Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This comment saved me! I was struggling to get why on the random tests even my first instruction was wrong... that's the answer, you don't always start on top floor.
Indeed a basic test like that would help saving some frustration :)
You're doing recursion wrong, that's why your code fails. You need to return the recursive call to your function.