Program C++ Consider the following class and member function implementation. Derive a class from GradedActivity named Presentation which has two member variable ints, content and delivery which determine a Presentation’s score. Implement the following member functions for Presentation: - a default constructor which sets both member variables and the score to zero - a void member function named set which takes two int parameters c and d, sets content to c and delivery to d, and sets the score to c+d. This function may assume that 0 <= c+d <=100, you don't have to check it. Additionally, provide a simple main() function which creates an object of class Presentation, uses set() to set the object’s member data with some example values, and calls getLetterGrade() to print out the letter grade. class GradedActivity { private: int score; public: GradedActivity() { score = 0.0; } GradedActivity(int s) { score = s; } void setScore(int s) { score = s; } int getScore() { return score; } char getLetterGrade(); }; char GradedActivity::getLetterGrade() { char letterGrade; if (score > 89) letterGrade = 'A'; else if (score > 79) letterGrade = 'B'; else if (score > 69) letterGrade = 'C'; else if (score > 59) letterGrade = 'D'; else letterGrade = 'F'; return letterGrade; }

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
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Program C++

Consider the following class and member function implementation.  Derive a class from GradedActivity named Presentation which has two member variable ints, content and delivery which determine a Presentation’s score.  Implement the following member functions for Presentation: 

- a default constructor which sets both member variables and the score to zero

- a void member function named set which takes two int parameters c and d, sets content to c and delivery to d, and sets the score to c+d.  This function may assume that 0 <= c+d <=100, you don't have to check it.

Additionally, provide a simple main() function which creates an object of class Presentation, uses set() to set the object’s member data with some example values, and calls getLetterGrade() to print out the letter grade.

 

class GradedActivity

{

  private:

   int score;

  public:

   GradedActivity()

     { score = 0.0; }

   GradedActivity(int s)

     { score = s; }

   void setScore(int s)

     { score = s; }

   int getScore()

     { return score; }

      char getLetterGrade();

};

char GradedActivity::getLetterGrade() 

{

  char letterGrade;


  if (score > 89)

   letterGrade = 'A';

  else if (score > 79)

   letterGrade = 'B';

  else if (score > 69)

   letterGrade = 'C';

  else if (score > 59)

   letterGrade = 'D';

  else 

   letterGrade = 'F';


  return letterGrade;

}

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