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Answers and rating deltas for

How to process a integer matrix to find the average for the elements of any sub-rectangle in O(1)?

Author Votes Δ
Aasmund Eldhuset 3 +1.95
Jerry Coffin 3 +0.72
The Surrican 1 -0.96
Last visited: Sep 14, 2014, 5:07:29 AM