c++的第四次实验:作业

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【项目1 - 龙三】

请在下面程序的横线处填上适当内容,以使程序完整,并使程序的输出为:
Name: 龙三

Grade: 19

#include <iostream>  #include <string>  using namespace std;  class Person{  public:      Person(string s){          name=s;      }      void display( ){          cout<<"Name: "<<name<<endl;      }  private:      string name;  };  class Student:public Person//(1)参考教材P169加底纹部分  {  public:      Student(string s, int g):Person(s) // (2)      {grade=g;}      void display1( ) {          display();   //  (3)          cout<<"Grade: "<<grade<<endl;      }  private:      int grade;  };  int main( )  {      Student s("龙三",19);      s.display1();       //  (4)      return 0;  }     
【项目3 - 职员薪水】
   定义一个名为CPerson的类,有以下私有成员:姓名、身份证号、性别和年龄,成员函数:构造函数、输出信息的函数。并在此基础上派生出CEmployee类,派生类CEmployee增加了两个新的数据成员,分别用于表示部门和薪水。要求派生类CEmployee的构造函数显示调用基类CPerson的构造函数,并为派生类CEmployee定义输出信息的函数。
#include<iostream>  #include<string>    using namespace std;    class CPerson  {  protected:      string m_szName;      string m_szId;      int m_nSex;//0:女,1:男      int m_nAge;  public:      CPerson(string name,string id,int sex,int age):m_szName(name),m_szId(id),m_nSex(sex),m_nAge(age){}      void Show1()      {          string sex=(m_nSex)?"男":"女";          cout<<m_szName<<"   "<<m_szId<<"      "<<sex<<"      "<<m_nAge;      }  };    class CEmployee:public CPerson  {  private:      string m_szDepartment;      double m_Salary;  public:      CEmployee(string name,string id,int sex,int age,string department,double salary):CPerson(name,id,sex,age)      {          m_szDepartment=department;          m_Salary=salary;      }      void Show2()      {          Show1();          cout<<"  "<<m_szDepartment<<"    "<<m_Salary<<endl;      }  };    int main()  {      string name,id,department;      int sex,age;      double salary;      cout<<"请输入雇员的姓名,ID,性别(0:女,1:男),年龄,部门,薪水:\n";      cin>>name>>id>>sex>>age>>department>>salary;      cout<<"姓名    ID    性别    年龄    部门    薪水"<<endl;      CEmployee employee1(name,id,sex,age,department,salary);      employee1.Show2();      return 0;  }  


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