제출 #580171

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
580171	2022-06-20 16:40:35	wdjpng	Stranded Far From Home (BOI22_island)	C++17	0 / 100	1097 ms	44924 KiB

island

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#include <bits/stdc++.h>
#define int long long
#define double long double
#define rep(i,n) for(int i =0; i<n; i++)
#define all(a) a.begin(),a.end()
using namespace std;
int n,m;
vector<int>s;
vector<vector<int>>E;
vector<int>chef(2e5+1);
struct uni
{
    int sum=0;
    set<int>bord;
};
vector<uni>unis(2e5+1);
int find(int a)
{
    if(a==chef[a]) return a;
    return chef[a]=find(chef[a]);
}
void unite(int a, int b) {
    a=find(a);
 
 
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