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Problem 412. Back to basics 22 - Rotate a matrix

Created by Alan Chalker

Covering some basic topics I haven't seen elsewhere on Cody.

Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; 3 4] -> [2 4; 1 3]

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373 correct solutions 91 incorrect solutions
Last solution submitted on Jun 23, 2015

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