Eroare de compilare: user.cpp:4:20: error: fstream.h: No such file or directory user.cpp: In member function ‘int Functie::functie(std::string&)’: user.cpp:97: warning: comparison between signed and unsigned integer expressions user.cpp: In member function ‘void Hash<type>::rezolvare()’: user.cpp:264: error: no match for ‘operator>>’ in ‘f >> n’ user.cpp:270: error: no match for ‘operator>>’ in ‘f >> op’ user.cpp: In member function ‘void Hash<type>::rezolvare() [with type = unsigned int]’: user.cpp:289: instantiated from here user.cpp:261: error: ‘f’ has incomplete type user.cpp:262: error: ‘g’ has incomplete type