Eroare de compilare: /usr/include/c++/4.2/ext/hashtable.h: In member function 'size_t __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::_M_bkt_num_key(const _Key&, size_t) const [with _Val = std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int>, _Key = std::pair<std::vector<char, std::allocator<char> >, long long int>, _HashFcn = __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _ExtractKey = std::_Select1st<std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int> >, _EqualKey = std::equal_to<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _Alloc = std::allocator<long long int>]': /usr/include/c++/4.2/ext/hashtable.h:599: instantiated from 'size_t __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::_M_bkt_num(const _Val&, size_t) const [with _Val = std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int>, _Key = std::pair<std::vector<char, std::allocator<char> >, long long int>, _HashFcn = __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _ExtractKey = std::_Select1st<std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int> >, _EqualKey = std::equal_to<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _Alloc = std::allocator<long long int>]' /usr/include/c++/4.2/ext/hashtable.h:1006: instantiated from 'void __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::resize(size_t) [with _Val = std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int>, _Key = std::pair<std::vector<char, std::allocator<char> >, long long int>, _HashFcn = __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _ExtractKey = std::_Select1st<std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int> >, _EqualKey = std::equal_to<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _Alloc = std::allocator<long long int>]' /usr/include/c++/4.2/ext/hashtable.h:794: instantiated from 'typename __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::reference __gnu_cxx::hashtable<_Val, _Key, _HashFcn, _ExtractKey, _EqualKey, _Alloc>::find_or_insert(const _Val&) [with _Val = std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int>, _Key = std::pair<std::vector<char, std::allocator<char> >, long long int>, _HashFcn = __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _ExtractKey = std::_Select1st<std::pair<const std::pair<std::vector<char, std::allocator<char> >, long long int>, long long int> >, _EqualKey = std::equal_to<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _Alloc = std::allocator<long long int>]' /usr/include/c++/4.2/ext/hash_map:223: instantiated from '_Tp& __gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqualKey, _Alloc>::operator[](const typename __gnu_cxx::hashtable<std::pair<const _Key, _Tp>, _Key, _HashFn, std::_Select1st<std::pair<const _Key, _Tp> >, _EqualKey, _Alloc>::key_type&) [with _Key = std::pair<std::vector<char, std::allocator<char> >, long long int>, _Tp = long long int, _HashFn = __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _EqualKey = std::equal_to<std::pair<std::vector<char, std::allocator<char> >, long long int> >, _Alloc = std::allocator<long long int>]' user.cpp:23: instantiated from here /usr/include/c++/4.2/ext/hashtable.h:595: error: no match for call to '(const __gnu_cxx::hash<std::pair<std::vector<char, std::allocator<char> >, long long int> >) (const std::pair<std::vector<char, std::allocator<char> >, long long int>&)'