#include
#include
class sci
{
public:
float mc,mp,mm;
void entry();
void display();
};
class ads:public sci
{
public:
float mphy,mpaint;
void entry();
void display();
};
class opf:public ads
{
private:
float total,perc;
public:
void calc();
void display();
};
void sci::entry()
{
cout<>mc;
cout<>mp;
cout<>mm;
}
void sci::display()
{
}
void ads::entry()
{
sci::entry();
cout<>mphy;
cout<>mpaint;
}
void ads::display()
{
}
void opf::calc()
{
ads:entry();
cout<<"nnn";
total=mm+mc+mp+mphy+mpaint;
perc=(total/500)*100;
}
void opf::display()
{
ads::display();
cout<<"n Total marks of Student:"<<total;
cout<<"n Percentage of Student:"<<perc;
}
main()
{
class opf x;
clrscr();
x.calc();
x.display();
getch();
}