Compilare: user.cpp: In function 'void afisaree(int)': user.cpp:30: warning: left-hand operand of comma has no effect user.cpp:43: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void citire()': user.cpp:63: warning: format '%d' expects type 'int*', but argument 2 has type 'unsigned int' user.cpp:79: warning: comparison between signed and unsigned integer expressions