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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.
Damn, this is elegant. It's not particularly efficient, worst case O(n^2) time and O(n) space, but the way you build the interval array is very pretty indeed.
I mean, can't you initialize the variables like a normal person? Each on a separate line?
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