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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.
Hi,
Your code just isn't efficient enough. I checked a bunch of solutions and they still pass the tests without problems in java (some in less than 3s).
Minimum would be the language you attempt, and what is the actual problem which you think is a bug in the kata.
Closing as per not enough info to address the issue.