Compilare: user.cpp: In function ‘int main()’: user.cpp:12:12: warning: unused variable ‘y’ [-Wunused-variable] {int a,b,x,y,poz,dif,div; ^ user.cpp:12:14: warning: unused variable ‘poz’ [-Wunused-variable] {int a,b,x,y,poz,dif,div; ^ user.cpp:12:18: warning: unused variable ‘dif’ [-Wunused-variable] {int a,b,x,y,poz,dif,div; ^ user.cpp:12:22: warning: unused variable ‘div’ [-Wunused-variable] {int a,b,x,y,poz,dif,div; ^ user.cpp:13:8: warning: unused variable ‘d’ [-Wunused-variable] double d=1; ^