Rotating a Matrix 90°: The Transpose-and-Reverse Trick
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Rotating a 2D matrix by 90° is one of those interview problems that looks hard at first and then becomes more obvious once you see the…

 

 Rotating a 2D matrix by 90° is one of those interview problems that looks hard at first and then becomes more obvious once you see the…Continue reading on Medium » Read More Java on Medium 

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