Problem 623. Rotate a Matrix

Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

Solve

Last Solution submitted on Jan 06, 2026

Riazul Arefin on 20 Mar 2015

why i cannot use seqreverse here?

Monica Roberts on 5 Aug 2015

You should make more test suites, currently you can just set y to the one correct result.

Rahul Gulia on 9 Oct 2021

I like how rot90() function was used here. But yeah, I agree with others too. Please create more test cases.

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