/*there are these several people: student teacher office_worker student_teacher
*/

#include <iostream>
using namespace std;

class people
{
public:
  people(const char*n)
  {
    name=new char[strlen(n)+1];
    strcpy(name,n);
  }
  void Print()const
  {
    cout<<"Name:"<<name<<endl;
  }
  
private:
  char *name;
};

class student:public people
{
public:
  student(const char*n,const char*m):people(n)
  {
    major=new char[strlen(m)+1];
    strcpy(major,m);
  }
  void Print()const
  {
    people::Print();
    cout<<"Major:"<<major<<endl;
  }
private:
  char *major;
};

class Staff:virtual public people
{
public:
  Staff(const char *n,const char*d):people(n)
  {
    dept=new char[strlen(d)+1];
    strcpy(dept,d);
  }
protected:
  char *dept;//处 科
};

class teacher:public Staff
{
public:
  teacher(const char*n,const char *d,const char*l):people(n),Staff(n,d)
  {
    lesson=new char[strlen(l)+1];
    strcpy(lesson,l);
  }
  void Print()const
  {
    Staff::Print();
    cout<<"lesson:"<<lesson<<endl;
  }
protected:
  char *lesson;
};

class StudentTeacher:public student,public teacher
{
public:
  StudentTeacher(const char *n,const char *m,const char *d,const char *l)
    :people(n),student(n,m),teacher(n,d,l){}
  void Print()const
  {
    student::Print();
    cout<<"Department"<<dept<<endl;
    cout<<"Lesson"<<lesson<<endl;
  }
private:

};

void main()
{
  student stu("Mike","SoftwareEngineering");
  Staff sta("jason","Managerment");
  teacher t("Tim","conputer","c++");
  StudentTeacher st("sam","computerApplication","computer","c++");
  stu.Print();
  sta.Print();
  t.Print();
  st.Print();
}