#include <unistd.h>

void    ft_print_comb2(void)
{
    int     nb1;
    int     nb2;
    char    nb1_str[3];
    char    nb2_str[3];

    nb1 = 0;
    while (nb1 <= 98)
    {
        nb2 = nb1 + 1; 
        while (nb2 <= 99)
        {       
            if (nb1 < nb2)
            {
                nb1_str[0] = (nb1 / 10) + '0';
                nb1_str[1] = (nb1 % 10) + '0';
                nb1_str[2] = 0; // Null-terminator for the string, not strictly needed here as we're writing only 2 chars
                nb2_str[0] = (nb2 / 10) + '0';
                nb2_str[1] = (nb2 % 10) + '0';
                nb2_str[2] = 0; // Null-terminator for the string, not strictly needed here as we're writing only 2 chars
                write(1, nb1_str, 2); 
                write(1, " ", 1); 
                write(1, nb2_str, 2);
                if (nb1 != 98)
                    write(1, ", ", 2);
            }               
            nb2++;
        }
        nb1++;
    }
}
int main(void)
{
    ft_print_comb2();
    return (0);
}