Find the least common ancestor of two nodes in a tree.

Find the least common ancestor of two nodes in a tree.

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

分类: problem-solving

标签: Apple SWE, Algorithms

目标岗位: Software Engineer

目标公司: Apple

参考答案摘要

解题思路：Binary tree: recurse; return node if matches, else combine left/right. BST: walk down using value comparisons. O(n) or O(h).

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