Problem 2094. Sum of diagonals elements of a matrix

Swapnali Gujar

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Given a matrix, return the sum of all the elements across the diagonals.

E.g. A = [1 2 3; 4 5 6; 7 8 9;]

then, sum = 25 as sum of (1, 3, 7, 9,5)

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733 Solutions

233 Solvers

Last Solution submitted on Apr 14, 2026

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2 Comments

Jon on 31 May 2014

Basically the same as Problem 1158

Jong-Min Kwak on 4 Dec 2016

good!!

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