Eroare de compilare: user.cpp: In function ‘void rezolva()’: user.cpp:47:59: error: conversion from ‘std::unordered_set<Copac*, my_hash>::iterator {aka std::__detail::_Node_iterator<Copac*, true, true>}’ to non-scalar type ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ requested for(unordered_set<Copac*>::iterator it = copaci.begin(); it!=copaci.end(); ++it) ^ user.cpp:47:64: error: no match for ‘operator!=’ (operand types are ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ and ‘std::unordered_set<Copac*, my_hash>::iterator {aka std::__detail::_Node_iterator<Copac*, true, true>}’) for(unordered_set<Copac*>::iterator it = copaci.begin(); it!=copaci.end(); ++it) ^ user.cpp:47:64: note: candidates are: In file included from /usr/include/c++/4.8/bits/stl_algobase.h:64:0, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/queue:60, from user.cpp:3: /usr/include/c++/4.8/bits/stl_pair.h:227:5: note: template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&) operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) ^ /usr/include/c++/4.8/bits/stl_pair.h:227:5: note: template argument deduction/substitution failed: user.cpp:47:77: note: ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ is not derived from ‘const std::pair<_T1, _T2>’ for(unordered_set<Copac*>::iterator it = copaci.begin(); it!=copaci.end(); ++it) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/queue:60, from user.cpp:3: /usr/include/c++/4.8/bits/stl_iterator.h:303:5: note: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&) operator!=(const reverse_iterator<_Iterator>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:303:5: note: template argument deduction/substitution failed: user.cpp:47:77: note: ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for(unordered_set<Copac*>::iterator it = copaci.begin(); it!=copaci.end(); ++it) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/queue:60, from user.cpp:3: /usr/include/c++/4.8/bits/stl_iterator.h:353:5: note: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&) operator!=(const reverse_iterator<_IteratorL>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:353:5: note: template argument deduction/substitution failed: user.cpp:47:77: note: ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for(unordered_set<Copac*>::iterator it = copaci.begin(); it!=copaci.end(); ++it) ^ In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0, from /usr/include/c++/4.8/deque:60, from /usr/include/c++/4.8/queue:60, from user.cpp:3: /usr/include/c++/4.8/bits/stl_iterator.h:1043:5: note: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&) operator!=(const move_iterator<_IteratorL>& __x, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1043:5: note: template argument deduction/substitution failed: user.cpp:47:77: note: ‘std::unordered_set<Copac*>::iterator {aka std::__detail::_Node_iterator<Copac*, true, false>}’ is not derived from ‘const std::move_iterator<_Iterator>’