int> g[max_n], ans; void add_edges() { vector<int> q; for (int i = 1; i <= n; ++i) { if (g[i].size() % 2 == 1) { q.push_back(i); } } if (q.size() % 2 == 1) { ...
18
#include <bits/stdc++.h> using namespace std; int main() { long long n, m, b1, b2, mul, X, Y, a[15], b[15], i; while (scanf("%I64d %I64d", &n, &b1) == 2) { for (i = 0; i < n; i++) { scanf("%I64d", &a[i]); } scanf("%I64d %I64d", &m, &b2); for (i = 0; i < m; i++) { scanf("%I64d", &b[i]); ...
3
#include <bits/stdc++.h> using namespace std; void FastIO() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); } long long int power(long long int a, long long int b) { long long int ret = 1; while (b) { if (b % 2) ret *= a; a *= a; b /= 2; } return ret; } int main() { FastIO(); ...
5
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; char ch; cin >> ch; string s; string s2[100]; getline(cin, s); int i; for (i = 0; i < t; i++) { getline(cin, s2[i]); } if (t % 2 == 0) { cout << "home" << endl; } else { cout << "contest" << endl; } retur...
1
#include <bits/stdc++.h> using namespace std; long long power(long long x, long long y) { long long res = 1; while (y) { if (y & 1) res = (res * x) % 1000000007; y = y / 2, x = (x * x) % 1000000007; } return res % 1000000007; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie...
8
#include <bits/stdc++.h> using namespace std; int n, m, ans; char a[22][100002]; int f[21][(1 << 20) + 1]; int main() { scanf("%d%d", &n, &m); ans = 1e9; for (int i = 1; i <= n; i++) scanf("%s", a[i] + 1); for (int i = 1; i <= m; i++) { int tmp = 0; for (int j = 1; j <= n; j++) tmp = tmp * 2 + a[j][i] -...
18
#include <bits/stdc++.h> using namespace std; using ll = int64_t; struct info { ll ls, rs, sum, len; ll sl, sr; info operator+(const info &t) { ll nls = (ls == len && sr <= t.sl) ? (ls + t.ls) : ls; ll nrs = (t.rs == t.len && sr <= t.sl) ? (t.rs + rs) : t.rs; ll nlen = len + t.len; ll nsum = sum +...
14
#include <bits/stdc++.h> using namespace std; const int MAXN = 200100; int N; vector<int> edge[MAXN]; int par[MAXN]; int dep[MAXN]; void flood(int cloc, int cdep, int last) { par[cloc] = last; dep[cloc] = cdep; for (int neigh : edge[cloc]) { if (neigh == last) continue; flood(neigh, cdep + 1, cloc); } }...
20
#include <bits/stdc++.h> using namespace std; long long mn = 1e9, mx = -1e9, ans, cnt, sm; bool ok, okk, used[1000010], use[10010]; string s[13] = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "B", "H"}; int getpos(string a) { for (int i = 0; i < 12; i++) { if (s[i] == a) { return i; } } } in...
4
#include <bits/stdc++.h> using namespace std; int main() { int n, x; int c[30], r[30]; for (int i = 0; i < 30; i++) { c[i] = 0; r[i] = 0; } cin >> n; for (int i = 0; i < n; i++) for (int j = 0; j < n; j++) { cin >> x; c[j] += x; r[i] += x; } int ans = 0; for (int i = 0;...
0
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 5; int n, m, a[N], b[N]; struct item { int val, le, ri; }; item t[4 * N]; inline item mrg(item a, item b) { if (a.le == -1) { return b; } if (b.le == -1) { return a; } item c; c.val = a.val + b.val - (a.ri < b.le); c.le = a.le; ...
9
#include <bits/stdc++.h> using namespace std; char G[205][205]; struct LOOP { int mask; } LP[205 * 205]; int shu[205][205], flag[205][205]; int dp[205][205], data[10][2], n, m, nct, nn; bool judge(int x, int y) { if (x < 1 || x > n || y < 1 || y > m) return false; return true; } char s[1000005]; int mk[1 << 11], ...
17
#include <bits/stdc++.h> using namespace std; template <class T, class U> void chmin(T &t, U f) { if (t > f) t = f; } template <class T, class U> void chmax(T &t, U f) { if (t < f) t = f; } signed main() { long long a, b, c; scanf("%lld:%lld%lld", &a, &b, &c); long long t = a * 60 + b + c; t %= 24 * 60; p...
1
#include <bits/stdc++.h> using namespace std; int main() { long long int n, k; cin >> n >> k; long long int pow[n]; for (long long int i = 1; i <= n; i++) cin >> pow[i]; long long int MAX = pow[1], num = 0; for (long long int i = 2; i <= n && num < k; i++) { if (pow[i] < MAX) num++; else { ...
4
#include <bits/stdc++.h> using namespace std; int main() { string zero = "."; string one = "-."; string two = "--"; string code; cin >> code; string ans; for (int i = 0; i < code.length(); i++) { if (code[i] == '.') { ans += "0"; continue; } if (code[i] == '-') { if (i + 1 < ...
0
#include <bits/stdc++.h> using namespace std; long long fastpow(long long a, long long b, long long m = (long long)(1e9 + 7)) { long long res = 1; a %= m; while (b > 0) { if (b & 1) res = (res * a) % m; a = (a * a) % m; b >>= 1; } return res; } int32_t main() { long long n, m; ...
8
#include <bits/stdc++.h> using namespace std; long long n, m, q, k, ans; string s; vector<pair<string, string>> teams; map<string, int> a; map<string, int> b; int isB[1005]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) { string s, t; cin >> s >> t; s =...
11
#include <bits/stdc++.h> using namespace std; const double PI = acos(-1.0); const double EPS = 1e-6; const int infi = (int)1e9; const long long infl = (long long)1e16; const int MOD = (int)1e9 + 7; const int MAX = (int)5e5 + 10; const int dx[] = {1, -1, 0, 0, 1, 1, -1, -1, 0}; const int dy[] = {0, 0, -1, 1, 1, -1, 1, -...
9
#include <bits/stdc++.h> using namespace std; vector<long long> adjList[200005]; long long x[200005], n, dp[200005][2]; long long FastMod(long long a, long long b) { long long res = 1; while (b > 0) { if (b & 1) res = (res * a) % 1000000007; a = (a * a) % 1000000007; b = b >> 1; } return res; } void...
12
#include <bits/stdc++.h> using namespace std; double pow(double a, int b) { double r = 1; double base = a; while (b != 0) { if (b & 1) r *= base; base *= base; b >>= 1; } return r; } int main() { int n, m; while (scanf("%d %d", &m, &n) != EOF) { double ans = 0; for (int i = 1; i <= m; ...
8
#include <bits/stdc++.h> using namespace std; struct p { int st, en, d; }; bool cmp(p a, p b) { return a.d < b.d; } bool cmp1(p a, p b) { return a.st < b.st; } p b[500005]; long long dp[5005], dp1[5005], dp2[5005]; int a[500005]; int main() { for (int i = 0; i < 5005; i++) dp[i] = 100000000000000LL, dp1[i] = 10...
14
#include <bits/stdc++.h> #pragma GCC optimize("Ofast", "unroll-loops", "omit-frame-pointer", "inline") #pragma GCC option("arch=native", "tune=native", "no-zero-upper") #pragma GCC target("avx2") using namespace std; template <typename T> void maxtt(T& t1, T t2) { t1 = max(t1, t2); } template <typename T> void mintt(...
7
#include <bits/stdc++.h> using namespace std; int main() { int t; int i, j, k; int m, n; int a, b; int num; while (scanf("%d%d", &n, &m) != EOF) { a = 0; b = 1000; while (n--) { scanf("%d%d", &j, &k); if (j > k) { i = k; k = j; j = i; } if (j > a) ...
2
#include <bits/stdc++.h> using namespace std; int R, C, K, Tail; int Board[60][60], Road[60][60], Best[60][60], Oki[60][60]; int Allow[100000][5]; int Last[60][60]; char Now[5]; int Res; int Check[30]; char Ans[10000]; int QR[10000], QC[10000]; void pre_process(char now, int left) { if (now > 'z') { if (left == 0...
