5.9

#include<string>#include <iostream>using namespace std; class Teacher{public:   Teacher(string nam,int a,char s,string tit,string ad,string t);    void display();   protected:   string name;  int age;    char sex;     string title; string addr; string tel; };  Teacher::Teacher(string nam,int a,char s,string tit,string ad,string t): name(nam),age(a),sex(s),title(tit),addr(ad),tel(t){ }  void Teacher::display()   {cout<<"name:"<<name<<endl;    cout<<"age"<<age<<endl; cout<<"sex:"<<sex<<endl;   cout<<"title:"<<title<<endl;  cout<<"address:"<<addr<<endl;    cout<<"tel:"<<tel<<endl;    }  class Cadre {public:  Cadre(string nam,int a,char s,string p,string ad,string t);  void display();  protected:string name;    int age;char sex;  string post; string addr; string tel;  }; Cadre::Cadre(string nam,int a,char s,string p,string ad,string t): name(nam),age(a),sex(s),post(p),addr(ad),tel(t){}   void Cadre::display()    {cout<<"name:"<<name<<endl;   cout<<"age:"<<age<<endl;   cout<<"sex:"<<sex<<endl;  cout<<"post:"<<post<<endl; cout<<"address:"<<addr<<endl;  cout<<"tel:"<<tel<<endl;   }   class Teacher_Cadre:public Teacher,public Cadre {public:   Teacher_Cadre(string nam,int a,char s,string tit,string p,string ad,string t,float w); void show( ); private:   float wage;  }; Teacher_Cadre::Teacher_Cadre(string nam,int a,char s,string t,string p,string ad,string tel,float w):Teacher(nam,a,s,t,ad,tel),Cadre(nam,a,s,p,ad,tel),wage(w) {} void Teacher_Cadre::show( )   {Teacher::display();    cout<<"post:"<<Cadre::post<<endl;    cout<<"wages:"<<wage<<endl;      } int main( ) {Teacher_Cadre te_ca("jiang",19,'m',"prof.","student","495 shanghai Road,jiangxi","(110)17697182",288.9); te_ca.show( );  return 0; }