动物说话术

请修改编辑器中的代码，完成以下功能：完善 Animal 类及其派生类 Dog、Cat，并实现输出函数，按下面两行的格式介绍一只动物：名字 is a 类型. 名字 says 叫声. 主函数会依次介绍基类对象、一只狗和一只猫，通过基类引用调用虚函数实现多态。程序不需要输入。输出示例： Animal is a Animal. Animal says Voice. Lucky is a Dog. Lucky says Woof. Daisy is a Cat. Daisy says Miaow.

#include <iostream>
#include <cstring>
#pragma warning (disable:4996)
using namespace std;

class Animal
{
public:
	Animal(const char* str="Animal")
	{
		//**********found**********		
		name = new ___________________;
		strcpy(name,str);
	}
	virtual ~Animal() { delete[] name; }
	const char* getName() const { return name; }
	virtual const char* getType() const { return "Animal"; }
	virtual const char* getVoice() const { return "Voice"; }
protected:
	char* name;
};

class Dog : public Animal
{
public:
	Dog(const char* str) : Animal(str) {}
	const char* getType() const { return "Dog"; }
	const char* getVoice() const { return "Woof"; }
};

class Cat: public Animal
{
public:
	Cat(const char* str) : Animal(str) {}
	const char* getType() const { return "Cat"; }
	const char* getVoice() const { return "Miaow"; }
};

void Speak(Animal& animal)
{
	//**********found**********
	cout<<animal.getName()<<" is a "<<__________________<<"."<<endl;
	cout<<animal.getName()<<" says "<<__________________<<"."<<endl;
}

int main()
{
	Animal animal;
	Speak(animal);
	cout<<endl;

	Dog d("Lucky");
	Speak(d);
	cout<<endl;

	Cat c("Daisy");
	Speak(c);

	return 0;
}

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