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

void	convert_nb(char nb1, char nb1_10, char nb2, char nb2_10)
{
	char	r_nb1;
	char	r_nb1_10;
	char	r_nb2;
	char	r_nb2_10;

	r_nb1 = nb1 + 48;
	r_nb1_10 = nb1_10 + 48;
	r_nb2 = nb2 + 48;
	r_nb2_10 = nb2_10 + 48;
	write(1, &r_nb2_10, 1);
	write(1, &r_nb2, 1);
	write(1, " ", 1);
	write(1, &r_nb1_10, 1);
	write(1, &r_nb1, 1);
}

void	get_nb(char a, char b)
{
	char	nb1;
	char	nb2;
	char	nb1_10;
	char	nb2_10;

	nb1 = a % 10;
	nb2 = b % 10;
	nb1_10 = a / 10;
	nb2_10 = b / 10;
	convert_nb(nb1, nb1_10, nb2, nb2_10);
}

void	ft_print_comb2(void)
{
	char	nb1;
	char	nb2;

	nb1 = 0;
	nb2 = 0;
	while (nb2 <= 98)
	{
		nb1 = nb2 + 1;
		while (nb1 <= 99)
		{
			get_nb(nb1, nb2);
			nb1++;
			if (nb2 < 98 || nb1 < 99)
			{
				write(1, ", ", 2);
			}
		}
		nb2++;
	}
}