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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.
Approved!
Your reference solution does not make assumptions about the size of the inner arrays, yet all the tests exclusively use size 3 (and, more generally, assume all the inner arrays have the same size). Are there assumptions about the structure of the arrays? That should be explicitly stated, and if the answer is no, then the fixed tests should be varied up to avoid giving that idea. Ambiguities like this force the translators to make design decisions that they shouldn't have to make (ex: use a tuple? variable length array? hardcode size in random tests? ...?).
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Adding random tests.
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In the process of translating, I noticed the outstanding issues and decided to give the decription a serious overhaul by almost entirely rewriting it.
Thanks!
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The random input generation has been limited to printable ASCII characters to avoid confusion (this is a white kata, after all!), addressing these issues.
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