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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.
Sorry guys! I didn't know. Should have checked for that ahead of time. Cheers!
I'm guessing it automatically fails if it takes longer than 7000ms to finish. How can we improve the efficiency of the permutation method in ruby?
Why would we need to look for spaces
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