Compilare: user.cpp: In function ‘int main()’: user.cpp:10:9: warning: unused variable ‘i’ [-Wunused-variable] int i,s=0,d,n,x=0; ^ user.cpp:10:11: warning: unused variable ‘s’ [-Wunused-variable] int i,s=0,d,n,x=0; ^ user.cpp:10:15: warning: unused variable ‘d’ [-Wunused-variable] int i,s=0,d,n,x=0; ^ user.cpp:10:19: warning: unused variable ‘x’ [-Wunused-variable] int i,s=0,d,n,x=0; ^