#include <unistd.h>

void ft_putchar(char c)
{
    write(1, &c, 1);
}

void ft_print_comb2(void);

int main()
{
    ft_print_comb2();
    return 0;
}

void ft_print_comb2(void)
{
    int num1, num2;

    for (num1 = 0; num1 <= 98; num1++)
    {
        for (num2 = num1; num2 <= 99; num2++)
        {
            ft_putchar((num1 / 10) + '0');
            ft_putchar((num1 % 10) + '0');
            ft_putchar(' ');
            ft_putchar((num2 / 10) + '0');
            ft_putchar((num2 % 10) + '0');

            if (num1 != 98)
            {
                ft_putchar(',');
                ft_putchar(' ');
            }
        }
    }
}

/*
EXPECTED
00 01, 00 02, 00 03, 00 04, 00 05, ..., 00 99, 01 02, ..., 97 99, 98 99
*/

// 1. FAIL: starts at 00 00 != 00 01
// 2. FAIL: 00 99, 01 01, != 00 99, 01 02
// 3. FAIL: ends on 97 99, 98 9898 99 != 97 99, 98 99