流云追风

时间限制: 2000ms 内存限制: 65536kB 描述 Businesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or phrase. For example, you can

头文件--定义基类、双向链表类、结点类#include "iostream.h" #include "string.h" class Object //定义抽象类 { public: Object(){} virtual int IsEqual(Object&)=0;//实现2个结点数据的比较 virtual void Show()=0;//输出一个结点的数据 virtual ~