Files
C-Algorithmics-Fundamentals/ex2/ft_iterative_power.c
lclerel- lclerel- 9eb566f33b Exos
2026-03-09 12:38:47 +01:00

81 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_iterative_power.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lclerel- <lclerel-@learner.42.tech> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2026/03/09 10:22:48 by lclerel- #+# #+# */
/* Updated: 2026/03/09 12:15:33 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';
}
int ft_iterative_power(int nb, int power)
{
int res;
res = 1;
if (power < 0)
return (0);
if (power == 0)
return (1);
while (power > 0)
{
res = res * nb;
power--;
}
return (res);
}
/*int main(void)
{
int nb;
write(1, "Test avec puissance de 5:", 25);
write(1, "\n", 1);
nb = ft_iterative_power(5, 5);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "Test avec puissance de 10:", 26);
write(1, "\n", 1);
nb = ft_iterative_power(10, 10);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "Test avec puissance de 20:", 26);
write(1, "\n", 1);
nb = ft_iterative_power(20, 20);
ft_putnbr(nb);
write(1, "\n", 1);
write(1, "(20 depasse l'int limit, resultat mis a 0)", 42);
write(1, "\n", 1);
write(1, "Test avec puissance de 0:", 25);
write(1, "\n", 1);
nb = ft_iterative_power(0, 0);
ft_putnbr(nb);
write(1, "\n", 1);
return (0);
}*/