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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.
Your solution does not fail for 1 and 5, it fails for 0 and 0.
For side=0 and volume=0 expected answer is
false, but your solution returnstrue.I will later change error messages so they point out your mistake in a clearer way.
About the other bad kata, did you raise related issues in their discourse and described encountered problems, so we could check them for errors?