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  1. GeeksForGeeks
    https://www.geeksforgeeks.org/inorder-tree-traversal-without-recursion

    Inorder Tree Traversal without Recursion - GeeksforGeeks

    • A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company inter… See more

    Inorder Traversal Using Stack

    As we already know, recursion can also be implemented using stack. Here also we can use a … See more

    GeeksForGeeks
    Inorder Traversal Using Morris Traversal

    Following is the algorithm to implement inorder traversal using Morris traversal: Initialize the current node as root. While current is not null, check if it has a left child. If there is n… See more

    GeeksForGeeks
    Inorder Tree Traversal – Iterative and Recursive - Techie Delight
    Inorder Tree Traversal – Iterative and Recursive. Given a binary tree, write an iterative and recursive solution to traverse the tree using inorder traversal in C++, Java, and Python.
    Techie Delight · https://www.techiedelight.com/i…
    Inorder Traversal Using Iterative Way

    Time Complexity : O(N) Auxiliary Space : O(N) See this post for another approach of Inorder Tree Traversal without recursion and without stack! Please write comments if you find an… See more

    GeeksForGeeks
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    Table of Contents
    Inorder Traversal Using Stack
    Inorder Traversal Using Morris Traversal
    Inorder Traversal Using Iterative Way
     
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  1. In this post, we have seen in detail about the Inorder traversal and how it is implemented using recursion.

    Here in this post, we will discuss methods to implement inorder traversal without using recursion.

    Inorder Traversal using Stack:

    As we already k...

    // C++ program to print inorder traversal
    // using stack
    #include <bits/stdc++.h>
    using namespace std;
    // A binary tree Node has data, pointer to left child
    // and a pointer to right child
    struct Node {
    int data;
    struct Node* left;
    struct Node* right;
    Node(int data)
    #include <stdio.h>
    #include <stdlib.h>
    #define bool int
    // A binary tree tNode has data, pointer to left child
    // and a pointer to right child
    struct tNode {
    int data;
    struct tNode* left;
    struct tNode* right;
    };
    // Structure of a stack node. Linked List implementation is
    // Non-recursive java program for inorder traversal
    import java.util.Stack;
    // Class containing left and right child of
    // current node and key value
    class Node
    {
    int data;
    Node left, right;
    public Node(int item)
    {
    data = item;
    left = right = null;
    }
    }
    // Class to print the inorder traversal
    # Python program to do inorder traversal without recursion
    # A binary tree node
    class Node:

    # Constructor to create a new node
    def __init__(self, data):
    self.data = data
    self.left = None
    self.right = None
    # Iterative function for inorder tree traversal
    def inOrder(root):
    // Non-recursive C# program for inorder traversal
    using System;
    using System.Collections.Generic;
    // Class containing left and right child of
    // current node and key value
    public class Node {
    public int data;
    public Node left, right;
    public Node(int item)
    // Non-recursive javascript program for inorder traversal
    // Class containing left and right child of
    // current node and key value
    class Node {
    constructor(item) {
    this.data = item;
    this.left = this.right = null;
    }
    }
    // Class to print the inorder traversal
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  2. GeeksForGeeks
    https://www.geeksforgeeks.org/implem…

    Implementing Inorder, Preorder, Postorder Using …

    WEBDec 19, 2022 · In this article, we will implement different types of Depth First Traversals in the Binary Tree of Non-Linear Data structure using the …

    • Estimated Reading Time: 3 mins
       
    • EnjoyAlgorithms
      https://www.enjoyalgorithms.com/blog/i…

      Iterative Preorder, Inorder and Postorder Traversal …

      WEBWe can easily implement recursive binary tree traversals (preorder, inorder, and postorder) iteratively using a stack. We need to understand the flow of recursive calls in DFS traversal and mimic what the compiler does in the …

    • Techie Delight
      https://www.techiedelight.com/inorder-t…

      Inorder Tree Traversal – Iterative and Recursive

      WEBSep 14, 2022 · Inorder Tree Traversal – Iterative and Recursive. Given a binary tree, write an iterative and recursive solution to traverse the tree using inorder traversal in C++, Java, and Python.

