Problem 2587. Find indices of diagonal elements

Created by Jean-Marie Sainthillier

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Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and negative integers), return the indices of the elements of this diagonal.

d is always correct but A can contain repetitions, so ...

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Last Solution submitted on Dec 27, 2025

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Jon on 18 Sep 2014

Need a test case with a 0 on the chosen diagonal.

Peng Liu on 24 Aug 2015

Agree with Jon's comment that the matrix should contain 0 elements

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Problem 2587. Find indices of diagonal elements

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Last 200 Solutions

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Problem 2587. Find indices of diagonal elements

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Last 200 Solutions

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Solution Comments

Problem Recent Solvers71

Suggested Problems

More from this Author43

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