Quick Overview

Find the lowest common ancestor of two values in a binary search tree represented in level-order form. Use the BST ordering invariant to locate the first split point while handling root targets and ancestor relationships efficiently.

Find the Lowest Common Ancestor in a Binary Search Tree

Company: Microsoft

Role: Machine Learning Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: HR Screen

Overview: Find the lowest common ancestor of two values in a binary search tree represented in level-order form. Use the BST ordering invariant to locate the first split point while handling root targets and ancestor relationships efficiently.

Read the full Microsoft Machine Learning Engineer interview experience this question came from

Loading…