Submission #1230454

#	Time	Username	Problem	Language	Result	Execution time	Memory
1230454		madamadam3	Thousands Islands (IOI22_islands)	C++20	5 / 100	18 ms	4424 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>

using namespace std;

using vi = vector<int>;

int n, m;
vi x, y;

variant<bool, vi> find_journey(int N, int M, vi U, vi V) {
  n = N; m = M;
  x = U; y = V;

  if (n <= 2) return false;
  int ab, ba, ac, ca, bc, cb;
  for (int i = 0; i < m; i++) {
    int u = x[i], v = y[i];
    if (u == 0 && v == 1) ab = i;
    else if (u == 1 && v == 0) ba = i;
    else if (u == 0 && v == 2) ac = i;
    else if (u == 2 && v == 0) ca = i;
    else if (u == 1 && v == 2) bc = i;
    else if (u == 2 && v == 1) cb = i;
  }

  return vi({ab, bc, ca, ac, cb, ba, ca, bc, ab, ba, cb, ac});
}

• Subtask 1: 0 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45