Submission #928419

#	Time	Username	Problem	Language	Result	Execution time	Memory
928419		n1k	Longest Trip (IOI23_longesttrip)	C++17	30 / 100	9 ms	668 KiB

longesttrip

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

using namespace std;

/*

OBSERVE:

path meargen

hinten und vorne dazu

* - * *

* - *

*/

std::vector<int> longest_trip(int N, int D){
    // vorraussetzung path[0].end nicht mit path[1].end verbunden
    vector<int> path[2];
    path[0].push_back(0);

    for(int i=1; i<N; i++){
        if(are_connected({*path[0].rbegin()}, {i})){
            path[0].push_back(i);
            if(path[1].size() and are_connected({path[0][path[0].size()-1]}, {path[1][path[1].size()-1]})){
                reverse(path[1].begin(), path[1].end());
                path[0].insert(path[0].end(), path[1].begin(), path[1].end());
                path[1].clear();
            }
        }else{
            path[1].push_back(i);
        }
    }
    if(path[0].size() > path[1].size()){
        return path[0];
    }else{
        return path[1];
    }
}

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