[do0oji]

وهذا هو الكود ->
void main()
{
int num ,i=1;
cout<<"Enter any integer number: ";
cin>>num;
if (num<0)
cout<<"press any key to end programm.....";
if (num=0)
cout<<"the factorial of (0) = 1";
else {for ( ;num > 0 ;num-- )
i*=num;}
cout<<"the factorial = "<<i;

getch();
}