How to reset counter in loop

Question

Here is my code

        int i = 0;
        while (i < 10)
        {
            i++;
            i = i % 10;
        }

The above code resets

Answer 1

Your first loop iterates over the numbers 0..9. You can make your code iterate over 9..0 in the same way:

int i = 10;
while (i > -1)
{
    i--;
    i = i % 10;
}