oj-1-長方形継承矩形

1708 ワード

01./*  
02.*             :  
03.* Copyright (c) 2011,            
04.* All rights reserved.  
05.*     :test.cpp  
06.*       :  
<pre class="cpp" name="code">07.*     :2014  6   10    
08.*      :v1.0  
09.*              : 
10.*     :   
11.*     : 
12.*     : 
13.*     :  
14.*     :   
15.*/    


<pre class="cpp" name="code">#include <iostream>
using namespace std;
class Rectangle //   
{
private:
int length; //      
int width;
public:
Rectangle();
Rectangle(int l,int w); //    ,l、w       
int getArea(); //   
};

class Bulk: public Rectangle //    
{
public:
Bulk(); //      
Bulk(int l, int w,int h); //        
int getVolume();
private:
int height; // , 、      
};

//   begin end     

//*********** begin *************

//Rectangle      
Rectangle::Rectangle():length(0),width(0){}

Rectangle::Rectangle(int l,int w):length(l),width(w) {}

int Rectangle::getArea()
{
return length*width;
}

//Bulk      
Bulk::Bulk():Rectangle(),height(0){}

Bulk::Bulk(int l, int w,int h):Rectangle(l,w),height(h){}
int Bulk::getVolume()
{
   int s;
   s=getArea();
   return s*height;
};

//*********** end ***************

int main()
{
int x,y,z;
cin>>x>>y>>z;
Bulk b(x,y,z);
cout<<b.getVolume()<<endl;
return 0;
}