tut41.cpp

#include<iostream>
using namespace std;
// Syntax for inheriting in multiple inheritance
// class DerivedC: visibility-mode base1, visibility-mode base2
// {
//      Class body of class "DerivedC"
// };

class Base1{
    protected:
    int base1int;
    public:
    void set_base1int(int a){
        base1int = a;
    }
};
class Base2{
    protected:
    int base2int;
    public:
    void set_base2int(int a){
        base2int = a;
    }
};
class Base3{
    protected:
    int base3int;
    public:
    void set_base3int(int a){
        base3int = a;
    }
};
class Derived:public Base1, public Base2, public Base3{
    public:
    void show(){
        cout<<"The value of base1int is "<<base1int<<endl;
        cout<<"The value of base2int is "<<base2int<<endl;
        cout<<"The value of base3int is "<<base3int<<endl;
        cout<<"The sum of these values is "<<base1int + base2int + base3int<<endl;
    }
};
int main(){
    Derived d;
    d.set_base1int(9);
    d.set_base2int(3);
    d.set_base3int(71);
    d.show();
    return 0;
}