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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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Nevermind my post, I thought there was something missing about the backtracking, but I checked again, and found that it is indeed clear what is meant!
Yep, thank you :)
It didn't occur to me to print stuff on Codewars.. : P
Thanks for being friendly telling a newcomer a really basic thing.
I am a bit confused about the edge cases.
All of the test cases succeed except 4 of the edge cases and I'm not sure what to even check.
I tried coming up with some to perhaps understand it, but whatever scenario I think of works.
What kind of arrays are tested there?