Top 50 Tree Coding Problems for Interviews

Top 50 Tree Coding Problems for Interviews

Last Updated : 21 Feb, 2025

Here is the collection of the Top 50 list of frequently asked interview questions on Tree. Problems in this Article are divided into three Levels so that readers can practice according to the difficulty level step by step.

Top-50-Tree-Coding-Problems-for-Interviews

Easy Problems

Medium Problems

Hard Problems

Related Articles

Some other important Tutorials:

Top 50 Tree Coding Problems for Interviews

R

RishabhPrabhu

Improve

Article Tags :

Practice Tags :

Tree

Similar Reads

Introduction to Tree Data Structure

Tree data structure is a hierarchical structure that is used to represent and organize data in the form of parent child relationship. The following are some real world situations which are naturally a tree.Folder structure in an operating system.Tag structure in an HTML (root tag the as html tag) or

Tree Traversal Techniques

Tree Traversal techniques include various ways to visit all the nodes of the tree. Unlike linear data structures (Array, Linked List, Queues, Stacks, etc) which have only one logical way to traverse them, trees can be traversed in different ways. In this article, we will discuss all the tree travers

Applications of tree data structure

A tree is a type of data structure that represents a hierarchical relationship between data elements, called nodes. The top node in the tree is called the root, and the elements below the root are called child nodes. Each child node may have one or more child nodes of its own, forming a branching st

Advantages and Disadvantages of Tree

Tree is a non-linear data structure. It consists of nodes and edges. A tree represents data in a hierarchical organization. It is a special type of connected graph without any cycle or circuit.Advantages of Tree:Efficient searching: Trees are particularly efficient for searching and retrieving data.

Difference between an array and a tree

Array:An array is a collection of homogeneous(same type) data items stored in contiguous memory locations. For example, if an array is of type â€œintâ€, it can only store integer elements and cannot allow the elements of other types such as double, float, char, etc. The array is a linear data structure

Inorder Tree Traversal without Recursion

Given a binary tree, the task is to perform in-order traversal of the tree without using recursion.Example:Input:Output: 4 2 5 1 3Explanation: Inorder traversal (Left->Root->Right) of the tree is 4 2 5 1 3Input:Output: 1 7 10 8 6 10 5 6Explanation: Inorder traversal (Left->Root->Right) o

Types of Trees in Data Structures

A tree in data structures is a hierarchical data structure that consists of nodes connected by edges. It is used to represent relationships between elements, where each node holds data and is connected to other nodes in a parent-child relationship.Types of Trees TreeThe main types of trees in data s