#include <stdio.h> 

 


void main()

{
    int i,j,n;

  
    printf("enter a number");    
    
    scanf("%d",&n);
    j=1;    

    for (i=1; i<=n; i++)      

        j=j*i;    

    printf("The factorial of %d is %d\n",n,j);  

} 

i think u hav given for c++..........but i got the idea frm that....thanx