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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.
OP solved it, closing
Your code doesn't work when there are negative numbers in
array1. Your variablenuevobecomes unordered.Check out the troublehooting link from my previous post.
Without formatting, your code is unreadable :/
Try to format it like it's shown here: https://docs.codewars.com/references/markdown/#code-block
You could also check which input causes the failure, see this post: https://docs.codewars.com/training/troubleshooting/#print-input
Please see this paragraph.