派生类

#include 
    
     #include
     
      using namespace std;class Student//声明基类Student{public:    void sets(int n,string nam,char s);    void show( );protected:     //保护部分    int num;    string name;    char sex ;};void Student::sets(int n,string nam,char s){    num=n;    name=nam;    sex=s;}void Student::show( ){    cout<<"num: "<
      
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