[YTU]_2575( 交通工具信息)

题目描述

有一个交通工具类vehicle，将它为 基类派生的有派生小车类car，卡车类truck和轮船类boat，定义这些类，并使其能够显示其各类交通工具的详细信息。

他们包含的信息，有如下几种：

1.名字    -----与输入的名字相符合

2.时速(km/h)    -----最高时速

3.耗油量(L/100km)    -----在经济时速下测得耗油量

小车类：
250km/h
14.8 L/100km
卡车类：
140km/h
18L/100km
轮船类：
50km/h
8.33L/100km

输入

输入三个派生类对应名字。

输出

输出对应类型的信息。

样例输入

Mercedes_Benz
Transport_truck
Boat

样例输出

Mercedes_Benz
250km/h
14.8L/100km
Transport_truck
140km/h
18L/100km
Boat
50km/h
8.33L/100km
#include <iostream>
using namespace std;
class animal
{
    public:animal(int h,int w,char s):height(h),weight(w),sex(s){}
    virtual void display()
    {
        cout<<"height:"<<height<<endl<<"weight:"<<weight<<endl<<"sex:"<<sex<<endl;
    }
protected:
        int height,weight;
        char sex;
};
class aqu_animal:public animal
{
    public:
        aqu_animal(int h,int w,char s,int s_p):animal(h,w,s),swimming_speed(s_p){}
  void display()
        {
            cout<<"height:"<<height<<endl<<"weight:"<<weight<<endl<<"sex:"<<sex<<endl<<"swimming_speed:"<<swimming_speed<<endl;
        }
    protected:
        int swimming_speed;
};
class ter_animal:public animal
{
public:
    ter_animal(int h,int w,char s,int r_p):animal(h,w,s),running_speed(r_p){}
 void display()
    {
          cout<<"height:"<<height<<endl<<"weight:"<<weight<<endl<<"sex:"<<sex<<endl<<"running_speed:"<<running_speed<<endl;
    }
protected:
  int running_speed;
};
int main()
{
    int a,b,s,r;
    char c;
    animal *p;
    cin>>a>>b>>c;
    animal pa(a,b,c);
    p=&pa;
    p->display();
    cin>>a>>b>>c>>s;
    aqu_animal pb(a,b,c,s);
    p=&pb;
    p->display();
    cin>>a>>b>>c>>r;
    ter_animal pc(a,b,c,r);
    p=&pc;
    p->display();
    return 0;
}