C++ - Factorial

#include<iostream.h>
#include<conio.h>
void main()
{
int bil, n;
long int hasil;
cout<<"Masukkan bilangan n = ";
cin>> n;


hasil=1;
for(bil=n; bil>=1; bil--)
{
hasil=hasil*bil;
}
cout<<"Maka"<<n<<"!= "<<hasil<<endl;
getch();
}




Hasil :