十四周项目一

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/** 程序的版权和版本声明部分:* Copyright (c) 2013, 烟台大学计算机学院* All rights reserved.* 文件名称:test.cpp* 作    者:周经纬* 完成日期:2014年 5月 27日* 版 本 号:v12.1* 项目三* 输入描述:无* 问题描述:。* 程序输出:* 问题分析:略* 算法设计:略*/#include <iostream>#include <cstring>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{public:    Mouse(string a,char b):name(a),x(b) {}    void cry()    {        if(x=='m')        {            cout<<"我叫"<<name<<","<<"是一只男老鼠,我的叫声是:zhizhizhi-----"<<endl;        }        else        {            cout<<"我叫"<<name<<","<<"是一只母老鼠,我的叫声是:zhizhizhi-----"<<endl;        }    }private:    string name;    char x;};class Cat:public Animal{public:    Cat(string a):name(a) {}    void cry()    {        cout<<"我叫"<<name<<","<<"是一只猫,我的叫声是:miaomiaomiao-----"<<endl;    }private:    string name;};class Dog:public Animal{public:    Dog(string a):name(a) {}    void cry()    {        cout<<"我叫"<<name<<","<<"是一只狗,我的叫声是:wnagwnagwang-----"<<endl;    }private:    string name;};class Giraffe:public Animal{public:    Giraffe(string a,char b):name(a),x(b){}    void cry()    {        if(x=='m')        cout<<"我叫"<<name<<","<<"是一nan长颈鹿,因为脖子太长所以发不出声音"<<endl;        else        cout<<"我叫"<<name<<","<<"是一nv长颈鹿,因为脖子太长所以发不出声音"<<endl;    }    private:        string name;        char x;};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;}

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