// 23重载输出运算符/*#includeusing namespace std;class A{public: A(int x, int y){ rx = x; ry = y; }//private: int rx; int ry;};ostream&operator<<(ostream&s, const A&c){ s< <<" "; s< <
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// 23重载输出运算符/*#includeusing namespace std;class A{public: A(int x, int y){ rx = x; ry = y; }//private: int rx; int ry;};ostream&operator<<(ostream&s, const A&c){ s< <<" "; s< <
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