第三题

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//main file#include <iostream>using namespace std;#include "xt8-3-h1.h"#include "xt8-3-h2.h"using namespace std;using namespace student1;int main() {Student stud1(1001,"Wang",18,"123 Beijing Road,Shanghua");  stud1.show_data();  student2::Student stud2(1102,"Li",'f',89.5);  stud2.show_data();  return 0; }  //header1.h，文件名为xt8-3-h1.h#include <string>namespace student1 {class Student    {public:      Student(int n,string nam,int a,string addr)       {num=n;name=nam;age=a;address=addr;}      void show_data();     private:      int num;      string name;      int age;      string address;    };  void Student::show_data()    {cout<<"num:"<<num<<"  name:"<<name<<"  age:"<<age<<"  address:"<<address<<endl;    } }//header2.h，文件名为xt8-3-h2.h#include <string>namespace student2 {class Student   {public:     Student(int n,string nam,char s,float sco)       {num=n;name=nam;sex=s;score=sco;}     void show_data();    private:     int num;     string name;     char sex;     float score;   };  void Student::show_data()   {cout<<"num:"<<num<<"  name:"<<name<<" sex:"<<sex<<"   score:"<<score<<endl; } }

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