Hierarchical inheritance in C++.

programs of  Hierarchical inheritance :

// hyrachicle inheritance
#include<iostream>
using namespace std;
class A{
 int a;
 public:
  
 void set_a(int a1){
  a=a1;
 }
 int get_a(){
  return a;
 }
};
class B: public A{
 int b;
 public:
 
 void set_b(int b1){
  b=b1;
 }
 int addition(){
  return b+get_a();
 }
}; 
class C: public A{
 int c;
 public:

 void set_c(int c1){
  c=c1;
 }
 int division(){
  return get_a()/c;
 }
};
int main(){
 B obj;
 obj.set_a(10);
 obj.set_b(5);
 cout<<"Addition a+b= "<<obj.addition();
 
 C obj1;
 obj1.set_a(20);
 obj1.set_c(2);
 cout<<"\nDivided a/c= "<<obj1.division();
};
 

out put:

 Addition a+b= 15 

  Divided a/c =  10


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