/* 程序13.7：獨立實踐4.cpp：*/
#include<iostream>		//包含頭文件
using namespace std;	//使用名字空間std
class Application
{
protected:
	char appcode[4];
	int storagespace;
public:
	void getapp();
	void showapp();
};
class Spellchecker : public Application
{
protected:
	char lang[5];
public:
	void getspell();
	void showspell();
};
class calculator : public Application
{
protected:
	int noofoperations;
public:
	void getcal();
	void showcal();
};
class spreadsheet : public Spellchecker,calculator
{
protected:
	int noofoperations;
public:
	void getspr();
	void showspr();
};
int main()
{
	spreadsheet sprObj;
	sprObj.getspr();
	sprObj.showspr();
	return 0;
}