    • Programiz
      https://www.programiz.com/dsa/tree-tr…

      Tree Traversal - inorder, preorder and postorder

      WEBTraversing a tree means visiting every node in the tree. In this tutorial, you will understand the different tree traversal techniques in C, C++, Java, and Python.

    • Medium
      https://medium.com/plain-simple-software/…

      Mastering Binary Tree Traversals: A Comprehensive …

      WEBFeb 12, 2024 · Traversing a binary tree is a core operation that involves visiting each node exactly once in a specific order. This article delves into the three primary traversal strategies: pre-order,...

    • csanim.com
      https://csanim.com/tutorials/inorder-preorder-and...

      Depth First Traversal: Inorder, Preorder and Postorder tree …

    • codeboar.com
      https://codeboar.com/tree-traversal-ex…

      Master Tree Traversal Algorithms: The Ultimate Guide …

      WEBFeb 8, 2024 · In-order traversal requires us to visit the left subtree, then the root, and finally the right subtree. This can be efficiently achieved with a stack by traversing to the leftmost node and then processing nodes as …

    • Scaler
      https://www.scaler.com/.../iterative-inor…

      Inorder Tree Traversal – Iterative - Scaler

      WEBJan 10, 2024 · This traversal, which uses a stack for managing node sequence, is a key approach in processing binary trees, characterized by their two-node structure. We'll explore how this method works and …

    • GeeksForGeeks
      https://www.geeksforgeeks.org/inorder …

      Inorder Traversal of Binary Tree - GeeksforGeeks

      WEBSep 19, 2024 · 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: Output:Preorder Traversal: 1 2 …

    • Built In
      https://builtin.com/software-engineering-perspectives/tree-traversal

      4 Types of Tree Traversal Algorithms (with Animations) - Built In

    • skilled.dev
      https://skilled.dev/course/tree-traversa…

      Tree Traversal: In-Order, Pre-Order, Post-Order

      WEBThere are two methods to traverse trees: depth-first search (DFS) and breadth-first search (BFS). DFS is the most common way, and it is performed by traversing to the leaf nodes. It goes as deep as it can and …

    • GeeksForGeeks
      https://www.geeksforgeeks.org/inorder-tree...

      Inorder Tree Traversal without recursion and without stack!

    • Stack Overflow
      https://stackoverflow.com/questions/9456937

      When to use Preorder, Postorder, and Inorder Binary Search Tree ...

      postorder and preorder when some one child is in tree?Nov 22, 2020
      binary search tree - when to use inorder, preorder and ...
      Complexities of binary tree traversals
      See more results
    • Medium
      https://medium.com/@amyhuajs/the-iterative...

      The iterative solution to inorder tree traversal, easily ... - Medium

    • Javatpoint
      https://www.javatpoint.com/inorder-traversal

      Inorder Traversal (Data Structures) - Javatpoint

    • LeetCode
      https://leetcode.com/problems/binary-tree-inorder-traversal

      Binary Tree Inorder Traversal - LeetCode

    • GeeksForGeeks
      https://www.geeksforgeeks.org/preorder-vs-inorder-vs-postorder

      Preorder vs Inorder vs Postorder - GeeksforGeeks

    • The Crazy Programmer
      https://www.thecrazyprogrammer.com/2019/09/tree-traversal.html

      Tree Traversal – Inorder, Preorder and Postorder - The Crazy …

    • Stack Overflow
      https://stackoverflow.com/questions/4547012

      Complexities of binary tree traversals - Stack Overflow

    • Stack Overflow
      https://stackoverflow.com/questions/24195634

      Binary Search Tree Inorder Traversal - Stack Overflow

    • GeeksForGeeks
      https://www.geeksforgeeks.org/binary-search-tree...

      Binary Search Tree (BST) Traversals – Inorder, Preorder, Post …

    • FavTutor
      https://favtutor.com/blogs/reverse-level-order-traversal

      Reverse Level Order Traversal in Binary Tree (with code) - FavTutor