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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.
how stupid you are !
More test cases.|| More test Example.
Will make it better.
:>
nice!
一个正整数的除了它自己的最大公约数不会大于这个数的一半。