C++继承与派生类型求解

定义个人类person，其数据成员有姓名 性别 出生年月，并以person类为基类定义一个学生的派生类student，增加描述学生的信息：班级 学号 专业 英语成绩和数学成绩。再由基类person定义一个职工的派生类employee，增加描述职工的信息：部门 职称 工资。编程实现学生与职工的输入与输出

#include <iostream>
#include <string>
using namespace std;

class Person {
protected:
    string name;
    bool gender;
    int birth_year, birth_month;

public:
    Person(string _n = "", bool _g = true, int _y = 0, int _m = 0)
        : name(_n), gender(_g), birth_year(_y), birth_month(_m) {}

    virtual void input() {
        cout << "请输入姓名：";
        cin >> name;
        cout << "请输入性别（0表示女性，1表示男性）：";
        cin >> gender;
        cout << "请输入出生年月（例如：2004 4）：";
        cin >> birth_year >> birth_month;
    }

    virtual void output() {
        cout << "姓名：" << name << endl;
        cout << "性别：" << (gender ? "男" : "女") << endl;
        cout << "出生日期：" << birth_year << "年" << birth_month << "月" << endl;
    }
};

class Student : public Person {
protected:
    string class_name, student_id, major;
    float english_score, math_score;

public:
    Student(string _cn = "", string _id = "", string _m = "", float _es = 0, float _ms = 0)
        : class_name(_cn), student_id(_id), major(_m), english_score(_es), math_score(_ms) {}

    void input() {
        Person::input();
        cout << "请输入班级：";
        cin >> class_name;
        cout << "请输入学号：";
        cin >> student_id;
        cout << "请输入专业：";
        cin >> major;
        cout << "请输入英语成绩：";
        cin >> english_score;
        cout << "请输入数学成绩：";
        cin >> math_score;
    }

    void output() {
        Person::output();
        cout << "班级：" << class_name << endl;
        cout << "学号：" << student_id << endl;
        cout << "专业：" << major << endl;
        cout << "英语成绩：" << english_score << endl;
        cout << "数学成绩：" << math_score << endl;
    }
};

class Employee : public Person {
protected:
    string department, title;
    float salary;

public:
    Employee(string _dep = "", string _t = "", float _s = 0)
        : department(_dep), title(_t), salary(_s) {}

    void input() {
        Person::input();
        cout << "请输入部门：";
        cin >> department;
        cout << "请输入职称：";
        cin >> title;
        cout << "请输入工资：";
        cin >> salary;
    }

    void output() {
        Person::output();
        cout << "部门：" << department << endl;
        cout << "职称：" << title << endl;
        cout << "工资：" << salary << endl;
    }
};

int main() {
    Person* person;
    int type;
    cout << "请选择要输入的对象类型（0表示学生，1表示职工）：";
    cin >> type;
    if (type == 0) {
        person = new Student;
    } else {
        person = new Employee;
    }
    person->input();
    person->output();
    delete person;
    return 0;
}