Compilare: user.cpp: In function ‘int main()’: user.cpp:53:11: warning: unused variable ‘q’ [-Wunused-variable] int n,q,x,i,j,st,dr,vf=0,in,m,y,a,b; ^ user.cpp:53:17: warning: unused variable ‘j’ [-Wunused-variable] int n,q,x,i,j,st,dr,vf=0,in,m,y,a,b; ^ user.cpp:53:19: warning: unused variable ‘st’ [-Wunused-variable] int n,q,x,i,j,st,dr,vf=0,in,m,y,a,b; ^ user.cpp:53:22: warning: unused variable ‘dr’ [-Wunused-variable] int n,q,x,i,j,st,dr,vf=0,in,m,y,a,b; ^