动物这样叫

#include <iostream>
using namespace std;
class Animal
{
public:
    virtual void cry()
    {
        cout<<"不知哪种动物，让我如何学叫？"<<endl;
    }
};
class Mouse : public Animal
{
private:
    string name;
    char sex;
public:
    Mouse(string na, char s):name(na),sex(s) {}
    virtual void cry()
    {
        //偷师如下，三目运算符简化了好多阿~
        //cout<<"我叫"<<name<<"，是一只"<<((sex=='m')?"男":"女")<<"老鼠，我的叫声是：吱吱吱！"<<endl;
        cout<<"我叫"<<name<<"，是一只";
        if(sex=='m')
            cout<<"男";
        else
            cout<<"女";
        cout<<"老鼠，我的叫声是：吱吱吱..."<<endl;
    }
};

class Cat : public Animal
{
private:
    string name;
public:
    Cat(string na):name(na) {}
    virtual void cry()
    {
        cout<<"我叫"<<name<<"，是一只猫，我的叫声是：喵喵喵~"<<endl;
    }
};

class Dog : public Animal
{
private:
    string name;
public:
    Dog(string na):name(na) {}
    virtual void cry()
    {
        cout<<"我叫"<<name<<"，是一只狗，我的叫声是：汪汪汪！"<<endl;
    }
};

class Giraffe : public Animal
{
private:
    string name;
    char sex;
public:
    Giraffe(string na, char s):name(na),sex(s) {}
    virtual void cry()
    {
        //偷师如下，三目运算符简化了好多阿~
        //cout<<"我叫"<<name<<"，是一只"<<((sex=='m')?"男":"女")<<"老鼠，我的叫声是：吱吱吱！"<<endl;
        cout<<"我叫"<<name<<"，是一只";
        if(sex=='m')
            cout<<"男";
        else
            cout<<"女";
        cout<<"长颈鹿，我的声带很特别，声带中间有浅沟，不好发声。"<<endl;
    }
};

int main( )
{
    Animal *p;
    p = new Animal();
    p->cry();
    Mouse m1("Jerry",'m');
    p=&m1;
    p->cry();
    Mouse m2("Jemmy",'f');
    p=&m2;
    p->cry();
    Cat c1("Tom");
    p=&c1;
    p->cry();
    Dog d1("Droopy");
    p=&d1;
    p->cry();
    Giraffe g1("Gill",'m');
    p=&g1;
    p->cry();
    return 0;
}