Submission #706349

#	Time	Username	Problem	Language	Result	Execution time	Memory
706349		danikoynov	Thousands Islands (IOI22_islands)	C++17	6.75 / 100	37 ms	4372 KiB

islands

#include "islands.h"

#include <variant>
#include <vector>

using namespace std;
std::variant<bool, std::vector<int>> find_journey(
                                      int N, int M, std::vector<int> U, std::vector<int> V)
{

    int cnt0 = 0, cnt1 = 0;
    vector < int > idx0, idx1;
    for (int i = 0; i < M; i ++)
    {
        if (U[i] == 0)
            cnt0 ++, idx0.push_back(i);
        else
            cnt1 ++, idx1.push_back(i);
    }

    if (cnt0 >= 2 && cnt1 >= 1)
    {    vector < int > path;
    path.push_back(idx0[0]);
    path.push_back(idx1[0]);
    path.push_back(idx0[1]);
    path.push_back(idx0[0]);
    path.push_back(idx1[0]);
    path.push_back(idx0[1]);
        return path;
    }
    return false;
}

• Subtask 1: 5 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45