#include "duck3.h" using std::string; class Mallard : public DuckClass { // Flies and quacks <<<<<<<<<<<<<<< IMPLEMENT THIS public: Mallard(string n="nameless") { typeOf = "mallard"; name = n; } }; class Decoy : public DuckClass { // This duck quacks but cannot fly <<<<<<<<<<< IMPLEMENT THIS public: Decoy( string n = "nameless" ) { typeOf = "decoy"; name = n; } }; class RubberDuck : public DuckClass { // Squeaks (no quack) and cannot fly <<<<<<<<< IMPLEMENT THIS public: RubberDuck( string n = "nameless" ) { typeOf = "loon"; name = n; } }; int main() { Mallard molly("molly"); molly.display(); molly.fly(); molly.quack(); }