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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.
I have been trying to solve this for ages in Scala with a O(n) solution, but keep getting execution timeout errors. Any suggestions?
for Scala , test cases have 9 digit arrays, directly conflicting instructions stating all arrays would have a length of 10 . Alters solution .