/**********************************************/
/* Computes n! by the recurrence n!=n*(n-1)!  */
/**********************************************/

#include <math.h>
#include <stdio.h>
int main()
{   int i, n=20, nfact=1;
    for (i=1; i<=n; i++)
	{ nfact*=i; printf("\n n=%d  n!=%d\n",i,nfact);    
    }
}