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42-1st-piscine/ended/C05/ex04/ft_fibonacci.c

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2023-08-06 20:12:38 +02:00
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_fibonacci.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ajoly <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/07/27 18:51:47 by ajoly #+# #+# */
/* Updated: 2022/07/27 18:51:48 by ajoly ### ########.fr */
/* */
/* ************************************************************************** */
int ft_fibonacci(int index)
{
if (index < 0)
return (-1);
if (index == 0)
return (0);
if (index == 1)
return (1);
return (ft_fibonacci(index - 1) + ft_fibonacci(index - 2));
}