Compilare: user.cpp: In function ‘int main()’: user.cpp:14:8: warning: unused variable ‘j’ [-Wunused-variable] int i,j,a,b,c,tip,d,ff,tf; ^ user.cpp: In function ‘int afla(int, int)’: user.cpp:62:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^