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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.
Skill issue?
But yes, this would be a lot easier if the method/function took an
int
array as input. But then this kata would be even easier and not as fun.