제출 #628137

#제출 시각아이디문제언어결과실행 시간메모리
628137Turkhuu수천개의 섬 (IOI22_islands)C++17
6.75 / 100
50 ms4424 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) {
    int X = G[0][0];
    int Y = G[0][1];
    int Z = G[1][0];
    return vector<int>({X, Z, Y, X, Z, Y});
  } else {
    return false;
  }
}
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