Compilare: user.cpp: In function ‘int main()’: user.cpp:29:13: warning: unused variable ‘i’ [-Wunused-variable] int i=1; ^ user.cpp:18:17: warning: unused variable ‘x’ [-Wunused-variable] int t,n,s=0,x,y,dif,vx,vy,miin; ^ user.cpp:18:19: warning: unused variable ‘y’ [-Wunused-variable] int t,n,s=0,x,y,dif,vx,vy,miin; ^ user.cpp:18:21: warning: unused variable ‘dif’ [-Wunused-variable] int t,n,s=0,x,y,dif,vx,vy,miin; ^ user.cpp:18:31: warning: unused variable ‘miin’ [-Wunused-variable] int t,n,s=0,x,y,dif,vx,vy,miin; ^