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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.
Scala translation
Duplicate of http://www.codewars.com/kata/vampire-numbers-1. Even though the other kata doesn't state that the numbers will be huge, the current best practice solutions in Haskell, Ruby and Python would work for your kata aswell (JavaScript won't work due to the 64bit limitation).
Why do you include
None
tests? Is it really common to useNone
as an argument in Python?Hi, I've added a Java translation, if you want to approve it, instructions for the approval process are here.