Question

C＋＋程序。关于类的继承和派生的

假设高校中人员有学生，普通教师，教授3类人员，学生分不同专业方向的，普通教师分布在不同的系，教授是特殊的教员，不同的教授分级别，如果普通教员在职学习，则他兼有教师和学生身份，需要用到类之间的继承关系，编写程序，能根据输入的姓名输出对应人员的信息。

Answer 1

#include<iostream>
#include<string>
using namespace std;
class People
{
public:
virtual void input() =0;
virtual void output() =0;
People(string n="name"):name(n){}
protected:
string name;
};
class Student:virtual public People
{
public:
void input();
void output();
Student(string m="major",string n="name"):major(m),People(n){}
protected:
string major;
};
void Student::input()
{
cout<<"输入学生信息："<<endl;
cout<<"姓名：";
cin>>name;
cout<<"专业：族仿";
cin>>major;
}
void Student::output()
{
cout<<"学生姓名："<<name<<" 专业："<<major<<endl;
}
class ComTeacher:virtual public People
{
public:
void input();
void output();
ComTeacher(string d="department",string n="name"):department(d),People(n){}
protected:
string department;
};
void ComTeacher::input()
{
cout<<"输入普通教师信息："<<endl;
cout<<"姓名：";
cin>>name;
cout<<"系：";
cin>>department;
}
void ComTeacher::output()
{
cout<<"普通教师姓名："<<name<<" 系："<<department<<endl;
}
class Professor:public People
{
public:
void input();
void output();
Professor(string l="level",string n="name"):level(l),People(n){}
private:
string level;
};
void Professor::input()
{
cout<<"输入教授信息："<<endl;
cout<<"姓名：";
cin>>name;
cout<<"级别：";
cin>>level;
}
void Professor::output()
{
cout<<"教授姓名："<<name<<" 级别："源穗枣<<level<<endl;
}
class ComInstructor:public Student,public ComTeacher
{
public:
void input();
void output();
ComInstructor(string n="name",string m="major",string d="department"):People(n),Student(m,n),ComTeacher(d,n){}
};
void ComInstructor::input()
{
cout<<"输入普通教员信息："<<endl;
cout<<"姓名：";
cin>>name;
cout<<"专业：";
cin>>major;
cout<<"系";
cin>>department;
}
void ComInstructor::output()
{
cout<<"教授姓名："<<name<<" 专业："<<major<<" 系："<<department<<endl;
}
int main()
{
Student stu;
ComTeacher comtea;
Professor pro;
ComInstructor comins;
People * p;

p=&stu;雹拆
p->input();
p->output();

p=&comtea;
p->input();
p->output();

p=&pro;
p->input();
p->output();

p=&comins;
p->input();
p->output();

return 0;
}