Starting Out with C++: Early Objects (9th Edition)
9th Edition
ISBN: 9780134400242
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Textbook Question
Chapter 2.5, Problem 2.9CP
When the following main function runs, what will display on the screen?
int main()
{
int number;
number = 712;
cout << "The value is " << "number" << endl;
return 0;
}
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Lowest Score Drop
Write a program that calculates the average of a group of test scores, where the lowest score in the group is dropped. It should use the following functions:
void getScore() should ask the user for a test score, store it in a reference parameter variable, and validate it. This function should be called by main once for each of the five scores to be entered.
void calcAverage() should calculate and display the average of the four highest scores. This function should be called just once by main and should be passed the five scores.
int findLowest() should find and return the lowest of the five scores passed to it. It should be called by calcAverage, which uses the function to determine which of the five scores to drop.
Input Validation: Do not accept test scores lower than 0 or higher than 100.
Test Average and Grade
Write a program that asks the user to enter five test scores. The program should display a
letter grade for each score and the average test score. Write the following functions in the
program:
• calc_average-This function should accept five test scores as arguments and return the average
of the scores.
• determine_grade-This function should accept a test score as an argument and return a letter
grade for the score based on the following grading scale:
Score
Letter Grade
90-100
A
80-89
B
70-79
60-69
D
Below 60
F
A sample run is as follows:
Enter test score 1: 75.0
Enter test score 2: 95.0
Enter test score 3: 80.0
Enter test score 4: 90.0
Enter test score 5: 85.0
Your grades are as follows:
Test 1: C
Test 2: A
Test 3: B
Test 4: A
Test 5 : B
struct date{
int day;
int month;
int year;
};
Write a function named void increaseDay(struct date *d) that increases the value of a variable of struct date type with integer year, month, and day members by one day.
Write a function named void decreaseDay(struct date *d) that decreases the value of a variable of struct date type with integer year, month, and day members by one day.
Write a C program that reads from the user a date in d/m/y format and the amount of increase or decrease as an integer. Display the new date in d/m/y format. You may call related functions as many as given increase or decrease value.
Note 1: You do not need to consider leap years. Use always 28 days for month February.
Note 2: Do not modify the function prototypes.
Sample Input1:
Sample Output1:
12/8/1990 -5
7/8/1990
Sample Input2:
Sample Output2:
26/2/2005 5
3/3/2005
Sample Input3:
Sample Output3:
29/12/1998 7
5/1/1999…
Chapter 2 Solutions
Starting Out with C++: Early Objects (9th Edition)
Ch. 2.1 - The following C++ program will not compile because...Ch. 2.1 - On paper, write a program that will display your...Ch. 2.3 - Prob. 2.3CPCh. 2.3 - What output will the following lines of code...Ch. 2.3 - On paper, write a program that will display your...Ch. 2.5 - Which of the following are legal C++ assignment...Ch. 2.5 - List all the variables and literals that appear...Ch. 2.5 - When the above main function runs, what will...Ch. 2.5 - When the following main function runs, what will...Ch. 2.7 - Which of the following are illegal C++ variable...
Ch. 2.7 - Prob. 2.11CPCh. 2.7 - Prob. 2.12CPCh. 2.7 - Prob. 2.13CPCh. 2.7 - How would you combine the following variable...Ch. 2.7 - How would you combine the following variable...Ch. 2.8 - Prob. 2.16CPCh. 2.8 - What will the following code display? int number;...Ch. 2.8 - Prob. 2.18CPCh. 2.10 - Prob. 2.19CPCh. 2.10 - Which of the following is a character literal? 'B'...Ch. 2.10 - Prob. 2.21CPCh. 2.10 - What is wrong with the following program...Ch. 2.10 - Prob. 2.23CPCh. 2.10 - Write a program that stores your name, address,...Ch. 2.15 - Is the following assignment statement valid or...Ch. 2.15 - What is wrong with the following program? How...Ch. 2.15 - What will be assigned to x in each of the...Ch. 2.15 - Prob. 2.28CPCh. 2 - Every complete statement ends with a _____.Ch. 2 - To use cout statements you must include the _____...Ch. 2 - Every C++ program must have a function named...Ch. 2 - Prob. 4RQECh. 2 - A group of statements, such as the body of a...Ch. 2 - 'A', and "Hello World" are all examples of _____.Ch. 2 - 978.65 1012 would be written in E notation as...Ch. 2 - Prob. 8RQECh. 2 - Indicate if each of the following assignment...Ch. 2 - If the variables letter and w have been defined as...Ch. 2 - Indicate if each of the following cout statements...Ch. 2 - Indicate if each of the following cout statements...Ch. 2 - Assume integers x = 4, y = 7, and z = 2. What...Ch. 2 - Assume double variables x = 2.5, y = 7.0, and z =...Ch. 2 - Write a C++ statement that defines the double...Ch. 2 - Write a C++ statement that defines the int...Ch. 2 - Write assignment statements that perform the...Ch. 2 - Write assignment statements that perform the...Ch. 2 - Modify the following program segment so it prints...Ch. 2 - Rewrite the follow statement to use the newline...Ch. 2 - Create detailed pseudocode for a program that...Ch. 2 - Prob. 22RQECh. 2 - Prob. 23RQECh. 2 - Create detailed pseudocode for a program that...Ch. 2 - What will the following programs print on the...Ch. 2 - A) #include iostream using namespace std; int main...Ch. 2 - The following program contains many syntax errors....Ch. 2 - Soft Skills Programmers need good communication...Ch. 2 - Sum of Two Numbers Write a program that stores the...Ch. 2 - Sales Prediction The East Coast sales division of...Ch. 2 - Sales Tax Write a program that computes the total...Ch. 2 - Restaurant Bill Write a program that computes the...Ch. 2 - Miles per Gallon A car holds 16 gallons of...Ch. 2 - Distance per Tank of Gas A car with a 20 gallon...Ch. 2 - Number of Acres One acre of land is equivalent to...Ch. 2 - Land Calculation In the United States, land is...Ch. 2 - Circuit Board Price An electronics company makes...Ch. 2 - Prob. 10PCCh. 2 - Triangle Pattern Write a program that displays the...Ch. 2 - Diamond Pattern Write a program that displays the...Ch. 2 - Pay Period Gross Pay A particular employee earns...Ch. 2 - Basketball Player Height The star player of a high...Ch. 2 - Stock Loss Kathryn bought 750 shares of stock at a...Ch. 2 - Energy Drink Consumption A soft drink company...Ch. 2 - Past Ocean Levels The Earths ocean levels have...Ch. 2 - Future Ocean Levels During the past decade ocean...Ch. 2 - Annual High Temperatures The average July high...Ch. 2 - How Much Paint A particular brand of paint covers...
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