Program to Implement Multilevel Inheritance C++

Write a Program to Implement Multilevel Inheritance.
Source Code
#include<iostream> #include<conio.h> using namespace std; class data { protected: int count; }; class increment:public data { public: increment() { count=1; } void operator ++() { count++; cout<<"After Incrementing: "<<count<<endl; } }; class decrement:public increment { public: decrement() { count=1; } void operator --() { count--; cout<<"After Decrementing: "<<count<<endl; } }; int main() { decrement a; increment b; cout<<"Initially count=1"<<endl; ++b; --a; }