Top 25 Binary Tree Interview Questions and Answers

Binary Trees, a fundamental concept in computer science and data structures, are hierarchical structures that have found extensive use in various applications such as search algorithms, priority queues, sorting algorithms, and more. A binary tree is characterized by nodes where each node can have at most two children – commonly referred to as the left child and the right child.

Understanding binary trees and their properties, traversals, and manipulations is essential for any software developer or programmer, especially those aiming to excel in technical interviews. Questions related to binary trees often test problem-solving skills, knowledge of data structures, and the ability to write efficient code.

In this article, we delve into an array of carefully selected interview questions centered around binary trees. These questions cover basic concepts, traversal methods, complex operations, and real-world problems solved using binary trees. This comprehensive guide aims to equip you with the knowledge needed to confidently tackle any binary tree-related question thrown your way during a technical interview.