Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 7PP
Your time machine is capable of going forward in time up to 24 hours. The machine is configured to jump ahead in minutes. To enter the proper number of minutes into your machine, you would like a
int hours, minutes;
bool isAM;
For example, to represent 11:50 PM, you would store:
hours =11
minutes = 50
isAM = false;
This means that you need six variables to store a start and future time. Write a program that allows the user to enter a start time and a future time. Include a function named computeDifference that takes the six variables as parameters that represent the start time and future time. Your function should return, as an int, the time difference in minutes. For example, given a start time of 11:59 AM and a future time of 12:01 PM, your program should compute 2 minutes as the time difference. Given a start time of 11:59 AM and a future time of 11:58 AM, your program should compute 1439 minutes as the time difference (23 hours and 59 minutes).
You may need “AM” or “PM” from the user’s input by reading in two character values. (Display 2.3 illustrates character input.) Characters can be compared just like numbers. For example, if the variable aChar is of type char, then (aChar == ‘A’) is a Boolean expression that evaluates to true if aChar contains the letter A.
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Chapter 4 Solutions
Problem Solving with C++ (9th Edition)
Ch. 4.2 - Prob. 1STECh. 4.2 - Convert each of the following mathematical...Ch. 4.2 - Write a complete C++ program to compute and output...Ch. 4.2 - Write and compile short programs to test the...Ch. 4.3 - Prob. 5STECh. 4.3 - Prob. 6STECh. 4.3 - Prob. 7STECh. 4.3 - Prob. 8STECh. 4.3 - Carefully describe the call-by-value parameter...Ch. 4.3 - Prob. 10STE
Ch. 4.3 - Write a function definition for a function called...Ch. 4.3 - Write a function definition for a function called...Ch. 4.3 - Write a function definition for a function isDigit...Ch. 4.3 - Write a function definition for a function...Ch. 4.4 - What is the purpose of the comment that...Ch. 4.4 - Prob. 16STECh. 4.4 - Prob. 17STECh. 4.4 - Carefully describe the process of program testing.Ch. 4.4 - Prob. 19STECh. 4.5 - If you use a variable in a function definition,...Ch. 4.5 - Suppose a function named Function1 has a variable...Ch. 4.5 - The following function is supposed to take as...Ch. 4.5 - Prob. 23STECh. 4.6 - Prob. 24STECh. 4.6 - Prob. 25STECh. 4.6 - Prob. 26STECh. 4.6 - Suppose you have two function definitions with the...Ch. 4.6 - This question has to do with the Programming...Ch. 4.6 - Prob. 29STECh. 4 - A liter is 0.264179 gallons. Write a program that...Ch. 4 - Modify your program from Practice Program 1 so...Ch. 4 - The price of stocks is sometimes given to the...Ch. 4 - Write a program to gauge the rate of inflation for...Ch. 4 - Enhance your program from the previous Practice...Ch. 4 - Write a function declaration for a function that...Ch. 4 - The gravitational attractive force between two...Ch. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Write a program that computes the annual after-tax...Ch. 4 - Write a program that asks for the users height,...Ch. 4 - Modify your program from Programming Project 2 so...Ch. 4 - Write a program that outputs the lyrics for the...Ch. 4 - To maintain ones body weight, an adult human needs...Ch. 4 - You have invented a vending machine capable of...Ch. 4 - Your time machine is capable of going forward in...Ch. 4 - Do Programming Project 11 from Chapter 3 except...
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