Submission #757613

#	Time	Username	Problem	Language	Result	Execution time	Memory
757613		boris_mihov	Thousands Islands (IOI22_islands)	C++17	5 / 100	33 ms	4432 KiB

islands

#include "islands.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <variant>
#include <vector>

typedef long long llong;
const int MAXN = 100000 + 10;
const int INF  = 1e9;

int n, m;
std::variant <bool, std::vector<int>> find_journey(int N, int M, std::vector <int> U, std::vector <int> V)
{
    n = N; m = M;
    for (int i = 0 ; i < m ; ++i)
    {
        U[i]++;
        V[i]++;
    }

    if (n == 2)
    {
        int cntOne = 0;
        int cntTwo = 0;
        std::vector <int> one;
        std::vector <int> two;
        for (int i = 0 ; i < m ; ++i)
        {
            if (U[i] == 1)
            {
                cntOne++;
                one.push_back(i);
            } else
            {
                cntTwo++;
                two.push_back(i);
            }
        }

        if (cntOne >= 2 && cntTwo >= 1)
        {
            return std::vector <int> ({one[0], two[0], one[1], one[0], two[0], one[1]});
        }

        return false;
    }

    return false;
}

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