/*Program for evaluation of the factorial of a given integer */
main()
{
 int a,b;
 clrscr();
 printf("\n\t\tThis program will help you to evaluate the factorial");
 printf("\n\t\t              value of a given integer.");
 printf("\n\n\t\t     Enter the number for factorial evaluation : \n\t\t\t\t\t");
 scanf("%d",&a);
 b=fact(a);
 printf("\n\n\n\t\t   The factorial of the given number is : %d.",b);
 getch();
}
/* Function : */
fact(long int p)
{
 int i,j=1;
 for(i=p;i>0;i--)
   j=j*i;
 return(j);
}