#include "longesttrip.h" #include <bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair #define pii pair<int, int> #define fi first #define se second vector<int> longest_trip(int n, int d){ if (d==3){ vector<int> ans; for (int i=0; i<n; ++i)ans.pb(i); return ans; } else if (d==2){ deque<int> ans(1, 0); int done=1; if (are_connected({0}, {1}))ans.pb(1); else ans.pb(2), done=2; for (int i=1; i<n; ++i)if (i!=done){ if (are_connected({i}, {ans.back()}))ans.pb(i); else ans.push_front(i); } return ans; } }

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:26:24: error: could not convert 'ans' from 'std::deque<int>' to 'std::vector<int>'
   26 |                 return ans;
      |                        ^~~
      |                        |
      |                        std::deque<int>