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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.
Haskell version is broken - there's a case where n=99999 (n is supposed to be 20000 max).
I think there's a bug with the random tests in Haskell. The expected value and actual value that it gives seem to be flipped.
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I liked the problem, but it should require a DP solution IMO.
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