Littlsecr的博客

问题：未释放内存#include <iostream> #include <string> using namespace std; class Animal { public: Animal() {} virtual void Speak() {}; }; class Tiger : public Animal { private: st...

问题：没有按照要求定义设置名称的纯虚函数#include <iostream> #include <string> #include <iomanip> using namespace std; class Shape { protected: string name; double x, y; public: Shape() ...