Compilare: user.cpp: In function ‘int main()’: user.cpp:8:23: warning: unused variable ‘p’ [-Wunused-variable] int d,i,n,a,b,cnt,p,u,m,q,j; ^ user.cpp:8:25: warning: unused variable ‘u’ [-Wunused-variable] int d,i,n,a,b,cnt,p,u,m,q,j; ^ user.cpp:8:27: warning: unused variable ‘m’ [-Wunused-variable] int d,i,n,a,b,cnt,p,u,m,q,j; ^