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Consider the 2×3 matrix {{1,2,3},{1,2,3}}. What is the sum of elements of the maximum sum rectangle?

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in Data Structures & Algorithms II by (76.6k points)
Consider the 2×3 matrix {{1,2,3},{1,2,3}}. What is the sum of elements of the maximum sum rectangle?

(a) 3

(b) 6

(c) 12

(d) 18

I had been asked this question by my school principal while I was bunking the class.

I'm obligated to ask this question of Maximum Sum Rectangle in a 2D Matrix in portion Dynamic Programming of Data Structures & Algorithms II

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Right answer is (c) 12

Best explanation: Since all the elements of the 2×3 matrix are positive, the maximum sum rectangle is the matrix itself and the sum of elements is 12.

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