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Data Structures-Tree Traversals

10 posts

Time and Space Complexity Analysis of Tree Traversal Algorithms

Last Updated: 31 May 2023

Let us discuss the Time and Space complexity of different Tree Traversal techniques, such as Inorder Traversal, Preorder Traversal, Postorder Traversal, etc.Time Complexit...read more

Inorder Traversal

Preorder Traversal

PostOrder Traversal

Data Structures-Tree Traversals

Tree Traversals

Complexity-analysis

Minimum operation to make every leaf node equal

Last Updated: 23 July 2025

Given a binary tree that contains multiple nodes, the task is to find a minimum number of operations required to make leaf nodes at the same level equal. By performing one...read more

article_image

Data Structures-Tree Traversals

tree-level-order

Kahn's Algorithm vs DFS Approach: A Comparative Analysis

Last Updated: 19 October 2023

Topological sorting is a common problem in computer science that involves arranging the vertices of a directed acyclic graph (DAG) in a linear order such that for every di...read more

article_image

Topological Sorting

graph-connectivity

Data Structures

Data Structures-Tree Traversals

Data Structures-Stack

Data Structures-Graph

Find maximum GCD value from root to leaf in a Binary tree

Last Updated: 15 July 2025

Given a Binary Tree, the task is to find the maximum value of GCD from any path from the root node to the leaf node.Examples:Input: Below is the given tree:Output: 3Explan...read more

article_image

Preorder Traversal

Data Structures

Data Structures-Tree Traversals

Tree Traversals

Difference between sum of even and odd valued nodes in a Binary Tree

Last Updated: 21 March 2023

Given a binary tree, the task is to find the absolute difference between the even valued and the odd valued nodes in a binary tree.Examples:Input: 5 / \ 2 ...read more

interview-preparation

Data Structures-Tree Traversals

Real-life Applications of Data Structures and Algorithms (DSA)

Last Updated: 03 October 2025

You may have heard that DSA is primarily used in the field of computer science. Although DSA is most commonly used in the computing field, its application is not restricte...read more

Data Structures

Data Structures-Binary Trees

Data Structures-Tree Traversals

Data Structures-Linked List

Data Structures-Stack

Data Structures-Queue

Data Structures-Graph

Data Structures-Balanced Binary Search Trees

Data Structures-Hash

Data Structures-Array

Data Structures-Misc

Data Structures-B and B+ Trees

Data Structures-Heap

How to insert a node in Binary Search Tree using Iteration

Last Updated: 17 August 2022

You are given a binary search tree (BST) and a value to insert into the tree. Print inorder traversal of the BST after the insertion.Example:Input:To the given BST insert ...read more

article_image

Binary Search Tree

Data Structures-Tree Traversals

Root to leaf path sum equal to a given number in BST

Last Updated: 11 July 2025

Given a Binary Search Tree and a sum target. The task is to check whether the given sum is equal to the sum of all the node from root leaf across any of the root to leaf p...read more

article_image

Binary Search Tree

Preorder Traversal

Data Structures-Tree Traversals

Check if two nodes are cousins in a Binary Tree using BFS

Last Updated: 11 July 2025

Given a binary tree (having distinct node values) root and two node values. The task is to check whether the two nodes with values a and b are cousins.Note: Two nodes of a...read more

article_image

Data Structures-Tree Traversals

tree-level-order

Check if two trees are mirror of each other using level order traversal

Last Updated: 11 July 2025

Given two binary trees, the task is to check whether the two binary trees is a mirror of each other or not.Mirror of a Binary Tree: Mirror of a Binary Tree T is another Bi...read more

article_image

Data Structures-Tree Traversals