Compilare: user.cpp: In function ‘int main()’: user.cpp:8:24: warning: unused variable ‘dif’ [-Wunused-variable] int n,q,i,prim,x,y,dif,cnt=0; ^ user.cpp:8:28: warning: unused variable ‘cnt’ [-Wunused-variable] int n,q,i,prim,x,y,dif,cnt=0; ^