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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.
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Nice code. Just have to separate with spaces for readability. :)
not readable. :P
What is true time complexity for this approach? I believe filter in js is O(n), n being array size(or in this case text input length). And
indexOforlastIndexOfis O(n). So would it be fair to say that this approach has O(2 *(n^2)) or O(n^2) time complexity?