#Include <iostream.h>
#Include <conio.h>
long faktorial (long a)
{
if (a>1)
return (a*faktorial (a-1));
else
return (1);
}
int main()
{
long 1;
cout<<"Masukkan bilangan: ";
cin>>1;
cout<<1<<"! = "<<faktorial (1)
getch()
return 0;
}