제출 #647428

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
647428	2022-10-02 14:20:32	Pety	Stranded Far From Home (BOI22_island)	C++14	100 / 100	351 ms	47300 KiB

island

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int INF = 1e9;
const int MOD = 1e9 + 7;
int n, m, val[200002], ind[200002], p[200002], ok[200002];
ll sz[200002];
vector<int>G2[200002];
vector<int>G[200002];
int find (int x) {
  if (p[x] == x)
    return x;
  return p[x] = find(p[x]); 
}
void Union (int a, int b) {
  a = find(a);
  b = find(b);
  if (a != b) {
    G[a].push_back(b);
    G[b].push_back(a);
    p[b] = a;
  }
}
 
 
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• Subtask 5: 35 / 35