Tree Traversal: Traversal is a process of visiting the nodes that are present in the tree that are connected via edges. A node that is present in the tree cannot be visited randomly; it requires traversal techniques that are listed below: In order traversal: The traversal takes place from the left sub-tree towards root node and towards the right sub-tree. Preorder traversal: The traversal takes place from the root node towards left sub-tree and towards the right sub-tree. Post order traversal: The traversal takes place from the left sub-tree towards right sub-tree and towards the root node.

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Chapter 19.2, Problem 19.9CP

Program Plan Intro

Tree Traversal:

Traversal is a process of visiting the nodes that are present in the tree that are connected via edges. A node that is present in the tree cannot be visited randomly; it requires traversal techniques that are listed below:

In order traversal:

The traversal takes place from the left sub-tree towards root node and towards the right sub-tree.

Preorder traversal:

The traversal takes place from the root node towards left sub-tree and towards the right sub-tree.

Post order traversal:

The traversal takes place from the left sub-tree towards right sub-tree and towards the root node.

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