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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.
description is incomprehensible
Wrong in what way?
7kyu seems reasonable for most high-level languages (one of which you seem to be programming in).
I think description is wrong, hardest than 7kyu.
nice kata!
The statement is confusing, the situations that must be considered are not exemplified correctly. It contributes little considering the time it took me to reach the correct solution