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#include <bits/stdc++.h> using namespace std; char W[510][510]; int p[250010]; int sz[250010]; int n, k; int find(int x) { if (x == p[x]) return x; return p[x] = find(p[x]); } void join(int x, int y) { int xroot = find(x), yroot = find(y); if (xroot != yroot) { sz[yroot] += sz[xroot]; p[xroot] = yroot; ...
16
#include <bits/stdc++.h> using namespace std; const long long int N = 1e5 + 5, mod = 1e9 + 7, bit = 60; signed main() { ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); long long int n, t, curr; cin >> n >> t; while (t--) { cin >> curr; string s; cin >> s; for (auto x : s) { ...
11
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 7; inline int ri() { int x = 0; bool f = 1; char c = getchar(); for (; !isdigit(c); c = getchar()) if (c == '-') f = 0; for (; isdigit(c); c = getchar()) x = x * 10 + c - 48; return f ? x : -x; } int v[N]; int n, cur, cnt; int ans; void o...
7
#include <bits/stdc++.h> const int inf = 0x3f3f3f3f; using namespace std; const int N = 2e6 + 5; const double eps = 1e-9; long long mod = 1e9 + 7; long long n, a, b, c, d, st, len; struct node { long long tim, tp; } p[N]; long long calc1(long long x) { if (x == -1) return 0; return x ? a : -b; } long long calc2(l...
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#include <bits/stdc++.h> using namespace std; bool br1, br2, br; long long n, k, x, y, z, mini, maxi, w, l, ind, ini, sum, t, len, r, q, m, imini; long long _rank(long long x) { long long sum = 0; for (long long i = 1; i < n + 1; i++) sum += min(x / i, m); return sum; } long long bin() { x = 0; z = n * m;...
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#include <bits/stdc++.h> using namespace std; string s; long long n; vector<long long> v; bool check(long long x) { long long pos = 0; long long ret = 0; for (int i = 0; i < (int)v.size(); i++) { pos += v[i]; if (pos > x) { pos = v[i]; ret++; } } return ret + 1 <= n; } int main() { i...
11
#include <bits/stdc++.h> using namespace std; int main(void) { int m, n; cin >> m >> n; int a[111][111]; bool t = true; int res[101][101]; for (int i = 1; i <= m; i++) { for (int j = 1; j <= n; j++) { res[i][j] = -1; cin >> a[i][j]; } } for (int i = 1; i <= m; i++) { for (int j =...
5
#include <bits/stdc++.h> using namespace std; double a, v, l, d, w, t, vf, v1, xf, x, d1; double timp(double v0, double l) { double x, t = 0; x = (v * v - v0 * v0) / (2 * a); if (x <= l) { t += (double)(l - x) / v + x / ((v + v0) / 2); return t; } else { v = (double)sqrt(2 * a * l + v0 * v0); t ...
13
#include <bits/stdc++.h> using namespace std; stack<int> lf; int q[12345], val[12345], op[12345], memo[12345][123][2]; bool done[12345][123][2], ispls; string e; void parse(int l, int r) { if (e[l] == '(') { parse(l + 1, q[l] - 1); parse(q[l] + 1, r - 1); op[l] = op[l + 1] + op[q[l] + 1] + 1; } else { ...
15
#include <bits/stdc++.h> using namespace std; const int INF = (is_same<int, long long>::value ? 1e18L + 666 : 1e9L + 666); mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count()); template <class t1, class t2> bool cmax(t1 &a, const t2 &b) { if (a < b) { a = b; return true; } return f...
11
#include <bits/stdc++.h> using namespace std; const int INF = 1e9; void _debug() { cerr << "]" << endl; } template <typename T> void _debug(T a) { cerr << a << ']' << endl; } template <typename T, typename... Args> void _debug(T a, Args... args) { cerr << a << ", "; _debug(args...); } void solve() { int n, m, c...
