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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.
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One-line solutions are always cool.
This one is practical, sure, however I find it quite long.
why are we giving address of "i" in "for(auto &i : q)" ??
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I give a corect answer, but test return my answer like a bad, i can fight the same answer in solution.