STARTING OUT WITH C++ REVEL >IA<
9th Edition
ISBN: 9780135853115
Author: GADDIS
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 4.13, Problem 4.25CP
The following statements use conditional expressions. Rewrite each with an if /else statement.
A) j = k > 90 ? 57 : 12;
B) factor = x >= 10 ? y * 22 : y * 35;
C) total += count == 1 ? sales : count * sales;
D) cout << (((num % 2) == 0) ? "Even\n" : "odd\n");
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
4. Write an if statement that increases pay by 3% if score is greater than 90, otherwise increases pay by 1%.
A cashier distributes change using the maximum number of five dollar bills, followed by one dollar bills. For example, 19 yields 3 fives and 4 ones. Write a single statement that assigns the number of 1 dollar bills to variable numOnes, given amountToChange. Hint: Use the % operator. C++
Determine whether the following is a valid switch statement. if not, explain why. Assume that n and digit are int variables.
switch (n % 10)
case 2:
{
case 4:
case 6:
case 8:
cout << "Even";
break;
case 1:
case 3:
case 5:
case 7:
cout << "Odd";
break;
}
Chapter 4 Solutions
STARTING OUT WITH C++ REVEL >IA<
Ch. 4.1 - Prob. 4.1CPCh. 4.1 - Indicate whether the following statements about...Ch. 4.1 - Prob. 4.3CPCh. 4.1 - Prob. 4.4CPCh. 4.2 - Write an if statement that performs the following...Ch. 4.2 - Write an if statement that performs the following...Ch. 4.2 - Write an if statement that multiplies payRate by...Ch. 4.2 - True or False: Both of the following i f...Ch. 4.2 - True or false: Both of the following if statements...Ch. 4.3 - Write an if statement that performs the following...
Ch. 4.3 - The following code segment is syntactically...Ch. 4.4 - True or false: The following if/else statements...Ch. 4.4 - Write an if/else statement that assigns 1 to x if...Ch. 4.4 - Write an if/else statement that assigns 0.10 to...Ch. 4.5 - If you executed the following code, what would it...Ch. 4.6 - What will the following code display? int funny =...Ch. 4.6 - The following code is used in a bookstore program...Ch. 4.9 - Prob. 4.18CPCh. 4.9 - Assume the variables a = 2, b = 4, and c = 6....Ch. 4.9 - Write an if statement that prints the message The...Ch. 4.9 - Write an if statement that prints the message The...Ch. 4.12 - Prob. 4.22CPCh. 4.12 - Indicate whether each of the following relational...Ch. 4.13 - Rewrite the following if/else statements as...Ch. 4.13 - The following statements use conditional...Ch. 4.13 - Prob. 4.26CPCh. 4.14 - Explain why you cannot convert the following if...Ch. 4.14 - What is wrong with the following switch statement?...Ch. 4.14 - What will the following program display? #include...Ch. 4.14 - Complete the following program skeleton by writing...Ch. 4.14 - Rewrite the following program. Use a switch...Ch. 4 - Describe the difference between the if /else if...Ch. 4 - In an if/else if statement, what is the purpose of...Ch. 4 - What is a flag and how does it work?Ch. 4 - Can an if statement test expressions other than...Ch. 4 - Briefly describe how the operator works.Ch. 4 - Briefly describe how the | | operator works.Ch. 4 - Why are the relational operators called...Ch. 4 - Why do most programmers indent the conditionally...Ch. 4 - An expression using the greater-than, less-than,...Ch. 4 - A relational expression is either ______ or...Ch. 4 - Prob. 11RQECh. 4 - The if statement regards an expression with the...Ch. 4 - The if statement regards an expression with a...Ch. 4 - For an if statement to conditionally execute a...Ch. 4 - In an if/else statement, the if part executes its...Ch. 4 - The trailing else in an if/else if statement has a...Ch. 4 - The if/else if statement is actually a form of the...Ch. 4 - If the subexpression on the left of the _________...Ch. 4 - If the subexpression on the left of the __________...Ch. 4 - The ________ logical operator has higher...Ch. 4 - The logical operators have _________...Ch. 4 - The _________ logical operator works best when...Ch. 4 - The __________ logical operator works best when...Ch. 4 - A variable with _________ scope is only visible...Ch. 4 - Prob. 25RQECh. 4 - An expression using the conditional operator is...Ch. 4 - The expression that is tested by a switch...Ch. 4 - Prob. 28RQECh. 