Edit questionUSING C++*Please explain in comments in the code of what you are doing and whyImplement the GradedActivity class below.class GradedActivity {private:double score;public:GradedActivity(){score = 0.0; }GradedActivity(double s){ score = s; }void setScore(double s){ score = s; }double getScore(){ return score; }char getLetterGrade() const;};Create a new class Assignment which is derived from GradedActivity. It should have three private member ints for 3 different parts of an assignment score: functionality (max 50 points), efficiency (max 25 points), and style (max 25 points).Create member function set() in Assignment which takes three parameter ints and sets the member variables. It should also set its score member, which is inherited from GradedActivity, using the setScore() function, to functionality + efficiency + style. Signature:void Assignment::set(int, int, int)Create a main program which instantiates an Assignment, asks the user for its functionality, efficiency, and style scores, and prints out the score and letter grade for the assignment.

// Class Assignment derived from Graded Activity class Assignment:publiv GradedActivity { private:…

Answered: Edit question USING C++ *Please…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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USING C++

*Please explain in comments in the code of what you are doing and why

Implement the GradedActivity class below.

class GradedActivity {

private:

double score;

public:

GradedActivity()

{

score = 0.0; }

GradedActivity(double s)

{ score = s; }

void setScore(double s)

{ score = s; }

double getScore()

{ return score; }

char getLetterGrade() const;

};

Create a new class Assignment which is derived from GradedActivity. It should have three private member ints for 3 different parts of an assignment score: functionality (max 50 points), efficiency (max 25 points), and style (max 25 points).
Create member function set() in Assignment which takes three parameter ints and sets the member variables. It should also set its score member, which is inherited from GradedActivity, using the setScore() function, to functionality + efficiency + style. Signature:

void Assignment::set(int, int, int)

Create a main program which instantiates an Assignment, asks the user for its functionality, efficiency, and style scores, and prints out the score and letter grade for the assignment.

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