Submission #1078444

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078444		vjudge1	Longest Trip (IOI23_longesttrip)	C++17	Compilation error	0 ms	0 KiB

longesttrip

#include "longesttrip.h"
#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0);    cin.tie(0);
#define vi vector<int>
#define ll long long
#define ff first
#define ss second
using namespace std;
const int MAX=3e3+5;

vector<int> longest_trip(int n,int d){
    vector<int>a;
    a.push_back(0);
    vector<int>b;
    b.push_back(1);
    int x=0;
    int y=0;
    deque<int>ans;
    if(are_connected(a,b)){
        x=0;
        y=1;
        ans.push_back(0);
        ans.push_back(1);
    }
    else{
        x=0;
        y=2;
        ans.push_back(0);
        ans.push_back(1);
        ans.push_back(2);
    }
    for(int i=2;i<n;i++){
        if(ans.size()==3 and i==2)   continue;
        if(are_connected(y,i)){
            ans.push_back(i);
        }
        else{
            ans.push_front(i);
        }
    }
    vector<int>v;
    for(auto it:ans){
        v.push_back(it);
    }
    return v;
}

Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:34:26: error: could not convert 'y' from 'int' to 'std::vector<int>'
   34 |         if(are_connected(y,i)){
      |                          ^
      |                          |
      |                          int