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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.
If you use an O(log(n)) algorithm, you can even handle the case where n is three million.
So there is no need to decrease the max number since the purpose of this kata is to tell you that O(log(n)) algorithm.