Eroare de compilare: user.cpp:9:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main() ^ user.cpp: In function ‘int main()’: user.cpp:65:16: error: ‘f.std::basic_ifstream<_CharT, _Traits>::close<char, std::char_traits<char> >’ does not have class type f.close. ^ user.cpp:67:7: error: expected unqualified-id before ‘}’ token } ^ user.cpp:67:7: error: expected ‘;’ before ‘}’ token