/*以下代码在vc++6.0中通不过
并不意味代码有误,请更换编译
器运行---枯等街寒又何妨2014/01/05*/
#include<iostream>
#include<iomanip>
using namespace std;
class Time
{
public:
void set_time(int,int,int);
Time(int y=0,int m=0 ,int d=0 );
void display(void);
Time operator++();
Time operator--(int);
friend ostream &operator<<(ostream &out,Time &t);
private:
int year;
int month;
int day;
};
class Date:public Time
{
public:
Date(int y,int m1,int ......
阅读全文