/***************************************************************************
*
* Purpose: generate the factorial of a number by recursion
* Author: M. J. Leslie
* Date: 09-Apr-94
*
***************************************************************************/
#include <stdio.h>
int factorial(int num);
main()
{
int num;
puts ("This program will return the factorial of a number.");
printf("Please enter the number ==> " );
scanf("%d", &num);
printf(" %d! is %d\n",num, factorial(num) );
}
int factorial(int num)
{
int ans=1;
if (num == 1 ) return;
ans = num * factorial(num-1);
return ans;
}
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