动物园（虚函数与多态）------已解决

问题：未释放内存

#include <iostream>  
#include <string>  
using namespace std;  
   
class Animal  
{  
public:  
    Animal() {}  
    virtual void Speak() {};  
	virtual ~Animal(){}
};  
   
class Tiger : public Animal  
{  
private:  
     string type, name;  
     int age;  
   
public:  
    Tiger(string type_val, string name_val, int age_val)  
    {  
        type = type_val;  
        name = name_val;  
        age = age_val;  
    }  
   
    virtual void Speak()  
    {  
        cout << "Hello,I am " << name << ",AOOO." << endl;  
    }  
    ~Tiger(){}  
};  
class Pig : public Animal  
{  
private:  
     string type, name;  
     int age;  
   
public:  
    Pig(string type_val, string name_val, int age_val)  
    {  
        type = type_val;  
        name = name_val;  
        age = age_val;  
    }  
    virtual void Speak()  
    {  
        cout << "Hello,I am " << name << ",HENGHENG." << endl;  
    }  
    ~Pig(){}  
};  
   
class Dog : public Animal  
{  
private:  
     string type, name;  
     int age;  
   
public:  
    Dog(string type_val, string name_val, int age_val)  
    {  
        type = type_val;  
        name = name_val;  
        age = age_val;  
    }  
    virtual void Speak()  
    {  
        cout << "Hello,I am " << name << ",WangWang." << endl;  
    }  
    ~Dog(){}  
};  
class Duck : public Animal  
{  
private:  
     string type, name;  
     int age;  
   
public:  
    Duck(string type_val, string name_val, int age_val)  
    {  
        type = type_val;  
        name = name_val;  
        age = age_val;  
    }  
    virtual void Speak()  
    {  
        cout << "Hello,I am " << name << ",GAGA." << endl;  
    }  
    ~Duck(){}  
};  
void Speak(Animal *p)  
{  
    p->Speak();  
}  
   
int main()  
{  
    int T;  
    string type, name;  
    int age;  
    cin >> T;  
    while(T--)  
    {  
        cin >> type >> name >> age;  
        if(type == "Tiger")  
        {  
            Tiger *p = new Tiger(type, name, age);  
            Speak(p);  
			delete p;////////
        }  
        else if(type == "Pig")  
        {  
            Pig *p = new Pig(type, name, age);  
            Speak(p);
			delete p;////////
        }  
        else if(type == "Dog" )  
        {  
            Dog *p = new Dog(type, name, age);  
            Speak(p);  
			delete p;////////
        }  
        else if(type == "Duck")  
        {  
            Duck *p = new Duck(type, name, age);  
            Speak(p);  
			delete p;////////
        }  
        else  
        {  
            cout << "There is no " << type << " in our Zoo." << endl;  
        }  
    }  
    return 0;  
}  

样例输入

4

Tiger Jumpjump 10

Pig Piglet 4

Rabbit labi 3

Duck tanglaoya 8

样例输出

Hello,I am Jumpjump,AOOO.

Hello,I am Piglet,HENGHENG.

There is no Rabbit in our Zoo.

Hello,I am tanglaoya,GAGA.