C++第5次上机作业

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项目1-----龙三：

#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)  {  public:      Student(string s, int g):Person(s) // (2)参考教材P169加底纹部分      {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;  }

运行结果：

项目3 - 职员薪水

（1）问题及代码：

#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 a;a=(m_nSex)?"男":"女";cout<<"姓名："<<m_szName<<endl;cout<<"身份证号："<<m_szId<<endl;cout<<"性别："<<a<<endl;cout<<"年龄："<<m_nAge<<endl;}};    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<<"部门："<<m_szDepartment<<endl;cout<<"薪水："<<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;      CEmployee employee1(name,id,sex,age,department,salary);      employee1.Show2();      return 0;  }

（2）运行结果：

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