Compilare: user.cpp: In function 'void afis()': user.cpp:72: warning: comparison between signed and unsigned integer expressions user.cpp:74: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int' user.cpp:74: warning: format '%d' expects type 'int', but argument 3 has type 'long unsigned int' user.cpp: In function 'int rezolvare2()': user.cpp:107: warning: unused variable 'j'