제출 #1204520

#제출 시각아이디문제언어결과실행 시간메모리
1204520HappyCapybara수천개의 섬 (IOI22_islands)C++20
6.75 / 100
18 ms4464 KiB
#include "islands.h"
#include<bits/stdc++.h>
using namespace std;

variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V){
  vector<vector<int>> g(N);
  for (int i=0; i<M; i++) g[U[i]].push_back(i);
  if (g[0].size() >= 2 && g[1].size() >= 1) return vector<int>({g[0][0], g[1][0], g[0][1], g[0][0], g[1][0], g[0][1]});
  return false;
}
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