C++ How to Program (10th Edition)
10th Edition
ISBN: 9780134448237
Author: Paul J. Deitel, Harvey Deitel
Publisher: PEARSON
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Chapter 2, Problem 2.25E
(Multiples)Write a
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(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
(Calculating the Product of Odd Integers) Write a program that calculates and prints theproduct of the odd integers from 1 to 15.
4. (Looping statement) java
Given an integer, display its reversed order.
Sample Output:
Enter n : 876
The reversed order of 876 is 678.
Chapter 2 Solutions
C++ How to Program (10th Edition)
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- (Factorials) Factorials are used frequently in probability problems. The factorial of a positive integer n (written n! and pronounced “n factorial”) is equal to the product of the positive integers from 1 to n. Write an application that calculates the factorials of 1 through 20. Use type long . Display the results in tabular format. What difficulty might prevent you from calculating the factorial of 100?arrow_forward5. (Algebra: solve 2 X 2 linear equations) You can use Cramer's rule to solve the following 2 X 2 system of linear equation: ax + by = e cx + dy = f ● x = ed - bf bc ad y = af - ec ad bc - Write a program that prompts the user to enter a, b, c, d, e, and f and display the result. If ad- bc is 0, report that The equation has no solution. Enter a, b, c, d, e, f: 9.0, 4.0, 3.0, -5.0, -6.0, -21.0 Enter x is -2.0 and y is 3.0 Enter a, b, c, d, e, f: 1.0, 2.0, 2.0, 4.0, 4.0, 5.0 Enter The equation has no solutionarrow_forward(IN C LANGUAGE) Binary-Decimal / Decimal Binary . Between 0 and 255 a number will be decided randomly by computer. Then asks to user 3 times a random digit of binary value of the that number. If user enters wrong number for a digit program will select another random number and ask random times random digit. For example: Computer selected number as 163 ( Which is 10100011) What is the digit 2 (question 1/3) :User enter 1 CorrectWhat is the digit 4 (question 2/3) : User enter 0 CorrectWhat is the digit 7 (question 3/3) : User enter 0 CorrectUser finished the quest with 3 input .arrow_forward
- (Integers Added Together) Create a program that employs the for statement to sum a succession of integers in a single line. Assume that the first integer read defines the number of values that must be entered before the next one may be read. Your software should only read one value per input statement in order to avoid memory leaks. A typical input sequence may be 5 100 200 300 400 500 (or something like). where the number 5 signifies that the items after it are to be added together.arrow_forward(b (Find the discount) Create a program that requests the user to enter two ) arguments: the original price as a float and the discount percentage as aninteger and returns the final price after the discount. Your answer should be rounded to two decimal places. An example run is below: Enter price: 1011 Enter discount percentage: 19 new price 818.91arrow_forward(Average a Sequence of Integers) Write a program that calculates and prints the average ofseveral integers. Assume the last value read with scanf is the sentinel 9999. A typical input sequencemight be10 8 11 7 9 9999indicating that the average of all the values preceding 9999 is to be calculatedarrow_forward
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