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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.
omg it's so clever!
A very clever usage of the method 'two ptrs'!
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Actually the method you are using can be extracted to a simple word: "stack" ^^
And it's really useful and clever, thanks a lot!
that's really clever!
thanks a lot~
oh i see, thanks for explanations!
why using spoiler flag, I don't really understand...
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