結果
問題 | No.2910 単体ホモロジー入門 |
ユーザー |
|
提出日時 | 2024-10-15 20:41:57 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 3,897 bytes |
コンパイル時間 | 2,516 ms |
コンパイル使用メモリ | 210,816 KB |
最終ジャッジ日時 | 2025-02-24 19:52:25 |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
other | AC * 47 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define rep(i, n) for(int i=0; i<n; i++)#define debug 0#define YES cout << "Yes" << endl;#define NO cout << "No" << endl;using ll = long long;using ld = long double;const int mod = 998244353;const int MOD = 1000000007;const double pi = atan2(0, -1);const int inf = 1 << 31 - 1;const ll INF = 1LL << 63 - 1;#include <time.h>#include <chrono>//vectorの中身を空白区切りで出力template<typename T>void printv(vector<T> v) {for (int i = 0; i < v.size(); i++) {cout << v[i];if (i < v.size() - 1) {cout << " ";}}cout << endl;}//vectorの中身を改行区切りで出力template<typename T>void print1(vector<T> v) {for (auto x : v) {cout << x << endl;}}//二次元配列を出力template<typename T>void printvv(vector<vector<T>> vv) {for (vector<T> v : vv) {printv(v);}}//vectorを降順にソートtemplate<typename T>void rsort(vector<T>& v) {sort(v.begin(), v.end());reverse(v.begin(), v.end());}//昇順priority_queueを召喚template<typename T>struct rpriority_queue {priority_queue<T, vector<T>, greater<T>> pq;void push(T x) {pq.push(x);}void pop() {pq.pop();}T top() {return pq.top();}size_t size() {return pq.size();}bool empty() {return pq.empty();}};//mod mod下で逆元を算出する//高速a^n計算(mod ver.)ll power(ll a, ll n) {if (n == 0) {return 1;}else if (n % 2 == 0) {ll x = power(a, n / 2);x *= x;x %= mod;return x;}else {ll x = power(a, n - 1);x *= a;x %= mod;return x;}}//フェルマーの小定理を利用ll modinv(ll p) {return power(p, mod - 2) % mod;}//Mexを求めるstruct Mex {map<int, int> mp;set<int> s;Mex(int Max) {for (int i = 0; i <= Max; i++) {s.insert(i);}}int _mex = 0;void Input(int x) {mp[x]++;s.erase(x);if (_mex == x) {_mex = *begin(s);}}void Remove(int x) {if (mp[x] == 0) {cout << "Mex ERROR!: NO VALUE WILL BE REMOVED" << endl;}mp[x]--;if (mp[x] == 0) {s.insert(x);if (*begin(s) == x) {_mex = x;}}}int mex() {return _mex;}};//Union-Findstruct UnionFind {vector<int> par;UnionFind(int N) : par(N) {for (int i = 0; i < N; i++) {par[i] = -1;}}//root(x):xの根を求める関数int root(int x) {if (par[x] == -1) {return x;}else {return par[x] = root(par[x]);}}//isSame(x,y):xとyが同じグループならtrueを返す関数bool isSame(int x, int y) {if (root(x) == root(y)) {return true;}else {return false;}}//Union(x,y):xとyの根をつなげる関数void Union(int x, int y) {int X = root(x);int Y = root(y);if (X == Y) {return;}if (X < Y) {swap(X, Y);}par[X] = Y;}};//最大公約数(ユークリッドの互除法)ll gcd(ll a, ll b) {if (b > a) {swap(a, b);}while (a % b != 0) {ll t = a;a = b;b = t % b;}return b;}//最小公倍数(gcdを定義しておく)ll lcm(ll a, ll b) {ll g = gcd(a, b);ll x = (a / g) * b;return x;}int main() {int N, M;cin >> N >> M;vector<set<int>> path(4);rep(i, M) {int u, v;cin >> u >> v;path[u].insert(v);path[v].insert(u);}vector<int> a(3);rep(i, 3) {cin >> a[i];}sort(a.begin(), a.end());bool ok = false;rep(i, 4) {for (int j = i + 1; j < 4; j++) {for (int k = j + 1; k < 4; k++) {if (path[i].count(j) && path[j].count(k) && path[k].count(i)) {vector<int> v = { i,j,k };if (a != v) {ok = true;}}}}}vector<int> v = { 0,1,2,3 };do {if (path[v[0]].count(v[1]) && path[v[1]].count(v[2]) && path[v[2]].count(v[3]) && path[v[3]].count(v[0])) {ok = true;}} while (next_permutation(v.begin(), v.end()));if (ok) {YES;}else {NO;}}