Submission #837517

#	Time	Username	Problem	Language	Result	Execution time	Memory
837517		tengiz05	Thousands Islands (IOI22_islands)	C++17	10 / 100	36 ms	48340 KiB

islands

#include "islands.h"

#include <bits/stdc++.h>

using namespace std;

std::variant<bool, vector<int>> find_journey(int n, int m, vector<int> U, vector<int> V) {
    if (n == 2) {
        vector<int> e[n];
        for (int i = 0; i < m; i++) {
            e[U[i]].push_back(i);
        }
        if (e[0].size() >= 2 && e[1].size() >= 1) {
            return vector<int>{e[0][0], e[1][0], e[0][1], e[0][0], e[1][0], e[0][1]};
        } else {
            return false;
        }
    }
    vector<int> e[n][n];
    for (int i = 0; i < m; i++) {
        e[U[i]][V[i]].push_back(i);
    }
    return vector<int>{e[0][1][0], e[1][2][0], e[2][0][0], e[0][2][0], e[2][1][0], e[1][0][0],
                       e[2][0][0], e[1][2][0], e[0][1][0], e[1][0][0], e[2][1][0], e[0][2][0]};
}

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