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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.
how do you even know something like that.....
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I think the count(n)=count(s) solution is cleaner and slightly more efficient. It makes 41 comparisons whereas this one makes 43 (2 more in last line) and creates var x,y and sets them to 0.