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42
Correction/d/ex05/ft_sqrt.c
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42
Correction/d/ex05/ft_sqrt.c
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_sqrt.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: lflandri <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/07/20 19:03:04 by lflandri #+# #+# */
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/* Updated: 2022/07/24 15:50:32 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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int ft_sqrt_bis(long int nb, int max, int min)
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{
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long int middle;
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middle = (max - min) / 2 + min;
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if (middle * middle == nb)
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return (middle);
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else if (min + 1 == max)
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return (0);
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else if (middle * middle > nb)
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return (ft_sqrt_bis(nb, middle, min));
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else
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return (ft_sqrt_bis(nb, max, middle));
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}
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int ft_sqrt(int nb)
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{
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if (nb < 0)
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return (0);
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return (ft_sqrt_bis(nb, nb, 0));
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}
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#include <stdio.h>
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#include <stdlib.h>
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int main(int ac, char **av)
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{
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if (ac != 2)
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return (0);
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printf("%d", ft_sqrt(atoi(av[1])));
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}
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