摘要:
#include #include using namespace std; class Shape { public: virtual void draw()=0; virtual ~Shape(){} }; class Rectangle :public Shape { public: void draw() { cout cre... 阅读全文
posted @ 2019-06-28 17:00
方豆
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摘要:
#include using namespace std; class Shape { public: virtual void draw()=0; }; class Rectangle:public Shape { public: void draw() { cout getShape(1); Shape* a2 = fac->get... 阅读全文
posted @ 2019-06-28 16:59
方豆
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