OJ-練習-長方形から継承

1428 ワード

/*
 * Copyright (c) 2013,          
* All rights reserved.
*       :    
*     :2014  5 20 
*      :v1.0
*     :
*     :
*     :
*     :
*   Rectangle   ,       Bulk      ,  (1)-(6)        ,
*        、 、        。
*/
#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; // , 、      
};
//Rectangle      
Rectangle::Rectangle():length(0),width(0){}

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

int Rectangle::getArea()
{
    int s;
    s=length*width;
    return s;
}
//Bulk      
Bulk::Bulk():Rectangle(){}

Bulk::Bulk(int l, int w,int h):Rectangle(l,w),height(h){}
int Bulk::getVolume()
{
int v;
v=height*getArea();
return v;
};
int main()
{
int x,y,z;
cin>>x>>y>>z;
Bulk b(x,y,z);
cout<<b.getVolume()<<endl;
return 0;
}



実行結果: