제출 #603703

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
603703	2022-07-24 09:58:05	veehz	Stranded Far From Home (BOI22_island)	C++17	10 / 100	484 ms	40748 KiB

island

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n, m;
vector<ll> par, sz, val, a;
vector<vector<ll>> e;
vector<bool> spreadable, inGraph; 
map<ll, vector<ll>> mp;
void make_sets() {
  par.assign(n, 0);
  iota(par.begin(), par.end(), 0);
  sz.assign(n, 1);
  val = a;
}
ll find_set(ll a) {
  if (par[a] == a) return a;
  return par[a] = find_set(par[a]);
}
ll set_val(ll a) { return val[find_set(a)]; }
void union_set(ll a, ll b) {
  a = find_set(a);
  b = find_set(b);
  if (a == b) return;
  if (sz[a] > sz[b]) swap(a, b);
  par[a] = b;
 
 
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