#include <unistd.h>
#include <stdio.h>

int	ft_iterative_factorial(int nb)
{
	int	i;
	int	f;

	i = 1;
	f = 1;
	if (nb < 0)
		return (0);
	while (i <= nb)
	{
		f = i * f;
		i++;
	}
	return (f);
}

int	main(void)
{
	printf("%d", ft_iterative_factorial(5));
	return (0);
}