Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15: error: invalid conversion from ‘char’ to ‘char*’ user.cpp:15: error: initializing argument 1 of ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(_CharT*, std::streamsize) [with _CharT = char, _Traits = std::char_traits<char>]’ user.cpp:30: error: invalid types ‘char[long long int]’ for array subscript user.cpp:32: error: invalid types ‘char[long long int]’ for array subscript