c++编写一个学生和教师

以下是一个简单的学生和教师类的代码示例：

#include <iostream>
#include <string>

using namespace std;

class Person {
protected:
   string name;
   int age;
public:
   Person(string n, int a) {
      name = n;
      age = a;
   }
   void display() {
      cout << "Name: " << name << endl;
      cout << "Age: " << age << endl;
   }
};

class Student : public Person {
private:
   int studentID;
   double gpa;
public:
   Student(string n, int a, int id, double g) : Person(n, a) {
      studentID = id;
      gpa = g;
   }
   void display() {
      Person::display();
      cout << "Student ID: " << studentID << endl;
      cout << "GPA: " << gpa << endl;
   }
};

class Teacher : public Person {
private:
   string department;
   string office;
public:
   Teacher(string n, int a, string d, string o) : Person(n, a) {
      department = d;
      office = o;
   }
   void display() {
      Person::display();
      cout << "Department: " << department << endl;
      cout << "Office: " << office << endl;
   }
};

int main() {
   Student stu("Tom", 20, 12345, 3.5);
   Teacher tea("Mary", 35, "Computer Science", "Room 123");

   stu.display();
   cout << endl;
   tea.display();

   return 0;
}

在上面的代码中，我们定义了一个基类 `Person`，然后从它派生出两个子类 `Student` 和 `Teacher`。这两个子类都继承了 `Person` 类的成员变量和成员函数，并且都添加了自己的成员变量和成员函数。在 `main` 函数中，我们创建了一个 `Student` 对象和一个 `Teacher` 对象，并调用它们的 `display` 函数来显示它们的信息。