Compilare: user.cpp: In function ‘int calculeaza(int)’: user.cpp:37: warning: comparison between signed and unsigned integer expressions user.cpp:45: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void citire()’: user.cpp:58: warning: unused variable ‘j’ user.cpp: In function ‘void afisare()’: user.cpp:114: warning: unused variable ‘j’ user.cpp: In function ‘void rezolva()’: user.cpp:71: warning: ‘i’ may be used uninitialized in this function