Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:25:56: error: conversion from ‘std::unordered_map<short int, short int>::iterator {aka std::__detail::_Node_iterator<std::pair<const short int, short int>, false, false>}’ to non-scalar type ‘std::unordered_map<int, int>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, int>, false, false>}’ requested for (unordered_map <int, int>::iterator it = mp.begin(); it != mp.end(); it++) ^ user.cpp:25:62: error: no match for ‘operator!=’ (operand types are ‘std::unordered_map<int, int>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, int>, false, false>}’ and ‘std::unordered_map<short int, short int>::iterator {aka std::__detail::_Node_iterator<std::pair<const short int, short int>, false, false>}’) for (unordered_map <int, int>::iterator it = mp.begin(); it != mp.end(); it++) ^ user.cpp:25:62: note: candidates are: In file included from /usr/local/include/c++/4.8.0/utility:70:0, from /usr/local/include/c++/4.8.0/unordered_map:38, from user.cpp:1: /usr/local/include/c++/4.8.0/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/local/include/c++/4.8.0/bits/stl_pair.h:227:5: note: template argument deduction/substitution failed: user.cpp:25:72: note: ‘std::unordered_map<int, int>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, int>, false, false>}’ is not derived from ‘const std::pair<_T1, _T2>’ for (unordered_map <int, int>::iterator it = mp.begin(); it != mp.end(); it++) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:67:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/string:40, from /usr/local/include/c++/4.8.0/stdexcept:39, from /usr/local/include/c++/4.8.0/array:38, from /usr/local/include/c++/4.8.0/tuple:39, from /usr/local/include/c++/4.8.0/unordered_map:41, from user.cpp:1: /usr/local/include/c++/4.8.0/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/local/include/c++/4.8.0/bits/stl_iterator.h:303:5: note: template argument deduction/substitution failed: user.cpp:25:72: note: ‘std::unordered_map<int, int>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, int>, false, false>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for (unordered_map <int, int>::iterator it = mp.begin(); it != mp.end(); it++) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:67:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39, from /usr/local/include/c++/4.8.0/string:40, from /usr/local/include/c++/4.8.0/stdexcept:39, from /usr/local/include/c++/4.8.0/array:38, from /usr/local/include/c++/4.8.0/tuple:39, from /usr/local/include/c++/4.8.0/unordered_map:41, from user.cpp:1: /usr/local/include/c++/4.8.0/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/local/include/c++/4.8.0/bits/stl_iterator.h:353:5: note: template argument deduction/substitution failed: user.cpp:25:72: note: ‘std::unordered_map<int, int>::iterator {aka std::__detail::_Node_iterator<std::pair<const int, int>, false, false>}’ is not derived from ‘const std::reverse_iterator<_Iterator>’ for (unordered_map <int, int>::iterator it = mp.begin(); it != mp.end(); it++) ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algobase.h:67:0, from /usr/local/include/c++/4.8.0/bits/char_traits.h:39,