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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.
OCaml translation
Java:
No random tests in CS
I don't understand how something like this solution https://www.codewars.com/kata/reviews/538951ecdaea7dc4d2000295/groups/5ac3f5391657367393000031 works.
Are there test missing for deep but balenced trees?