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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.
only death cells. You also need to crop resulting array to the smallest possible array where any column or row contains at least one "1"
definetly not lol
is this real ?
same :( any progress on the topic ?
mmm simply move nonzero elements instead of moving zeroes.