摘要: ```c++ #include #include using namespace std; const float PI = 3.14159; class Shape { public: virtual float area() = 0; }; class Circle : public Shape 阅读全文
posted @ 2023-05-23 19:08 satou_matsuzaka 阅读(3) 评论(0) 推荐(0) 编辑

This is a Test

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