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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.
I don't know if you've solved it yet, but you just have to throw an exception, any.
The Interpreter can continue after that.
same............. and OPs code is not some unreadable single line monolith, it's very elegant even.
I've learned something about regex though, thx op
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No, time complexity is still
O(n * (n + n + n)) = O(n²).