Rotate a 3×3 digit grid by 180°

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This is a medium difficulty Coding & Algorithms question, commonly asked during Onsite rounds at Microsoft.

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This question is commonly asked for Software Engineer candidates at Microsoft during technical interviews.

Question

Rotate a 3×3 digit grid by 180°

PracHub · Accepted Answer

This question evaluates understanding of grid and string manipulation, coordinate transformations, spatial reasoning, and character validation in constrained inputs.

Rotate a 3×3 digit grid by 180°

Quick Overview

Rotate a 3×3 digit grid by 180°

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