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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 was mutating the input array and returning it; raising a more precise issue
Fixed with the help of
@Chrono79Resubmit your solution using
long[]longshould be used instead ofintor the range of the random values should be reduced.I'm having the same problem. The random test seems to be having overflow problems, as i can't imagine any diagonal value to be negative.