//#include "festival.h" #include<bits/stdc++.h> using namespace std; #define pb push_back #define ff first #define ss second std::vector<int> max_coupons(int A, std::vector<int> P, std::vector<int> T) { int N=P.size(); vector<vector<pair<int,int>>> v(5,vector<pair<int,int>>(N+5)); for(int i=0;i<N;i++){ v[T[i]].pb({P[i],i}); } for(int i=1;i<=4;i++){ sort(v[i].begin(),v[i].end()); } vector<int>ans; vector<int>idx(5); bool u=1; while(u){ bool h=0; for(int i=4;i>=1;i--){ if(idx[i]==v[idx[i]].size())continue; if(v[i][idx[i]].ff<=A){ A-=v[i][idx[i]].ff; A*=i; ans.pb(v[idx[i]].ss); idx[i]++; h=1; break; } } u=h; } return ans; } signed main(){ }

festival.cpp: In function 'std::vector<int> max_coupons(int, std::vector<int>, std::vector<int>)':
festival.cpp:6:12: error: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'class std::vector<std::pair<int, int> >'} has no member named 'second'
    6 | #define ss second
      |            ^~~~~~
festival.cpp:27:34: note: in expansion of macro 'ss'
   27 |                 ans.pb(v[idx[i]].ss);
      |                                  ^~