#include <iostream> using namespace std; // Base class (parent) class Vehicle { public: void honk() { cout << "Tuut, tuut!\n"; } }; // Derived class (child) class Car : public Vehicle { public: void drive() { cout << "Driving...\n"; } }; // Derived class (grandchild) class SportsCar : public Car { public: void turbo() { cout << "Turbo on!\n"; } }; int main() { SportsCar myCar; myCar.honk(); // From Vehicle myCar.drive(); // From Car myCar.turbo(); // From SportsCar return 0; }