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a) The preorder traversal of a Binary Search Tree (BST) is given below. 40 20 10 15 25 30 60 50 80 100 Draw the BST and briefly explain the process you followed to build the tree.

a) The preorder traversal of a Binary Search Tree (BST) is given below. 40 20 10 15 25 30 60 50 80 100 Draw the BST and briefly explain the process you followed to build the tree.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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a) The preorder traversal of a Binary Search Tree (BST) is given below.
40 20 10 15 25 30 60 50 80 100

Draw the BST and briefly explain the process you followed to build the tree.

b) Write a function f1 that takes the root of a binary tree as a parameter and returns the sum of the nodes, which are the left child of another node. The root of the tree is not a child of any node. Consider the following class definitions while writing your code.
class Node {
public:
int key;
Node* left;
Node* right;
};

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