Problem 2240. Sum the 'edge' values of a matrix

Created by Dimitrios

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Last Solution submitted on Jan 13, 2021

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Ben Petschel on 22 Aug 2016

how does this work?

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Binbin Qi on 28 Apr 2014

"find" can delete,do you agree?

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easy matrix sum

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Problem 2240. Sum the 'edge' values of a matrix

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Problem 2240. Sum the 'edge' values of a matrix

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