Submission #1016989

#	Time	Username	Problem	Language	Result	Execution time	Memory
1016989		tmarcinkevicius	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	8 ms	452 KiB

longesttrip

#include<bits/stdc++.h>
#include "longesttrip.h"
using namespace std;

vector<int> longest_trip(int N, int D)
{
    deque<int> res;
    set<int> left;
    for (int i = 0; i < N; i++)
    {
        left.insert(i);
    }

    if (are_connected({0}, {1}))
    {
        left.erase(0);
        left.erase(1);
        res.push_back(0);
        res.push_back(1);
    }
    else if (are_connected({0}, {2}))
    {
        left.erase(0);
        left.erase(2);
        res.push_back(0);
        res.push_back(2);
    }
    else
    {
        left.erase(1);
        left.erase(2);
        res.push_back(1);
        res.push_back(2);
    }

    for (int i : left)
    {
        if (are_connected({i}, {res.front()}))
        {
            res.push_front(i);
        }
        else
        {
            res.push_back(i);
        }
    }

    vector<int> ans;
    while (!res.empty())
    {
        ans.push_back(res.front());
        res.pop_front();
    }

    return ans;
}

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