Absolute C++
6th Edition
ISBN: 9780133970784
Author: Walter Savitch, Kenrick Mock
Publisher: Addison-Wesley
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Textbook Question
Chapter 2, Problem 7PP
Write a
How many exercises to input? 3
Score received for exercise 1 : 10
Total points possible for exercise 1: 10
Score received for exercise 2: 7
Total points possible for exercise 2 : 12
Score received for exercise 3: 5
Total points possible for exercise 3 : 8
Your total is 22 out of 30, or
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Statistics are often calculated with varying amounts of input data. Write a program that prompts for and takes any number of non-negative integers as input, and outputs the average and max. A negative integer ends the input and is not included in the statistics.
Example program run (the user types only the numbers, in this case 15 20 0 5 -1):
Enter numbers separated by spaces, with a negative number to quit: 15 20 0 5 -1 Average = 10 Max = 20
#include <iostream>using namespace std;/* program that prompts for and takes any number of non-negative integers as input, and outputs the average and max. A negative integer ends the input and is not included in the statistics.
Example program run (the user types only the numbers, in this case 15 20 0 5 -1):
Enter numbers separated by spaces, with a negative number to quit:15 20 0 5 -1
Average = 10 Max = 20*/
int main() {
/* Type your code here. */
return 0;}
Write a program that calculates the total grade for N classroom exercises as a percentage. The user
should input the value for N followed by each of the N scores and totals. Calculate the overall
percentage (sum of the total points earned divided by the total points possible) and output it as a
percentage. Sample input and output is shown below.
How many exercises to input? 3
Score received for exercise 1: 10
Total points possible for exercise 1: 10
Score received for exercise 2: 7
Total points possible for exercise 2: 12
Score received for exercise 3: 5
Total points possible for exercise 3: 8
Your total is 22 out of 30, or 73.33%.
The average cost of a college textbook is $125. There is a premium of 20% on hardcover text and a discount of 5% on sales of more than 4 textbooks. Write a program to prompt the user for the appropriate inputs and compute and display the before-tax cost of the textbooks.Sample calculation:price of 10 hardcover text = 10 * 125 + premium –discountprice = 1250 + 20% of 1250 – 5% of 1250price = $1437.50price of 8 softcover text = 8 * 125 –discountprice = 1000 – 5% of 1000price = $950price of 2 softcover text = 2 * 125price = $250
Chapter 2 Solutions
Absolute C++
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