Submission #1037515

#	Time	Username	Problem	Language	Result	Execution time	Memory
1037515		12345678	Thousands Islands (IOI22_islands)	C++17	0 / 100	25 ms	3140 KiB

islands

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

using namespace std;

const int nx=1e3+5;

int cnt[nx];

std::variant<bool, std::vector<int>> find_journey(int N, int M, std::vector<int> U, std::vector<int> V) {
    for (int i=0; i<M; i+=2) cnt[U[i]]++, cnt[V[i]]++;
    if (cnt[0]>=2) return vector<int> {};
    return false;
}

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