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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.
zaebis
I was very surprised when I found out that most people solved it the same way I did.
This is just the fastest implementation. And it takes up the least amount of memory.
Extra check of the first element
Look at my code, pls