Heritage Shared

A few days ago, we posted two C++ quizzes based on a question posted in a forum. Let’s review the first question#include  class Foo {public:    virtual void DoStuff()=0; };  class Bar : public Foo {public:    virtual void DoStuff(int a)=0;};  class Baz : public Bar {public:    void DoStuff(int a) override    {        std::cout << "Baz::DoStuff(int)";    }      void DoStuff() override