A professor has constructed a two-dimensional array of double numbers having 3 rows and 5 columns. This array currently contains the test grades of the students in the professor’s advanced compiler design class. Write a C++ program that reads 15 array values and then determine the total number of grades in the ranges less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90. b. Entering 15 grades each time the program written for 7A is run is cumbersome. What method, therefore, is appropriate for initializing the array during the testing phase? c. How might the program you wrote for 7A be modified to include the case of no grade being present? That is, what grade could be used to indicate an invalid grade and how would your program have to be modified to exclude counting such a grade?

A professor has constructed a two-dimensional array of double numbers having 3 rows and 5 columns. This array currently contains the test grades of the students in the professor’s advanced compiler design class. Write a C++ program that reads 15 array values and then determine the total number of grades in the ranges less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90. b. Entering 15 grades each time the program written for 7A is run is cumbersome. What method, therefore, is appropriate for initializing the array during the testing phase? c. How might the program you wrote for 7A be modified to include the case of no grade being present? That is, what grade could be used to indicate an invalid grade and how would your program have to be modified to exclude counting such a grade?

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section7.3: Declaring And Processing Two-dimensional Arrays

Problem 7E: (Electrical eng.) a. An engineer has constructed a two-dimensional array of real numbers with three...

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(Electrical eng.) a. An engineer has constructed a two-dimensional array of real numbers with three rows and five columns. This array currently contains test voltages of an amplifier. Write a C++ program that interactively inputs 15 array values, and then determines the total number of voltages in these ranges: less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90. b. Entering 15 voltages each time the program written for Exercise 7a runs is cumbersome. What method could be used for initializing the array during the testing phase? c. How might the program you wrote for Exercise 7a be modified to include the case of no voltage being present? That is, what voltage could be used to indicate an invalid voltage, and how would your program have to be modified to exclude counting such a voltage?
**A professor has constructed a two-dimensional array of double numbers having 3 rows and 5 columns. This array currently contains the test grades of the students in the professor’s advanced compiler design class. Write a C++ program that reads 15 array values and then determine the total number of grades in the ranges less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90. ** Entering 15 grades each time the program written for 7A is run is cumbersome.What method, therefore, is appropriate for initializing the array during the testing phase? ** How might the program you wrote for 7A be modified to include the case of no grade being present? That is, what grade could be used to indicate an invalid grade and how would your program have to be modified to exclude counting such a grade?
a. A professor has constructed a two-dimensional array of double numbers having 3 rows and 5 columns. This array currently contains the test grades of the students in the professor’s advanced compiler design class. Write a C++ program that reads 15 array values and then determine the total number of grades in the ranges less than 60, greater than or equal to 60 and less than 70, greater than or equal to 70 and less than 80, greater than or equal to 80 and less than 90, and greater than or equal to 90.
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