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ch18_1.cpp
资源名称:c.rar [点击查看]
上传用户:puke2000
上传日期:2022-07-25
资源大小:912k
文件大小:1k
源码类别:
C#编程
开发平台:
Visual C++
- //**********************
- //** ch18_1.cpp **
- //**********************
- #include<iostream.h>
- class RMB{ //人民币类
- public:
- RMB(double d){ yuan=d; jf=(d-yuan)/100; }
- RMB interest(double rate); //计算利息
- RMB add(RMB d); //人民币加
- void display(){ cout <<(yuan + jf / 100.0) << endl; }
- RMB operator+(RMB d){ return RMB(yuan+d.yuan+(jf+d.jf)/100); }
- //人民币加的运算符重载
- RMB operator*(double rate){ return RMB((yuan+jf/100)*rate);}
- private:
- unsigned int yuan; //元
- unsigned int jf; //角分
- };
- RMB RMB::interest(double rate)
- {
- return RMB((yuan + jf / 100.0) * rate);
- }
- RMB RMB::add(RMB d)
- {
- return RMB(yuan + d.yuan + jf / 100.0 + d.jf / 100.0);
- }
- //以下是计算应付人民币的两个版本
- RMB expense1(RMB principle, double rate)
- {
- RMB interest = principle.interest(rate);
- return principle.add(interest);
- }
- RMB expense2(RMB principle, double rate)
- {
- RMB interest = principle * rate; //本金乘利息
- return principle + interest; //连本带利
- }
- void main()
- {
- RMB x = 10000.0;
- double yrate = 0.035;
- expense1(x,yrate).display();
- expense2(x,yrate).display();
- }