4 - A program will fall through a case section if it...Ch. 4 - What value will be stored in the variable t after...Ch. 4 - Write an if statement that assigns 100 to x when y...Ch. 4 - Write an if/else statement that assigns 0 to x...Ch. 4 - Using the following chart, write an if/else if...Ch. 4 - Write an if statement that sets the variable hours...Ch. 4 - Write nested if statements that perform the...Ch. 4 - Write an if statement that prints the message The...Ch. 4 - Write an if statement that prints the message The...Ch. 4 - Write an if statement that prints the message The...Ch. 4 - Assume str1 and str2 are string objects that have...Ch. 4 - Convert the following if/else if statement into a...Ch. 4 - Match the conditional expression with the if /else...Ch. 4 - T F The = operator and the == operator perform the...Ch. 4 - Prob. 43RQECh. 4 - T F A conditionally executed statement should be...Ch. 4 - T F All lines in a block should be indented one...Ch. 4 - T F Its safe to assume that all uninitialized...Ch. 4 - T F When an if statement is nested in the if part...Ch. 4 - T F When an if statement is nested in the el se...Ch. 4 - T F The scope of a variable is limited to the...Ch. 4 - T F You can use the relational operators to...Ch. 4 - T F x ! = y is the same as (x y || x y)Ch. 4 - T F y x is the same as x = yCh. 4 - T F x = y is the same as (x y x = y)Ch. 4 - T F x == 5 || y 3Ch. 4 - T F 7 = x z 4Ch. 4 - T F 2 != y z != 4Ch. 4 - T F x = 0 || x = yCh. 4 - Each of the following programs has errors. Find as...Ch. 4 - // This program divides a user-supplied number by...Ch. 4 - // This program uses an if/else if statement to...Ch. 4 - // This program uses a switch-case statement to...Ch. 4 - The following statement should determine if x is...Ch. 4 - The following statement should determine if count...Ch. 4 - The following statement should determine if count...Ch. 4 - The following statement should assign 0 to z if a...Ch. 4 - Minimum/Maximum Write a program that asks the user...Ch. 4 - Roman Numeral Converter Write a program that asks...Ch. 4 - Magic Dates The date June 10, 1960 is special...Ch. 4 - Areas of Rectangles The area of a rectangle is the...Ch. 4 - Body Mass Index Write a program that calculates...Ch. 4 - Mass and Weight Scientists measure an objects mass...Ch. 4 - Time Calculator Write a program that asks the user...Ch. 4 - Color Mixer The colors red, blue, and yellow are...Ch. 4 - Change for a Dollar Game Create a change-counting...Ch. 4 - Days in a Month Write a program that asks the user...Ch. 4 - Math Tutor This is a modification of Programming...Ch. 4 - Software Sales A software company sells a package...Ch. 4 - Book Club Points Serendipity Booksellers has a...Ch. 4 - Bank Charges A bank charges 10 per month plus the...Ch. 4 - Shipping Charges The Fast Freight Shipping Company...Ch. 4 - Running the Race Write a program that asks for the...Ch. 4 - Personal Best Write a program that asks for the...Ch. 4 - Fat Gram Calculator Write a program that asks for...Ch. 4 - Spectral Analysis If a scientist knows the...Ch. 4 - Prob. 20PCCh. 4 - The Speed of Sound in Gases When sound travels...Ch. 4 - Freezing and Boiling Points The following table...Ch. 4 - Prob. 23PCCh. 4 - Long-Distance Calls A long-distance carrier...Ch. 4 - Mobile Service Provider A mobile phone service...Ch. 4 - Mobile Service Provider, Part 2 Modify the Program...Ch. 4 - Wi-Fi Diagnostic Tree Figure 4-11 shows a...Ch. 4 - Restaurant Selector You have a group of friends...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What is wrong with the following while statement? 1 while (z = 0) { 2 sum += z; 3 }
Java How To Program (Early Objects)
A new class of objects can be created conveniently bythe new class (called the subclass) starts with the charac...
Java How to Program, Early Objects (11th Edition) (Deitel: How to Program)
Modify the method you wrote for Checkpoint 9.7 so it performs a case-insensitive test. The method should return...
Starting Out with Java: From Control Structures through Data Structures (3rd Edition)
When the value of an item is dependent on other data, and that item is not updated when the other data is chang...
Starting Out with Java: From Control Structures through Objects (6th Edition)
Modify the Product_T table by adding an attribute QtyOnHand that can be used to track the finished goods invent...
Modern Database Management (12th Edition)
How is a constructor named?
