Eroare de compilare: main.cpp: In function 'void marg()': main.cpp:68:20: error: no matching function for call to 'std::priority_queue<str>::pop(int&)' pq.pop(p[v.x][v.y]); ^ In file included from /usr/include/c++/6/queue:64:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:86, from main.cpp:1: /usr/include/c++/6/bits/stl_queue.h:593:7: note: candidate: void std::priority_queue<_Tp, _Sequence, _Compare>::pop() [with _Tp = str; _Sequence = std::vector<str, std::allocator<str> >; _Compare = std::less<str>] pop() ^~~ /usr/include/c++/6/bits/stl_queue.h:593:7: note: candidate expects 0 arguments, 1 provided Non zero exit status: 1