InterviewDigestTechnical2026-08-16
Height of a binary tree
AI-Expanded — inferred from the question title, not from the original candidate report
Given the root node of a binary tree, write a function to determine its maximum depth, defined as the number of nodes along the longest path from the root node down to the farthest leaf node. Your solution should return 0 for an empty tree and correctly account for the height of trees with varying structures.
Context & Summary
Face-to-face interview (1 hour 30 mins) where the interviewer asked three technical questions and discussed OOPs concepts.
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