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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.
Certainty should be adjusted to a problem, there is no simple answer. For this Kata's task even 1 is enough as it should pass tests only once and won't be used anymore.
This comment is hidden because it contains spoiler information about the solution
Already added a similar fixed test to all languages in the sample and final tests.
Added a fixed test, now this solution is invalid.