Answer to Question #272341 in C++ for Imran

Question

Write a program having a base class Student with data member rollno and

member functions getnum() to input rollno and putnum() to display rollno. A class

Test is derived from class Student with data member marks and member functions

getmarks() to input marks and putmarks() to display marks. Class Sports is also

derived from class Student with data member score and member functions getscore()

to input score and putscore() to display score. The class Result is inherited from two

base classes, class Test and class Sports with data member total and a member

function display() to display rollno, marks, score and the total(marks + score).

Answer 1

Source code

#include <iostream>




using namespace std;




class Student{
    private:
    	int rollno;
    
    public:
    	void getnum(){
    		cout<<"\nEnter roll no: ";
    		cin>>rollno;
    	}
    	void putnum(){
    		cout<<"\nRoll no is: "<<rollno;
    	}


};
class Test:public Student
{
    protected:
    	int mark1;
    	int mark2;
    	int mark3;
    public:
    	void getmarks(){
    		cout<<"Enter mark 1: ";
    		cin>>mark1;
    		cout<<"Enter mark 2: ";
    		cin>>mark2;
    		cout<<"Enter mark 3: ";
    		cin>>mark3;
    	}
    	void putmarks(){
    		cout<<"Mark 1: "<<mark1<<"\n";
    		cout<<"Mark 2: "<<mark2<<"\n";
    		cout<<"Mark 3: "<<mark3<<"\n";
    	}


};
class Sports:public Student
{
    protected:
    	int score;
    public:
    	void getscore(){
    		score=-1;
    		while(score<0 || score>100){
    			cout<<"Enter score: ";
    			cin>>score;
    		}
    	}
    	void putscore(){
    		cout<<"Score: "<<score<<"\n";
    	}


};




class Result :public Test, public Sports
{
    private:
    	int total;
    public:
    	void display(){
    		int total=score+mark1+mark2+mark3;
    		cout<<"\nThe total (marks + score): "<<total;
    	}
};




int main(){
	Result res;
	Student s;
	s.getnum();
	res.getmarks();
	res.getscore();
	res.putmarks();
	res.putscore();
	res.display();


	return 0;
}

Output