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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.
Try more edge cases, like 0.145 which should produce 0.15, but fails and returns 0.14 (I checked in Chrome concole).
For
n = 0code will return 8, but it should be 4.Also as far as I see you do not need to keep all values, you need only previous two.
Result for
n == 0 || n == 1is wrong, it should be 4.You also do not need
Aggregate, you could calculate sum withinforcycle.