Compilare: user.cpp: In member function ‘comanda max_pq::top()’: user.cpp:95:54: warning: narrowing conversion of ‘(((max_pq*)this)->max_pq::treaba.std::vector<_Tp, _Alloc>::size<std::queue<std::pair<int, int> >, std::allocator<std::queue<std::pair<int, int> > > >() + 4294967295u)’ from ‘std::vector<std::queue<std::pair<int, int> > >::size_type {aka unsigned int}’ to ‘int’ inside { } [-Wnarrowing] return comanda{treaba.back().front(), treaba.size()-1}; } ^