C++ How to Program (Early Objects Version)
10th Edition
ISBN: 9780134448824
Author: Paul Deitel; Harvey M. Deitel
Publisher: Pearson Education (US)
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Chapter 2, Problem 2.23E
(Largest and Smallest Integers) Write a program that reads in five integers and determines and prints the largest and the smallest integers in the group. Use only the
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(Python matplotlib or seaborn)
CPU Usage
We have the hourly average CPU usage for a worker's computer over the course of a week. Each row of data represents a day of the week starting with Monday. Each column of data is an hour in the day starting with 0 being midnight.
Create a chart that shows the CPU usage over the week. You should be able to answer the following questions using the chart:
When does the worker typically take lunch?
Did the worker do work on the weekend?
On which weekday did the worker start working on their computer at the latest hour?
cpu_usage = [
[2, 2, 4, 2, 4, 1, 1, 4, 4, 12, 22, 23,
45, 9, 33, 56, 23, 40, 21, 6, 6, 2, 2, 3], # Monday
[1, 2, 3, 2, 3, 2, 3, 2, 7, 22, 45, 44,
33, 9, 23, 19, 33, 56, 12, 2, 3, 1, 2, 2], # Tuesday
[2, 3, 1, 2, 4, 4, 2, 2, 1, 2, 5, 31,
54, 7, 6, 34, 68, 34, 49, 6, 6, 2, 2, 3], # Wednesday
[1, 2, 3, 2, 4, 1, 2, 4, 1, 17, 24, 18,
41, 3, 44, 42, 12, 36, 41, 2, 2, 4, 2, 4], # Thursday
[4, 1, 2, 2, 3, 2, 5, 1, 2, 12, 33, 27,
43, 8,…
(Financial: credit card number validation) Credit card numbers follow certain pat-
terns. A credit card number must have between 13 and 16 digits. It must start with:
4 for Visa cards
5 for Master cards
37 for American Express cards
6 for Discover cards
In 1954, Hans Luhn of IBM proposed an algorithm for validating credit card
numbers. The algorithm is useful to determine whether a card number is entered
correctly or whether a credit card is scanned correctly by a scanner. Credit card
numbers are generated following this validity check, commonly known as the
Luhn check or the Mod 10 check, which can be described as follows (for illustra-
tion, consider the card number 4388576018402626):
1. Double every second digit from right to left. If doubling of a digit results in a
two-digit number, add up the two digits to get a single-digit number.
4388576018402626
→ 2 * 2 = 4
→ 2 * 2 = 4
→ 4 * 2 = 8
→ 1 * 2 = 2
6 * 2 = 12 (1+ 2 = 3)
→ 5 * 2 = 10 (1+ 0 = 1)
→ 8 * 2 = 16 (1 + 6 = 7)
→ 4 * 2 = 8
(Sum the digits in an integer) Write a program that reads an integer between 0 and 1000 and adds all the digits in the integer. For example, if an integer is 932, the sum of all its digits is 14.
Chapter 2 Solutions
C++ How to Program (Early Objects Version)
Ch. 2 - Discuss the meaning of each of the following...Ch. 2 - Fill in blanks in each of the following: a)...Ch. 2 - Write a single C++ statement or line that...Ch. 2 - State which of the following are true and which...Ch. 2 - Fill in the blanks in each of the following: a)...Ch. 2 - What, if anything, prints when each of the...Ch. 2 - Which of the following statements contain...Ch. 2 - Given the algebraic equation y — ax 3 + 7. which...Ch. 2 - (OrderofEvaluation) State the order of evaluation...Ch. 2 - (Arithmetic) Write a program that asks the user to...
Ch. 2 - (Printing) Write a program that prints the numbers...Ch. 2 - (Comparing Integers) Write a program that asks the...Ch. 2 - (Arithmetic, Smallest and Largest) Write a program...Ch. 2 - (Diameter, Circumference and Area of a Circle)...Ch. 2 - (Displaying Shapes with Asterisks) Write a program...Ch. 2 - What does the fallowing code print? Cout “*\n...Ch. 2 - (Largest and Smallest Integers) Write a program...Ch. 2 - (Odd or Even) Write a program that reads an...Ch. 2 - (Multiples)Write a program that reads in two...Ch. 2 - (Checkerboard Pattern) Display the following...Ch. 2 - (Integer Equivalent of a Character) Here is a peek...Ch. 2 - (Digits of an Integer) Write a program that inputs...Ch. 2 - (Table) Using the techniques of this chapter,...Ch. 2 - (Body Mass Index Calculator) We introduced the...Ch. 2 - (Car-Pool Savings Calculator) Research several...
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