Submission #853201

#	Time	Username	Problem	Language	Result	Execution time	Memory
853201		Ludissey	Longest Trip (IOI23_longesttrip)	C++17	5 / 100	769 ms	596 KiB

longesttrip

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

std::vector<int> longest_trip(int n, int d)
{
    vector<pair<int,int>> disc;
    for (int i = 0; i < n-1; i++) {
        for (int j = i+1; j < n; j++)
        {
            if(!are_connected({i}, {j})){
                disc.push_back({i,j});
                break;
            }
        }
    }
    vector<bool> rem(n);
    vector<int> path(disc.size()*2);
    int mid=disc.size();
    for (int i = 0; i < (int)disc.size(); i++)
    {
        path[i]=disc[i].first;
        path[i+mid]=disc[i].second;
        rem[disc[i].first]=true;
        rem[disc[i].second]=true;
    }
    for (int i = 0; i < n; i++) {
        if(!rem[i]) path.push_back(i);
    }
    return path;
}

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