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 Sep 17, 2019

Last 200 Solutions

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2 Comments

2 Comments

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

Solution Comments

Solution 501606

3 Comments

3 Comments

Jean-Marie Sainthillier on 15 Sep 2014

Yes !!

rifat on 15 Sep 2014

so simple that it never occurred to me

J.R.! Menzinger on 16 Sep 2014

Thanks! ;-)

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

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Recent Solvers34

Suggested Problems

More from this Author45

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