Submission #846512

#	Time	Username	Problem	Language	Result	Execution time	Memory
846512		Trisanu_Das	Longest Trip (IOI23_longesttrip)	C++17	Compilation error	0 ms	0 KiB

longesttrip

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

vector<int> longest_trip(int N, int D){
  vector<int> ans;
  int u = 0; ans.push_back(u);
  while(u < n - 1){
    if(are_connected({u}, {u + 1})) ans.push_back(++u);
    else if(u != n - 2){
      ans.push_back(u + 1); ans.push_back(u + 2); u += 2;
    }else{
      reverse(ans.begin(), ans.end()); ans.push_back(n - 1); u++;
    }
  }
  return ans;
}

Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:8:13: error: 'n' was not declared in this scope
    8 |   while(u < n - 1){
      |             ^