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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.
genius!!!
This is a frustrating kata indeed. And the complexity doesn't come from solving the issue but finding a solution that fits all the guidelines, which aren't discovered until the failed test messages are given.Please consider either mentioning the requisites in the actual problem description or refactoring "Anti-cheat" section.