42-Paris/C-Algorithmics-Fundamentals
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Exos

Browse Source
This commit is contained in:
lclerel- lclerel-
2026-03-09 11:08:19 +01:00
commit b54514af5c
5 changed files with 391 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
ex1/ft_recursive_factorial.c Normal file
View File

@@ -0,0 +1,78 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_recursive_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 09:57:06 by lclerel- #+# #+# */
/* Updated: 2026/03/09 10:06:20 by lclerel- ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_putnbr(int nb)
{
char value;
if (nb == -2147483648)
{
write(1, "-2147483648", 11);
return ;
}
if (nb < 0)
{
write(1, "-", 1);
nb = -nb;
}
if (nb > 9)
{
ft_putnbr(nb / 10);
}
value = nb % 10 + '0';
write(1, &value, 1);
}
int ft_recursive_factorial(int nb)
{
if (nb < 0)
return (0);
if (nb == 0 || nb == 1)
return (1);
return (nb * ft_recursive_factorial(nb -1));
}
/*int main(void)
{
int nb;
write(1, "Test avec factoriel de 5:", 25);
write(1, "\n", 1);
nb = ft_recursive_factorial(5);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "Test avec factoriel de 10:", 26);
write(1, "\n", 1);
nb = ft_recursive_factorial(10);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "Test avec factoriel de 20:", 26);
write(1, "\n", 1);
nb = ft_recursive_factorial(20);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "(20 depasse l'int limit, resultat negatif)", 42);
write(1, "\n", 1);
write(1, "Test avec factoriel de 0:", 25);
write(1, "\n", 1);
nb = ft_recursive_factorial(0);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "Test avec aucune factoriel:", 27);
write(1, "\n", 1);
nb = ft_recursive_factorial(-14);
ft_putnbr(nb);
write(1, "\n", 1);
return (0);
}*/