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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.
looks ways better! well done
I did the problem a while ago I will refactor my code tomorrow and I will send it to you.
Yeah you are probably right
Is it really necessary to produce an space complexity of O(n) by using a List just for the purpose of listing the content? O(1) by using an int for the count would totally fullfill the purpose.