2
#include <bits/stdc++.h> using namespace std; const long long inf = LLONG_MAX; int n, q, sq, len, ord, ii, jj, val, mx, mn, mxpos, mnpos; long long lazy[1000]; vector<pair<long long, long long> > S[1000]; inline int getseg(int pos) { return pos / sq + (pos % sq != 0); } void prop(int as) { for (int i = 0; i < S[as].s...
17
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { if (a < b) swap(a, b); while (b != 0) { a %= b; swap(a, b); } return a; } int n, m, q; int x[2000000]; int y[2000000]; int z[2000000]; void place(int i, int a) { int j = i; i += m; x[i] = a; y[i] = j; z[i] = j; while (i > ...
11
#include <bits/stdc++.h> using namespace std; int a[27], cnt = 1, m, t, anss = 0, tmp[27], p[1005], num[1005]; char s[15]; long long n; struct node { int digit[125][125]; } ans, temp, start; node times(node aa, node b, int x) { node c; for (int i = 0; i < x; i++) for (int j = 0; j < x; j++) c.digit[i][j] = 0;...
16
#include <bits/stdc++.h> using namespace std; const int inf = 1e9 + 7; const double eps = 1e-6; const double pi = 1.00 * acos(-1.00); void _print(long long t) { cerr << t; } void _print(int t) { cerr << t; } void _print(string t) { cerr << t; } void _print(char t) { cerr << t; } void _print(long double t) { cerr << t; ...
1
#include <bits/stdc++.h> using namespace std; int n, a[200005], q, ans[200005], root[200005], len[200005]; int cidx[200005], hang[200005]; long long m[200005]; basic_string<int> inv[200005], qry[200005]; basic_string<int> root_inv[200005], occ[200005], hang_inv[200005]; bool st[200005], cyc[200005]; void dfs1(int x) { ...
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#include <bits/stdc++.h> using namespace std; const long long MAXN = 3007; string a[MAXN], b[MAXN]; long long l[MAXN], r[MAXN]; mt19937 rnd(time(0)); long long MOD = -1; const long long BASE = 129; const long long MN = 1e9; const long long ADD = 1e6 + 7; bool check(long long n) { for (long long d = 2; d * d <= n; ++d...
16
#include <bits/stdc++.h> using namespace std; #define SZ(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define loop(i, a) for (int i = 0; i < (a); ++i) #define cont(i, a) for (int i = 1; i <= (a); ++i) #define circ(i, a, b) for (int i = (a); i <= (b); ++i) #define range(i, a, b, c) for (int i = (a); (c) > ...
26
#include <bits/stdc++.h> using namespace std; void preprocess(void) { return; } template <typename flow_t = int, typename cost_t = int> struct mcSFlow { struct Edge { cost_t c; flow_t f; int to, rev; Edge(int _to, cost_t _c, flow_t _f, int _rev) : c(_c), f(_f), to(_to), rev(_rev) {} }; sta...
14
#include <bits/stdc++.h> using namespace std; const long long int mod = 1e9 + 7; int main(void) { ios::sync_with_stdio(false); cin.tie(0); string s; cin >> s; bool eq = true; string pool; int conc = 0; string vowel = "aeiou"; for (int i = (int)(0); i < (int)(s.length()); i++) { bool is_cons = find...
7
#include <bits/stdc++.h> using namespace std; const int oo = 2000000009; const double eps = 1e-9; int main() { int n; int a[1005]; scanf("%d", &n); for (int i = int(0); i <= int(n - 1); i++) scanf("%d", &a[i]); bool f = true; int ans = 0; for (int i = 0; i < n - 1; i++) { int count = 1; for (int j...
0
#include <bits/stdc++.h> using namespace std; int main() { string s, t; cin >> s >> t; int n = s.length(); bool turn = false; int count = 0, i; for (i = 0; i < n; i++) { if (s[i] == t[i]) continue; else { count++; if (turn == false) { turn = true; continue; } ...
