제출 #129770

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
129770	2019-07-13 07:49:14	pr3pony	Bridges (APIO19_bridges)	C++14	100 / 100	2933 ms	13824 KiB

bridges

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 51212, M = 121212, Q = 121212;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define F first
#define S second
pii e[M];
int d[M], la[M], ans[Q], dsu[N], vis[N], qu[N], vct;
vector<int> g[N];
int find(int u) {return dsu[u] < 0 ? u : dsu[u] = find(dsu[u]);}
void meld(int u,int v)
{
    u = find(u), v = find(v);
    if (u == v)
        return;
    if (dsu[v] < dsu[u])
        swap(u,v);
    dsu[u] += dsu[v];
    dsu[v] = u;
}
set<pii,greater<pii>> se;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,m,q;
    cin >> n >> m;
    for (int i = 1; i <= m; ++i) {
 
 
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• Subtask 2: 16 / 16
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• Subtask 6: 27 / 27