Submission #839730

#	Time	Username	Problem	Language	Result	Execution time	Memory
839730		model_code	Longest Trip (IOI23_longesttrip)	C++17	0 / 100	983 ms	260 KiB

longesttrip

// incorrect/sol_birka0_pv_D1Half_rand.cpp

#include "longesttrip.h"

#include <algorithm>
#include <random>

using namespace std;

random_device rd;
mt19937 g(rd());

vector<int> longest_trip(int N, int /*D*/)
{
    vector<int> t;
    for (int i = 0; i < N; ++i)
    {
        t.push_back(i);
    }
    bool ok = false;
    while (!ok)
    {
        shuffle(t.begin(), t.end(), g);
        ok = true;
        for (int i = 0; i + 1 < (N + 1) / 2; ++i)
        {
            if (!are_connected({t[i]}, {t[i + 1]}))
            {
                ok = false;
                break;
            }
        }
    }

    return vector<int>(t.begin(), t.begin() + (N + 1) / 2);
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60