3
#include <bits/stdc++.h> const int INF = (int)(1e9); const long long INFLL = (long long)(1e18); const double EPS = 1e-13; using namespace std; int main() { ios_base::sync_with_stdio(false); int n; cin >> n; vector<int> f(n), s(n), a(n + 1); for (int i = (0); i < (int)(n); i++) cin >> f[i]; for (int i = (0);...
7
#include <bits/stdc++.h> using namespace std; long long n, m, x, y; void gcd(long long a, long long b, long long& d, long long& x, long long& y) { if (b == 0) { d = a; x = 1; y = 0; return; } gcd(b, a % b, d, y, x); y -= (a / b) * x; } int get(long long x, long long y) { long long a, b, d, key...
18
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; int p = n / (2 * k + 1); int q = n % (2 * k + 1); if (p == 0) { cout << "1\n"; cout << q / 2 + 1 << "\n"; } else if (q == 0) { cout << p << "\n"; for (int i = 1; i <= p; ++i) { cout << (k + 1) + (i - 1)...
5
#include <bits/stdc++.h> using namespace std; long long Set(long long n, long long pos) { return n | (1LL << pos); } bool Check(long long n, long long pos) { return (bool)(n & (1LL << pos)); } long long a[105][105]; int main() { long long cs, ts, i, j, k, x, y, z, q, m, n; while (scanf("%lld", &n) != EOF) { mem...
8
#include <bits/stdc++.h> using namespace std; const int MAXN = 300010; int n, m, x, k, a[MAXN], c[MAXN]; long long ans, b[MAXN]; void add(int x) { for (; x <= m; x += x & -x) c[x]++; } long long ask(int x) { long long ans = 0; for (; x; x -= x & -x) ans += c[x]; return ans; } int main() { scanf("%d%d%d", &n, ...
9
#include <bits/stdc++.h> using namespace std; long long w[100010], sum1[100010], sum2[100010]; int main() { long long n, l, r, Ql, Qr; cin >> n >> l >> r >> Ql >> Qr; for (int i = 0; i < n; i++) cin >> w[i]; sum1[0] = w[n] = 0; for (int i = 1; i <= n; i++) sum1[i] = sum1[i - 1] + w[i - 1] * l; sum2[n] = 0; ...
7
#include <bits/stdc++.h> using namespace std; long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; } long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } long long powmod(long long a, long long b, long long MOD) { long long ans = 1; while (b) { if (b % 2) ans = ans * a % MOD;...
10
#include <bits/stdc++.h> int n, m, c; int main() { scanf("%d%d", &n, &m); c = n * m - 1; for (int i = 0; i + i < c; i++) printf("%d %d\n%d %d\n", i / m + 1, i % m + 1, (c - i) / m + 1, (c - i) % m + 1); if (!(c & 1)) printf("%d %d\n", n / 2 + 1, m / 2 + 1); }
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#include <bits/stdc++.h> using namespace std; const int N = 2332; int n, tot, A[N], B[N], R[N], T[N]; vector<pair<int, int> > V; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%d", &A[i]), R[A[i]] = i; for (int i = 1; i <= n; i++) scanf("%d", &B[i]), T[B[i]] = i; for (int i = n; i; i--) { ...
15
#include <bits/stdc++.h> using namespace std; int N, serverAx, serverAy, tipo; int x, y, serverBx, serverBy; int main() { scanf("%d", &N); for (int i = 0; i < N; i++) { scanf("%d%d%d", &tipo, &x, &y); if (tipo == 1) { serverAx += x; serverAy += y; } else { serverBx += x; serverBy...
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; vector<int> a(n), oc[n + 1]; for(int i = 0; i < n; i ++){ cin >> a[i]; oc[a[i]].push_back(i); } int x = 0, y = 0, ans = 0; for(int i = 0; i <...
13
#include <bits/stdc++.h> using namespace std; int mod = 1e9 + 7; const int N = 2e5 + 5; long long n, m, sti, stj; char s[1005][1005]; bool vis[1005][1005][5][5], f; bool inrange(int i, int j) { if (i < n && i >= 0 && j < m && j >= 0 && s[i][j] != '*') return true; return false; } void dfs(int i, int j, long long tu...
8