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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.
Nice kata, but a bit overrated in my humble opinion.
It's a pure math, not testing your programming skills, so the solution is really simple.
Very nice kata to solve!
Super easy kata. Should be an 8 kyu
Is this solution more memory demanding than 'slice'?