Problem Solving with C++ (10th Edition)
10th Edition
ISBN: 9780134448282
Author: Walter Savitch, Kenrick Mock
Publisher: PEARSON
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Question
Chapter 3, Problem 8PP
Program Plan Intro
Approximation of pi
Program plan:
- Include necessary header files.
- Declare the namespace.
- Define the “main()” function.
- Declare the necessary variables.
- The “while” loop to execute the block of code at least once.
- Declare and initialize the necessary variables.
- Get the input from the user.
- Use “for” loop to iterate the “pi” value.
- Print the “pi” value.
- Declare and initialize the necessary variables.
- Get the “choice” from the user.
- The “if” loop checks the condition.
- True, “break” the statement.
- Return “0”.
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Perform the following using DEV-C++
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Write a program that determines a student’s grade. It reads four test scores (between0 and 100) and calculates the grade based on the following rules:
If the average score is 90 or more, the grade is ‘A’.
If the average score is between 80 and 90, the grade is ‘B’.
If the average score is between 70 and 80, the grade is ‘C’.
If the average score is between 60 and 70, the grade is ‘D’.
If the average score is less than 60, the grade is ‘F’.
Sum of positive inputs is 454
Question 2:
Write a program in C++ that calculates the total grade of a student for N number of
quizzes.
Read value of N from user, and then ask the student marks in quiz 1, and total marks of
quiz 1 and so on till N.
Display the total of all the quizzes marks and the total marks as given below.
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:
How many quizzes? 3
Input your marks in quiz 1: 10
Total marks of quiz 1: 10
Input your marks in quiz 2: 7
Total marks of quiz 2: 12
Input your marks in quiz 3: 5
Total marks in quiz 3: 8
Your total is 22 out of 30, and percentage is 73.33%.
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CODE USING C++
Choose the best loop statement for the given problem below.
Write a program that will find factorial of a number inputted by the user. Limit the user input of integer to 9, else reject and terminate the program. For a positive integer n, factorial = 1*2*3...n
Chapter 3 Solutions
Problem Solving with C++ (10th Edition)
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