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
Knowledge Booster
Learn more about
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
- If int x = 10;, int y = 7;, double z = 4.5;, and double w = 2.5;, evaluate each of the following statements, if possible. If it is not possible, state the reason. (3, 4) (x + y) % x x % y + w (z - y) / w (y + z) % x (x % y) * z x % y % 2 (x + y) % z (x % y + z) / warrow_forward. Convert the following conditional statement to switch statement: if (numBooks >=0 && numBooks <=2) cout << "You earned 0 points.\n"; else if (numBooks == 4) cout << "You earned 5 points.\n"; else cout << "That's an invalid number of books.\n";arrow_forward2. Write an if statement that assigns 0.2 to commission if sales is greater than or equal to 10000. In C++arrow_forward
- Study the following if statement: if x>10 or x<-10: print('big') elif x>1000000: print('very big') elif x<-1000000: print('very big') else : print('small') For what values of x will the above code print 'very big'?arrow_forwardFactorial) The factorial of a nonnegative integer n is written n! (pronounced “n factorial”) and is defined as follows:For example, 5!= 5.4.3.2.1 , which is 120. Use while statements in each of the following:A. Write a program that reads a nonnegative integer and computes and prints its factorial.B. Write a program that estimates the value of the mathematical constant e by using the formula:Prompt the user for the desired accuracy of e (i.e., the number of terms in the summation).C. Write a program that computes the value of by using the formula Prompt the user for the desired accuracy of e (i.e., thenumber of terms in the summation).arrow_forwardWrite an if-else statement that assigns 20 to the variable y if the variable x is greater than100. Otherwise, it should assign 0 to the variable y.arrow_forward
- Puma Filling Station sells gasoline and has a car wash. Fees for the car wash are K40.00 with a gasoline purchase of K200.00 or more and K70.00 otherwise. Three kinds of gasoline are available: regular at K16.25, unleaded at K 17.63, and super unleaded at K 19.50 per litter. You are required to write a program that prints a statement for a customer. Input consists of number of litters purchased, kind of gasoline purchased (R, U, S, or for no purchase, N), and car wash desired (Y or N). Develop a Pseudocode and a structure chart for the service station problem.arrow_forwarda. Assuming that x is 1, show the result of the following Boolean expressions.(true) && (3 > 4)!(x > 0) && (x > 0)(x > 0) || (x < 0)(x != 0) || (x == 0)(x >= 0) || (x < 0)b. Write a Boolean expression that evaluates to true if age is greater than 13 and less than18.c. Write a Boolean expression for |x - 5| < 4.5d. Rewrite the following if statements using the conditional operator.if (ages >= 16)ticketPrice = 20;elseticketPrice = 10;e. Explain what the following conditional expression does.(int)(Math.random() * 2) == 0 ? -1 : 1;arrow_forwardthis is a C++ question, not Python or Java Write a C++ program. A software company sells a package that retails for $109. Quantity discounts are givenaccording to the following table. Quantity Discount 10 - 39 10% 40 - 65 18% 66 - 90 27% 91 - 120 35% 121 – 199 42% 200 or more 48% Write a program using the if/else if/else statement that asks for the number of units soldand computes the total cost of the purchase and the savings due to the discountapplied. The program should also display the number of units purchased and thediscount in percentage. The output should include the following text:Number of units purchased is:Discount applied is:Total savings due to discount is:The total cost of the purchase is:Do NOT use the switch statement, any logical operator or anything that looks likeone in the program. You will not receive credit for the program if you do.arrow_forward
- Rewrite the following expressions using the conditional operator. (Assume that all variables are declared properly.)a. if (x == y)z = x + y;elsez = (x + y) / 2;b. if (hours >= 40.0)wages = 40 * 7.50 + 1.5 * 7.5 * (hours - 40);elsewages = hours * 7.50;c. if (loanAmount >= 200000)closingCosts = 10000;elseclosingCosts = 8000;arrow_forwardUsing C++ program 1. ( Use if-else statement ) Write a program for asking for a quiz score. The program then will display a remark if FAILED or PASSED. The passing score is 50. Display also the lacking score points. 2. Why does the following section of code always print "ByeHi" no matter what x is? int x; cin>> x; if x(x < 0); cout<< "Bye"; cout<< "Hi\n"; 3. Write the general form of an if-else statement.arrow_forwardWrite an if-else statement with multiple branches. If givenYear is 2101 or greater, print "Distant future" (without quotes). Else, if givenYear is 2001 or greater (2001-2100), print "21st century". Else, if givenYear is 1901 or greater (1901-2000), print "20th century". Else (1900 or earlier), print "Long ago". End with a newline. Remember to use println instead of print to output a newline.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENTC++ Programming: From Problem Analysis to Program...Computer ScienceISBN:9781337102087Author:D. S. MalikPublisher:Cengage Learning
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
Python Tutorial #10; Math Functions in Python; Author: Art of Engineer;https://www.youtube.com/watch?v=OviXsGf4qmY;License: Standard YouTube License, CC-BY