제출 #1074263

#제출 시각아이디문제언어결과실행 시간메모리
1074263fv3수천개의 섬 (IOI22_islands)C++17
6.75 / 100
29 ms4436 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) 
{
  int cnt1 = 0, cnt2 = 0;
  int A = -1, B = -1, C = -1;
  for (int i = 0; i < M; i++)
  {
    if (U[i])
    {
      C = i;
      cnt2++;
    }
    else
    {
      if (A == -1)
        A = i;
      else
        B = i;
      cnt1++;
    }
  }
  if (cnt1 <= 1 || cnt2 == 0)
    return false;

  return vector<int>({A, C, B, A, C, B});
}
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