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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.
Hello, can you tell why you put value as "true" when it passes the test without that value?
I think top votes solution is n^2, not n^n
btw, I love your solution, nlogn is better
I can't believe an n^n solution is considered "best practice"