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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.
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Hi! I clearly mentioned it in the description, "Ensure the age ranges include the entire span (e.g., up to but not including 21 years for the 18-20 bracket)." And the test that you mentioned checks exactly it: that person who is 40.5 would be a part of -40 bracket
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Not a kata issue ! The first solution does not pass because it returns the largest number in the array regardless of the sorting criteria. The second solution is correct and passes all the time.
i don't think regexp should be 8kyu
Read the description again.
Fixed
Changed.
8388608 is 223 Not a kata issue.