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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.
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OP solved it, closing
not a kata suggestion
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A hint is that your approach shouldn't use loops. Try a more mathematics-based approach.
how to make the solution more efficient, if the script has a loop with a condition is not efficient enough or is giving a timeout error. please help on make an efficient script.
Please use appropriate markdown formatting when posting code. See https://docs.codewars.com/training/troubleshooting#post-discourse.
Not a kata issue, you need a more efficient solution (less lines of code doesn't necessarily mean more efficient code). See https://docs.codewars.com/training/troubleshooting#timeout.
This comment is hidden because it contains spoiler information about the solution