Compilare: user.cpp: In member function ‘void A::Read()’: user.cpp:36: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result user.cpp: In member function ‘int A::NrLitere()’: user.cpp:42: warning: NULL used in arithmetic user.cpp: In member function ‘int A::NrCuvinte()’: user.cpp:51: warning: NULL used in arithmetic user.cpp:59: warning: NULL used in arithmetic