and also the one of 431 other players :-)

I need bleach for my eyes

My solution

Very fun kata!

man, I'm speechless, what a clever solution

yeah i was learning programming 7 years ago and i thought i was being clever 😂

its good practice because n.left or n.right could be falsy values

Great kata.

Nice job! Your code was a sentence and mine was a paragraph. lmao

Great kata, pretty challenging.

When you realize the simple math behind it, it is very simple. I don't like this type of kata, but this was fun.

Fun little kata!

The join() method uses a comma as a separator by default if you don't pass any arguments.