Sometimes, like with 203, the sequence reaches (and stays at) 1. Numbers like this are called happy. Not all numbers are happy. If we started with 11, the sequence would be: 11 -> 2 -> 4 -> 16 -> ... This sequence will never reach 1, and so the number 11 is called unhappy. Given a positive whole number, you have to determine whether that number is happy or unhappy. Examples happy (203) true happy (11) → false happy (107) → false

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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Sometimes, like with 203, the sequence reaches (and stays at) 1. Numbers
like this are called happy.
Not all numbers are happy. If we started with 11, the sequence would be:
11 -> 2 -> 4 -> 16 -> ...
This sequence will never reach 1, and so the number 11 is called unhappy.
Given a positive whole number, you have to determine whether that
number is happy or unhappy.
Examples
happy (203) → true
happy (11) → false
happy (107) → false
Notes
Transcribed Image Text:Sometimes, like with 203, the sequence reaches (and stays at) 1. Numbers like this are called happy. Not all numbers are happy. If we started with 11, the sequence would be: 11 -> 2 -> 4 -> 16 -> ... This sequence will never reach 1, and so the number 11 is called unhappy. Given a positive whole number, you have to determine whether that number is happy or unhappy. Examples happy (203) → true happy (11) → false happy (107) → false Notes
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