Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:38:26: error: no matching function for call to ‘std::priority_queue<std::pair<long long int, int> >::push(ll, int&)’ q.push(-best[i],i); ^ In file included from /usr/include/c++/6/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:86, from user.cpp:1: /usr/include/c++/6/bits/stl_queue.h:558:7: note: candidate: void std::priority_queue<_Tp, _Sequence, _Compare>::push(const value_type&) [with _Tp = std::pair<long long int, int>; _Sequence = std::vector<std::pair<long long int, int>, std::allocator<std::pair<long long int, int> > >; _Compare = std::less<std::pair<long long int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<long long int, int>] push(const value_type& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:558:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/6/bits/stl_queue.h:566:7: note: candidate: void std::priority_queue<_Tp, _Sequence, _Compare>::push(std::priority_queue<_Tp, _Sequence, _Compare>::value_type&&) [with _Tp = std::pair<long long int, int>; _Sequence = std::vector<std::pair<long long int, int>, std::allocator<std::pair<long long int, int> > >; _Compare = std::less<std::pair<long long int, int> >; std::priority_queue<_Tp, _Sequence, _Compare>::value_type = std::pair<long long int, int>] push(value_type&& __x) ^~~~ /usr/include/c++/6/bits/stl_queue.h:566:7: note: candidate expects 1 argument, 2 provided user.cpp:50:26: error: expected primary-expression before ‘)’ token if(best[nod]+) ^ user.cpp:51:9: error: expected primary-expression before ‘}’ token } ^ user.cpp:49:17: warning: unused variable ‘nou’ [-Wunused-variable] int nou=it.nod; ^~~