/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_iterative_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/14 15:31:39 by lyao-che #+# #+# */
/* Updated: 2022/04/15 08:05:59 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_iterative_factorial(int nb)
{
int factorial;
factorial = 1;
if (nb < 0)
return (0);
else if (nb <= 1)
return (1);
else
{
while (nb > 0)
factorial *= nb--;
}
return (factorial);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/14 15:42:46 by lyao-che #+# #+# */
/* Updated: 2022/04/14 15:44:09 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_iterative_factorial(int nb);
int main(void)
{
int factorial = ft_iterative_factorial(6);
printf("%d", factorial);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_recursive_factorial.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/15 07:30:39 by lyao-che #+# #+# */
/* Updated: 2022/04/15 08:04:27 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_recursive_factorial(int nb)
{
if (nb < 0)
return (0);
else if (nb <= 1)
return (1);
else
return (nb * ft_recursive_factorial(nb - 1));
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/15 07:37:24 by lyao-che #+# #+# */
/* Updated: 2022/04/15 08:05:09 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_recursive_factorial(int nb);
int main(void)
{
int ans = ft_recursive_factorial(6);
printf("%d\n",ans);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/16 08:02:53 by lyao-che #+# #+# */
/* Updated: 2022/04/16 08:22:39 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_iterative_power(int nb, int power);
int main(void)
{
int ans1 = ft_iterative_power(2,3);
int ans2 = ft_iterative_power(2,-1);
int ans3 = ft_iterative_power(2,0);
int ans4 = ft_iterative_power(2,1);
printf("2 power of 3: %d\n",ans1);
printf("2 power of -1: %d\n",ans2);
printf("2 power of 0: %d\n",ans3);
printf("2 power of 1: %d\n",ans4);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_iterative_power.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/16 08:00:21 by lyao-che #+# #+# */
/* Updated: 2022/04/16 08:21:20 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_iterative_power(int nb, int power)
{
int temp;
temp = nb;
if (power < 0)
return (0);
else
{
if (power == 0)
return (1);
while (power > 1)
{
temp *= nb;
power--;
}
}
return (temp);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/16 08:38:29 by lyao-che #+# #+# */
/* Updated: 2022/04/16 08:40:12 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_recursive_power(int nb, int power);
int main(void)
{
int ans1 = ft_recursive_power(2,3);
int ans2 = ft_recursive_power(2,-1);
int ans3 = ft_recursive_power(2,0);
int ans4 = ft_recursive_power(2,1);
printf("2 power of 3: %d\n",ans1);
printf("2 power of -1: %d\n",ans2);
printf("2 power of 0: %d\n",ans3);
printf("2 power of 1: %d\n",ans4);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_recursive_power.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/16 08:34:32 by lyao-che #+# #+# */
/* Updated: 2022/04/16 08:54:23 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_recursive_power(int nb, int power)
{
int temp;
temp = nb;
if (power < 0)
return (0);
else if (power == 0)
return (1);
else if (power > 1)
return (temp * ft_recursive_power(temp, power - 1));
else
return (temp);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/17 16:21:36 by lyao-che #+# #+# */
/* Updated: 2022/04/17 16:25:03 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_fibonacci(int index);
int main(void)
{
int fibonacci = ft_fibonacci(6);
printf("%d\n", fibonacci);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_fibonacci.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/17 14:38:44 by lyao-che #+# #+# */
/* Updated: 2022/04/17 16:24:30 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_fibonacci(int index)
{
if (index < 0)
return (-1);
else if (index == 0)
return (0);
else if (index == 1)
return (1);
else if (index > 0)
return (ft_fibonacci(index - 1) + ft_fibonacci(index - 2));
else
return (-1);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/18 07:35:40 by lyao-che #+# #+# */
/* Updated: 2022/04/20 11:20:58 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_sqrt(int nb);
int main(void)
{
int negative = ft_sqrt(-1);
int positive = ft_sqrt(1);
int rational_num = ft_sqrt(4);
int irrational_num = ft_sqrt(2);
int max_num = ft_sqrt(46340);
printf("negative num: %d\n", negative);
printf("positive num: %d\n", positive);
printf("rational num: %d\n", rational_num);
printf("irrational num: %d\n", irrational_num);
printf("Maximum num: %d\n", max_num);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_sqrt.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/18 07:24:41 by lyao-che #+# #+# */
/* Updated: 2022/04/20 11:16:28 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_sqrt(int nb)
{
int c;
c = 1;
if (nb == 0)
return (0);
while ((c * c) < nb && nb < 46341)
c++;
if ((c * c) == nb)
return (c);
else
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/18 08:03:43 by lyao-che #+# #+# */
/* Updated: 2022/04/18 08:08:30 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
int ft_is_prime(int nb);
int main(void)
{
int zero = ft_is_prime(0);
int negative = ft_is_prime(-1);
int isprime = ft_is_prime(2);
int isnotprime = ft_is_prime(4);
printf("zero: %d\n",zero);
printf("negative: %d\n",negative);
printf("is prime: %d\n",isprime);
printf("is not prime: %d\n",isnotprime);
return (0);
}/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_is_prime.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lyao-che <lyao-che@student.42kl.edu.my> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/04/18 08:00:52 by lyao-che #+# #+# */
/* Updated: 2022/04/18 08:10:22 by lyao-che ### ########.fr */
/* */
/* ************************************************************************** */
int ft_is_prime(int nb)
{
int i;
i = 2;
if (nb <= 1)
return (0);
while (i <= (nb / i))
{
if (nb % i == 0)
return (0);
i++;
}
return (1);
}