第二题
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#include using namespace std;class Student{public: void get_value() {cout<<"num:";cin>>num; cout<<"name:";cin>>name; cout<<"sex:";cin>>sex;} void display( ) {cout<<"num: "<<num<<endl; cout<<"name: "<<name<<endl; cout<<"sex: "<<sex<<endl;} private : int num; char name[10]; char sex;}; class Student1: private Student {public: void get_value_1() {get_value(); cout<<"age:";cin>>age; cout<<"addr:";cin>>addr;} void display_1() {display(); cout<<"age: "<<age<<endl; //引用派生类的私有成员，正确。 cout<<"address: "<<addr<<endl;} //引用派生类的私有成员，正确。 private: int age; char addr[30]; };int main() {Student1 stud1; stud1.get_value_1(); stud1.display_1(); return 0;}
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