Preorder traversal in Binary Tree [Iterative + Recursive]

Contents

1.Introduction
2.Preorder Traversal of a Tree
3.Methods to find Preorder Traversal of a Tree
4.Iterative Approach
1.Code
2.Output
3.Time Complexity of the Approach
4.Space Complexity of the Approach
5.Recursive Approach
1.Code
2.Output
3.Time Complexity of the Approach
4.Space Complexity of the Approach

Introduction

Preorder traversal is one of the traversal in binary tree in which the root node is visited first then the left subtree and then the right subtree.The order can be written a...