Program to print Factorial of a number

//Factorial

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

long int num,fact;

fact=1;

cout<<"ENTER A NUMBER:";

cin>>num;

for(int i=1;i<=num;i++)

fact=fact*i;

cout<<"FACTIRIAL OF "<<num<<"="<<fact;

getch();

}