79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_recursive_factorial.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2026/03/09 09:57:06 by lclerel- #+# #+# */
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/* Updated: 2026/03/09 10:06:20 by lclerel- ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <unistd.h>
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void ft_putnbr(int nb)
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{
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char value;
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if (nb == -2147483648)
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{
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write(1, "-2147483648", 11);
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return ;
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}
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if (nb < 0)
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{
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write(1, "-", 1);
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nb = -nb;
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}
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if (nb > 9)
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{
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ft_putnbr(nb / 10);
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}
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value = nb % 10 + '0';
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write(1, &value, 1);
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}
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int ft_recursive_factorial(int nb)
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{
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if (nb < 0)
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return (0);
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if (nb == 0 || nb == 1)
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return (1);
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return (nb * ft_recursive_factorial(nb -1));
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}
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/*int main(void)
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{
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int nb;
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write(1, "Test avec factoriel de 5:", 25);
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write(1, "\n", 1);
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nb = ft_recursive_factorial(5);
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ft_putnbr(nb);
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write(1, "\n", 1);
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write(1, "Test avec factoriel de 10:", 26);
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write(1, "\n", 1);
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nb = ft_recursive_factorial(10);
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ft_putnbr(nb);
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write(1, "\n", 1);
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write(1, "Test avec factoriel de 20:", 26);
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write(1, "\n", 1);
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nb = ft_recursive_factorial(20);
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ft_putnbr(nb);
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write(1, "\n", 1);
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write(1, "(20 depasse l'int limit, resultat negatif)", 42);
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write(1, "\n", 1);
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write(1, "Test avec factoriel de 0:", 25);
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write(1, "\n", 1);
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nb = ft_recursive_factorial(0);
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ft_putnbr(nb);
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write(1, "\n", 1);
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write(1, "Test avec aucune factoriel:", 27);
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write(1, "\n", 1);
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nb = ft_recursive_factorial(-14);
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ft_putnbr(nb);
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write(1, "\n", 1);
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return (0);
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}*/
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