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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.
Failed Test 5, 14, and 15. Each one is expecting -1 to be returned. I got 3263 for Test 5, 1 for Test 14, and 9400 for Test 15. If someone that finished and has the test cases can steer my in the right direction I'd appreciate it!
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Inception style conditional operators. Mind blown.