Thanks, glad you liked it.

True, depending on the approach it might feel harder than 6kyu.

Thanks! Glad you enjoyed. Good solution btw.

np, glad you enjoyed.

Hi,
I predict what the issue is and based on that I did a minor fix to the tests.
Try it again and if it doesn't work, drop your code in here (and use a spoiler flag) - I'll deal with it in details.
Thx for pointing this out anyways.

Fixed. Should've not used for in ruby - didn't really consider it at that time, but realized now it was a mistake. Guess my approach was too pythonic. Used the more native .each instead.

Anyways, thanks for pointing it out.

Fixed

Approved! Thanks for your contribution;

Approved;

Thanks for the translation!

Glad you enjoyed!

I used to play around with predicting number plates (mathematically) when I was a kid, figured I would bring this idea out "into the world" :)

Thanks!

Yeah, I spent a while on all the comments, wanted to explain the algo, turned out kinda funny after all;

The forked solution is much shorter though;

Thanks!

Glad you like it;

3xThanks