PYTHON PROBLEM 276 · Intermediate

Find binary-tree maximum depth: Empty tree

An empty tree represented by null has depth zero.

tree · depthtreedepth

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests find binary-tree maximum depth. It belongs to the Trees and Tries roadmap and uses the tree · depth pattern.

Traversal, recursion on hierarchies, binary-search-tree rules, prefix lookup, and subtree reasoning.

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SKILL TO CARRY FORWARD

Pattern relevance

This exercise strengthens tree · depth. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.