Student Marksheet using Multiple Inheritance

 #include<iostream.h>
 #include<conio.h>

class std

{

protected:

   int total,average;

public:

   int rollno;

   char name[12],course[23];

void getstd()

{

   cout<<"Enter Student Register Number : ";

   cin>>rollno;

   cout<<"Enter Student Name : ";

   cin>>name;

   cout<<"Enter Student Course Name : ";

   cin>>course;

}

void dispstd()

{

   cout<<"Course Name                :  " <<course"\t";

   cout<<"Register Number           :  " <<rollno"\t";

   cout<<"Student Name               :  " <<name<<endl;

}

};

class mark

{

public:

   int m1,m2,m3;

void getmark()

{

   cout<<"Enter Marks : ";

   cin>>m1;

   cin>>m2;

   cin>>m3;

}

void dispmark()

{

  cout<<"\t English              : "<<m1<<endl;

  cout<<"\t Mathematics     : "<<m2<<endl;

  cout<<"\t Science             : "<<m3<<endl;

  cout<<"\n";

}

};

class stdmark:public std,public mark

{

  public:

    float total,average;

void calcstdmark()

{

  total=m1+m2+m3;

  average=total/3;

}

void dispstdmark()

{

  cout<<"Total Marks    :  "<<total<<endl;

  cout<<"Average          :  "<<average<endl;

if(average>=80)

{

  cout<<"Distinction";

}

else if(average>=60)

{

  cout<<"First Class";

}

else

{

  cout<<"Second Class";

}

}

};

void main()

{

  clrscr();

  cout<<"Student Mark List"<<endl;

  cout<<"----------------------"<<endl;

stdmarksm;

sm.getstd();

sm.getmark();

cout<<"\n"<<endl;

cout<<"\t OUTPUT "<<endl;

cout<<"\t ------------ "<<endl;

sm.dispstd();

sm.dispmark();

sm.calcstdmark();

sm.dispstdmark();

getch();

}

}