제출 #927301

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
9273012024-02-14 16:51:47Dzadzo다리 (APIO19_bridges)C++17
16 / 100
3042 ms433656 KiB
#include <bits/stdc++.h>
#define ll long long
#define int ll
#define pb push_back
#define S second
#define F first
#define pii pair<int,int>
#define vi vector <int>
#define vvi vector <vi>
#define vvvi vector <vvi>
#define vp vector <pii>
#define vvp vector <vp>
#define vb vector <bool>
#define vvb vector <vb>;
#define INF LLONG_MAX
#define MOD 1000000007
#define MAXN 100000
using namespace std;
int p[MAXN+1];
int s[MAXN+1];
stack <pair<pii,int>> st;
int find(int v){
if (p[v]==v)return v;
return find(p[v]);
}
void unite(int v,int u){
v=find(v);
u=find(u);
if (s[u]>s[v])swap(u,v);
st.push({{u,v},p[u]});
 
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