제출 #835001

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
835001	2023-08-23 05:13:59	pavement	수천개의 섬 (IOI22_islands)	C++17	22.75 / 100	25 ms	5332 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define eb emplace_back
using ii = pair<int, int>;
vector<int> cyc, path, par;
vector<bool> vis;
vector<vector<ii> > adj, adj_t;
namespace ufds {
  vector<int> lnk, sz, num_edges;
  
  void init(int n) {
    lnk.resize(n);
    iota(lnk.begin(), lnk.end(), 0);
    sz.resize(n);
    fill(sz.begin(), sz.end(), 1);
    num_edges.resize(n);
    fill(num_edges.begin(), num_edges.end(), 0);
  }
  int find(int x) {
    if (x == lnk[x]) {
      return x;
    }
    return lnk[x] = find(lnk[x]);
  }
 
 
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• Subtask 2: 1.75 / 5
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