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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.
My bad! Edited.
The function returns -1 for such scenario, as per the kata description.
The third condition is: Float parameter "window" must be less than h.
If all three conditions are fulfilled, return a positive integer, otherwise return -1.
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Is there a reason to use the global flag in the regular expression considering it's applied to individual characters?
The variable names 'evens' and 'odds' seem to have been mixed up: the 'evens' array contains odd numbers and vice versa.