Compilare: user.cpp: In function ‘int calculeaza()’: user.cpp:14: warning: unused variable ‘j’ user.cpp: In function ‘int main()’: user.cpp:44: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:29: warning: unused variable ‘j’ user.cpp: In function ‘int calculeaza()’: user.cpp:25: warning: control reaches end of non-void function