Inorder Traversal

42 posts

Last Updated: 23 July 2025

In the Binary Tree, the Inorder predecessor of a node is the previous node in the Inorder traversal of the Binary Tree. The Inorder Predecessor is NULL for the first node ...read more

Tree

DSA

Inorder Traversal

Preorder vs Inorder vs Postorder

Last Updated: 23 July 2025

InPreorder Traversal, the root node is visited first, followed by the left and right subtrees.Inorder Traversalstarts with the left subtree, visits the root, and then the ...read more

Implement Binary Search Tree(BST) Iterator

Last Updated: 23 July 2025

Binary Search Trees (BSTs) are data structures, in computer science. They are commonly used for searching, insertion and deletion operations. In situations it becomes nece...read more

Geeks Premier League 2023

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

Data Structures-Tree Traversals

Tree Traversals

Complexity-analysis

Inorder Traversal of Binary Tree

Last Updated: 08 December 2025

Inorder Traversal is a method to traverse a tree such that for each node, you first traverse its left subtree, then visit the node itself, and finally traverse its right s...read more

Check if two Binary trees are identical after exactly K changes

Last Updated: 23 July 2025

Given two binary trees T1 and T2 and integer K, the task is to check whether both trees are identical or not after making exactly K changes in the first tree. In each chan...read more

Tree

Stack

Geeks Premier League

Geeks-Premier-League-2022

DSA

Inorder Traversal

Binary Tree

Count frequency of K in given Binary Tree

Last Updated: 23 July 2025

Given a binary tree of N nodes. Count the frequency of an integer K in the binary tree.Examples:Input: N = 7, K = 2 1 / \ 2 3 / \ / \4 2 2 5Output:...read more

Binary Tree Iterator for Inorder Traversal

Last Updated: 23 July 2025

Given a Binary Tree and an input array. The task is to create an Iterator that utilizes next() and hasNext() functions to perform Inorder traversal on the binary tree.Exam...read more

Convert given Binary Tree to Symmetric Tree by adding minimum number of nodes

Last Updated: 23 July 2025

Given a Binary Tree, the task is to convert the given Binary Tree to the Symmetric Tree by adding the minimum number of nodes in the given Tree.Examples:Input:Output:Input...read more

Flatten a Binary Search Tree to convert the tree into a wave list in place only

Last Updated: 23 July 2025

Given a Binary Search Tree consisting of N distinct nodes, the task is to flatten the given Binary Search Tree to convert the tree into a wave list. A wave list arr[0..n-1...read more

Create a wave array from the given Binary Search Tree

Last Updated: 23 July 2025

Given a Binary Search Tree, the task is to create a wave array from the given Binary Search Tree. An array arr[0..n-1] is called a wave array if arr[0] = arr[1] = arr[2] =...read more

Check if given inorder and preorder traversals are valid for any Binary Tree without building the tree

Last Updated: 23 July 2025

cGiven two arrays pre[] and in[] representing the preorder and inorder traversal of the binary tree, the task is to check if the given traversals are valid for any binary ...read more

Preorder, Postorder and Inorder Traversal of a Binary Tree using a single Stack

Last Updated: 23 July 2025

Given a binary tree, the task is to print all the nodes of the binary tree in Pre-order, Post-order, and In-order iteratively using only one stack traversal.Examples:Input...read more

Modify Binary Tree by replacing each node with the product of all remaining nodes

Last Updated: 23 July 2025

Given a Binary Tree consisting of N nodes, the task is to replace each node of the tree with the product of all the remaining nodes.Examples:Input: 1 / \ 2 3 ...read more

Basic Operations on Binary Tree with Implementations

Last Updated: 23 July 2025

The tree is a hierarchical Data Structure. A binary tree is a tree that has at most two children. The node which is on the left of the Binary Tree is called “Left-Child” a...read more

Technical Scripter 2020

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