Submission #1233246

#	Time	Username	Problem	Language	Result	Execution time	Memory
1233246		Ghulam_Junaid	Longest Trip (IOI23_longesttrip)	C++20	15 / 100	3 ms	416 KiB

longesttrip

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

const int N = 256;
int n, d;

vector<int> longest_trip(int nn, int dd){
    n = nn, d = dd;
    vector<int> res;
    deque<int> dq;
    if (are_connected({0}, {1})){
        dq.push_back(0), dq.push_back(1);
        for (int i = 2; i < n; i ++){
            if (are_connected({dq.back()}, {i}))
                dq.push_back(i);
            else
                dq.push_front(i);
        }
        for (int x : dq)
            res.push_back(x);
        return res;
    }
    dq.push_back(0); dq.push_back(2); dq.push_back(1);
    for (int i = 3; i < n; i ++){
        if (are_connected({dq.back()}, {i}))
            dq.push_back(i);
        else
            dq.push_front(i);
    }
    for (int x : dq)
        res.push_back(x);
    return res;
}

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