Name:Lu Xing
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Skills:swift, ruby
Member Since:Jul 2016
Last Seen:Apr 2019
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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.
the factorial is overflowing at some point. Try using 100, 200 and 1000. They're using numbers this large in their test cases