Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
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Chapter 4, Problem 6PP
You have invented a vending machine capable of deep frying twinkies. Write a
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A particular talent competition has five judges, each of whom awards a score between 0 and 10 to each performer. Fractional scores, such as 8.3, are allowed. A performer’s final score is determined by dropping the highest and lowest score received, then averaging the three remaining scores. Write a program that uses this method to calculate a contestant’s score. The scores are entered in 5 entry boxes, your program will display a contestant’s score using a variable label on the window of your program (not a message box). Your program would show an error message (using a message box) if any score entered by the user is negative or greater than 10.
An instructor gives a series of exams during the semester in her math class. At the end of
the semester she drops each student's lowest test score before averaging the scores. She has
asked you to design a program that will read a student's test scores as input and calculate
the average with the lowest score dropped. Here is the algorithm that you developed:
Get the student's test scores.
Calculate the total of the scores.
Find the lowest score.
Subtract the lowest score from the total. This gives the adjusted total.
Divide the adjusted total by 1 less than the number of test scores. This is the adjusted average.
Display the average.
The test scores are in a text file named scores.txt and contains the following:
Mickey, 71.0, 42.0, 83.0
Donald, 94.0, 73.0, 72.0, 81.0
Minnie, 95.0, 85.0, 45.0, 55.0, 65.0
A sample run is as follows:
Enter a file containing floating point numbers: scores.txt
Test scores for Mickey: ['71.0', '42.0', '83.0']
Removed the lowest score of 42.0 for Mickey
The…
Write a program that lets the user play the game of Rock, Paper, Scissors against the computer. The program should work as follows:1. When the program begins, a random number in the range of 1 through 3 is generated. If the number is 1, then the computer has chosen rock. If the number is 2, then the computer has chosen paper. If the number is 3, then the computer has chosen scissors. (Don’tdisplay the computer’s choice yet.)2. The user enters his or her choice of “rock,” “paper,” or “scissors” at the keyboard.3. The computer’s choice is displayed.4. A winner is selected according to the following rules:• If one player chooses rock and the other player chooses scissors, then rock wins. (Therock smashes the scissors.)• If one player chooses scissors and the other player chooses paper, then scissors wins.(Scissors cuts paper.)• If one player chooses paper and the other player chooses rock, then paper wins. (Paperwraps rock.)• If both players make the same choice, the game must be…
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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