42-archive/42-piscine-c/d04/ex01/ft_recursive_factorial.c
2016-08-25 20:50:28 +02:00

28 lines
1.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_recursive_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/08/04 15:04:45 by jhalford #+# #+# */
/* Updated: 2016/08/05 10:02:08 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
int ft_recursive_factorial(int nb)
{
int f;
if (nb < 0)
return (0);
if (nb == 0)
return (1);
else
{
f = ft_recursive_factorial(nb - 1);
if ((nb * f) / nb != f)
return (0);
return (nb * f);
}
}