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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.
Hi!
Your code is indeed correct to reverse an array but it needs to be slightly more efficient. Your code times out because the array to get reversed has a length of 100000 and it gets reversed 23500 times.