Submission #927559

#	Time	Username	Problem	Language	Result	Execution time	Memory
927559		aykhn	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	6 ms	600 KiB

longesttrip

#include <bits/stdc++.h>
#include "longesttrip.h"

using namespace std;

vector<int> longest_trip(int n, int d)
{
    vector<int> used(n, 0);
    deque<int> dq;
    used[0] = 1;
    dq.push_back(0);
    if (are_connected({0}, {1})) dq.push_back(1), used[1] = 1;
    else dq.push_back(2), used[2] = 1;
    for (int i = 0; i < n; i++)
    {
        if (used[i]) continue;
        if (are_connected({dq.back()}, {i})) dq.push_back(i);
        else dq.push_front(i);
        used[i] = 1;
    }
    vector<int> res;
    while (!dq.empty()) res.push_back(dq.front()), dq.pop_front();
    return res;
}

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