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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.
Random tests generate 100 test cases, each with a list which has 10-20k nodes in the initial, "prefix" part, and 10-20k nodes in the loop part. Your solution is able to handle 3-5 such tests before timing out.
How did you fix this? Im confused because for me it just mentiones 3 passed test and random test timed out but it doesn't mention what exactly the random test was for me to debug the problem.
That's a problem with your code, not a kata issue: