Compilare: user.cpp: In function 'void citire()': user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void afis()': user.cpp:44: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int rezolvare()': user.cpp:63: warning: comparison between signed and unsigned integer expressions user.cpp:67: warning: comparison between signed and unsigned integer expressions user.cpp:77: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int funct(char*, int)': user.cpp:96: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int rezolvare2()': user.cpp:105: warning: comparison between signed and unsigned integer expressions