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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.
yes, it can. you need optimize your algo
This comment is hidden because it contains spoiler information about the solution
Because then the point is not a floating point. The floating point have to be exactly after a number.
Please use spoiler flag next time.