Submission #839738

#	Time	Username	Problem	Language	Result	Execution time	Memory
839738		model_code	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	12 ms	296 KiB

longesttrip

// incorrect/sol_na_D2.cpp

#include "longesttrip.h"
#include <deque>

std::vector<int> longest_trip(int N, int D)
{
    std::deque<int> res;
    int nxt;
    if (are_connected({0}, {1}))
    {
        res = {0, 1};
        nxt = 2;
    }
    else
    {
        res = {0, 2, 1};
        nxt = 3;
    }

    while (nxt < N)
    {
        std::vector<int> A = {res.back()}, B = {nxt};
        if (are_connected(A, B))
        {
            res.push_back(nxt);
        }
        else
        {
            res.push_front(nxt);
        }

        nxt++;
    }

    std::vector<int> ans;
    for (auto i : res)
        ans.push_back(i);

    return ans;
}

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