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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.
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Same here. Not sure who voted it 'Best Practices'...
Oh. And here I thought I found a conspiracy ^^'
Maybe a solution in Whitespace is hidden somewhere in here..?
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The C++ version has return type of long on the function, which makes tests fail with overflow issues. IMHO you shouldn't be required (or expected) to change types in provided signatures.