ch18_2.cpp

上面的程序是关于钱能的C++课后习题答案

//**********************
//**    ch18_2.cpp    **
//**********************

#include<iostream.h>

class RMB{
public:
  RMB(unsigned int d, unsigned int c);
  friend RMB operator +(RMB&, RMB&);
  friend RMB& operator ++(RMB&);
  void display(){ cout <<(yuan + jf / 100.0) << endl; }
protected:
  unsigned int yuan;
  unsigned int jf;
};

RMB::RMB(unsigned int d, unsigned int c)
{
  yuan = d;
  jf = c;
  while ( jf >=100 ){       //以使构造时，确保角分值小于100