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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.
It means that C++ will try to automatically detect the type.
Sorry, I'm just learning C++. For your solution, what does "auto" in "for (auto& i : arr)" do?
I'm not sure what are you talking about
Could you explain what the "auto" class does?
Too complicated for understanding