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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.
You have used the IO(Input/Output) Library of Standard C++!
I think it's a clever way!
You are so clever!
Good Ideas！
I use Lambda expressions in my solution!
The result is an integer, so it's not necessary to use 0.0 in your solution!