Eroare de compilare: user.cpp:6:13: warning: character constant too long for its type user.cpp:7:13: warning: character constant too long for its type user.cpp: In function ‘int main()’: user.cpp:6: error: invalid conversion from ‘int’ to ‘const char*’ user.cpp:6: error: initializing argument 1 of ‘std::basic_ifstream<_CharT, _Traits>::basic_ifstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>]’ user.cpp:7: error: invalid conversion from ‘int’ to ‘const char*’ user.cpp:7: error: initializing argument 1 of ‘std::basic_ofstream<_CharT, _Traits>::basic_ofstream(const char*, std::_Ios_Openmode) [with _CharT = char, _Traits = std::char_traits<char>]’ user.cpp:8: warning: right-hand operand of comma has no effect