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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.
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You can check docs of
min
to find out when it fails with error.You can test your solution locally in your IDE with the same inputs which make you fail on CW.
https://github.com/codewars/codewars.com/wiki/Troubleshooting-your-solution#timeout