Answer to Question #214846 in C++ for Charan

Question

Design four classes: Student, Exam ,Sports and Result.  The Student class has data members such as reg. number, name. Create Exam by inheriting the Student. The Exam class adds data members representing the marks scored in 3 subjects. Create Sports by inheriting the Student. The Sports class adds data members representing the marks scored in indoor and outdoor games. Derive the Result from the Exam , Sports and Result  has its own data member of Total mark. Write an interactive program with appropriate member functions to model this relationship.

Answer 1

#include <iostream>
#include <string>
using namespace std;
class Student{
    protected:
        string name;
        int regno;
    public:
        Student(){}
        void getDetails(){
            cout<<"Input regno: ";
            cin>>regno;
            cout<<"Input name: ";
            cin>>name;
        }
        void putDetails(){
            cout<<"Regno: "<<regno<<endl;
            cout<<"Name: "<<name<<endl;
        }
};
class Exam: public Student{
    protected:
        int s1, s2, s3;
    public:
        Exam(): Student(){}
        void getmarks(){
            cout<<"Input marks: \n";
            cout<<"Subject 1: ";
            cin>>s1;
            cout<<"Subject 2: ";
            cin>>s2;
            cout<<"Subject 3: ";
            cin>>s3;
        }
        void putmarks(){
            cout<<"Subject 1: "<<s1<<endl;
            cout<<"Subject 2: "<<s2<<endl;
            cout<<"Subject 3: "<<s3<<endl;
        }
};
class Sports: public Student{
    protected:
        int indoor, outdoor;
    public:
        Sports(): Student(){}
        void getscore(){
            cout<<"Input score: \n";
            cout<<"Indoor: ";
            cin>>indoor;
            cout<<"Outdoor: ";
            cin>>outdoor;
        }
        void putscore(){
            cout<<"Indoor: "<<indoor<<endl;
            cout<<"Outdoor: "<<outdoor<<endl;
        }
};
class Result: public Sports, public Exam{
    int total;
    public:
        Result(): Sports(), Exam(){
            Exam::getDetails();
            getmarks();
            getscore();
            total = indoor + outdoor + s1 + s2 + s3;
        }
        void display(){
            Exam::putDetails();
            cout<<"Exam Marks: \n"; Exam::putmarks();
            cout<<"Sports Scores: \n"; Sports::putscore();
            cout<<"Total: "<<total<<endl;
        }
};
int main(){
    Result result;
    result.display();
    return 0;
}