Binary tree: It is a tree data structure which comes under hierarchical data structure. It is made of nodes that have a left child, right child and a data element. Tree traversal: There are 3 common methods Inorder traversal Preorder traversal Postorder traversal In inorder traversal, the left subtree is encountered first, then data node and then the right subtree. In preorder traversal, the data node is encountered first, then left subtree and then the right subtree. In postorder traversal, the left subtree is encountered first, then right subtree and then the data node. Algorithm for Postorder traversal: Traverse through the leftmost subtree and then print the element. Ttraverse the rightmost subtree and then print the element. At last visit and print the root node.

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Answer 1

Question

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Expert Solution & Answer

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Answer 2

Question

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Answer 6

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Answer 7

Chapter 21, Problem 20RQE

Program Plan Intro

Binary tree:

It is a tree data structure which comes under hierarchical data structure.

It is made of nodes that have a left child, right child and a data element.

Tree traversal:

There are 3 common methods

Inorder traversal

Preorder traversal

Postorder traversal

In inorder traversal, the left subtree is encountered first, then data node and then the right subtree.

In preorder traversal, the data node is encountered first, then left subtree and then the right subtree.

In postorder traversal, the left subtree is encountered first, then right subtree and then the data node.

Algorithm for Postorder traversal:

Traverse through the leftmost subtree and then print the element.

Ttraverse the rightmost subtree and then print the element.

At last visit and print the root node.

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 21.1 - Prob. 21.1CP Ch. 21.1 - Prob. 21.2CP Ch. 21.1 - Prob. 21.3CP Ch. 21.1 - Prob. 21.4CP Ch. 21.1 - Prob. 21.5CP Ch. 21.1 - Prob. 21.6CP Ch. 21.2 - Prob. 21.7CP Ch. 21.2 - Prob. 21.8CP Ch. 21.2 - Prob. 21.9CP Ch. 21.2 - Prob. 21.10CP

Solution Summary: The author describes the binary tree, which is made of nodes with a left, right, and data element. In order traversal, the left subtree is encountered first, then the data node.

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Chapter 21 Solutions