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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.
too few test cases allows answers that would fail the requirements with certain arguments.
The example doesn't make sense with the test cases. You can't have negative people or people that need a negative amount of papers. I would suggest modifying either the test cases or the example or stipulate that the answer should handle erroneous input.
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