c++day6

#include 
 
using namespace std;
 
class Animal
{
private:
    string name;
    string variety; //品种
public:
    Animal(){}
    Animal(string n, string v):name(n),variety(v)
    {}
    virtual void perform() = 0;
    void show()
    {
        cout << name << "是一头" << variety;
    }
};
 
class Elephant:public Animal
{
private:
    char sex;
public:
    Elephant(){}
    Elephant(string n, string v, char s):Animal(n, v),sex(s)
    {}
    void perform()
    {
        show();
        cout << "喜欢一脚踩死一个人" << endl;
    }
};
 
class Lion:public Animal
{
private:
    char sex;
public:
    Lion(){}
    Lion(string n, string v, char s):Animal(n, v),sex(s)
    {}
    void perform()
    {
        show();
        cout << "一顿只吃一个人" << endl;
    }
};
 
class Alligator:public Animal
{
private:
    char sex;
public:
    Alligator(){}
    Alligator(string n, string v, char s):Animal(n, v),sex(s)
    {}
    void perform()
    {
        show();
        cout << "更喜欢死亡翻滚把人拆开再吃" << endl;
    }
};
int main()
{
    Elephant e("长鼻子", "非洲象", 'F');
    Lion l("辛巴", "美洲狮", 'M');
    Alligator a("尼古拉斯", "尼罗鳄", 'M');
    Animal *p = &e;
    p->perform();
    p = &l;
    p->perform();
    p = &a;
    p->perform();
    return 0;
}