InterviewDigestTechnical2026-08-16
Rotate a given matrix by 90 degrees in a clockwise direction.
AI-Expanded — inferred from the question title, not from the original candidate report
Given an n x n 2D matrix representing an image, rotate the image by 90 degrees in a clockwise direction. You must perform this transformation in-place by modifying the input 2D matrix directly rather than allocating a second matrix to store the result.
Context & Summary
Two coding problems were discussed.
💻 Coding practice works best on desktop.
Code editors are too cramped on mobile screens.
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