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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.
It's not clear whether the code should assume single- or multi-byte strings. Assuming single byte strings makes things a lot easier.
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This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution