第五章

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第一题

#include<iostream>

#include<string>

using namespace std;

class Student

{public:

void get_value()

{

cin>>num>>name>>sec;

}

void display()

{

cout<<"num:"<<num<<endl;

cout<<"name:"<<name<<endl;

cout<<"sec:"<<sec<<endl;

}

private:

int num;

string name;

char sec;

};

class Student1:public Student

{public:

void get_value_1()

{

cin>>age>>addr;

}

void display_1()

{

cout<<"age:"<<age<<endl;

cout<<"addr:"<<addr<<endl;

}

private:

int age;

string addr;

};

int main()

{

cout<<"请输入学号，名字，性别，年龄和地址:"<<endl;

Student1 stud;

stud.get_value();

stud.get_value_1();

stud.display();

stud.display_1();

return 0;

}

第二题

#include<iostream>

#include<string>

using namespace std;

class Student

{public:

void get_value()

{

cin>>num>>name>>sec;

}

void display()

{

cout<<"num:"<<num<<endl;

cout<<"name:"<<name<<endl;

cout<<"sec:"<<sec<<endl;

}

private:

int num;

string name;

char sec;

};

class Student1:private Student

{public:

void get_value_1()

{

get_value();

cin>>age>>addr;

}

void display_1()

{

display();

cout<<"age:"<<age<<endl;

cout<<"addr:"<<addr<<endl;

}

private:

int age;

string addr;

};

int main()

{

cout<<"请输入学号，名字，性别，年龄和地址:"<<endl;

Student1 stud;

stud.get_value_1();

stud.display_1();

return 0;

}

第三题

#include<iostream>

#include<string>

using namespace std;

class Student

{public:

void get_value()

{

cin>>num>>name>>sec;

}

protected:

int num;

string name;

char sec;

};

class Student1:protected Student

{public:

void get_value_1()

{

get_value();

cin>>age>>addr;

}

void display_1()

{

cout<<"num:"<<num<<endl;

cout<<"name:"<<name<<endl;

cout<<"sec:"<<sec<<endl;

cout<<"age:"<<age<<endl;

cout<<"addr:"<<addr<<endl;

}

private:

int age;

string addr;

};

int main()

{

cout<<"请输入学号，名字，性别，年龄和地址:"<<endl;

Student1 stud;

stud.get_value_1();

stud.display_1();

return 0;

}

第四题

#include<iostream>

#include<string>

using namespace std;

class Student

{public:

void get_value()

{

cin>>num>>name>>sec;

}

protected:

int num;

string name;

char sec;

};

class Student1:public Student

{public:

void get_value_1()

{

cin>>age>>addr;

}

void display_1()

{

cout<<"num:"<<num<<endl;

cout<<"name:"<<name<<endl;

cout<<"sec:"<<sec<<endl;

cout<<"age:"<<age<<endl;

cout<<"addr:"<<addr<<endl;

}

private:

int age;

string addr;

};

int main()

{

cout<<"请输入学号，名字，性别，年龄和地址:"<<endl;

Student1 stud;

stud.get_value();

stud.get_value_1();

stud.display_1();

return 0;

}

第九题

#include<string>

#include <iostream>

using namespace std;

class Teacher

{public:

Teacher(string nam,int a,char s,string tit,string ad,string t);

void display();

protected:

string name;

int age;

char sex;

string title;

string addr;

string tel;

};

Teacher::Teacher(string nam,int a,char s,string tit,string ad,string t): name(nam),age(a),sex(s),title(tit),addr(ad),tel(t){ }

void Teacher::display()

{

cout<<"name:"<<name<<endl;

cout<<"age"<<age<<endl;

cout<<"sex:"<<sex<<endl;

cout<<"title:"<<title<<endl;

cout<<"address:"<<addr<<endl;

cout<<"tel:"<<tel<<endl;

}

class Cadre

{public:

Cadre(string nam,int a,char s,string p,string ad,string t);

void display();

protected:

string name;

int age;

char sex;

string post;

string addr;

string tel;

};

Cadre::Cadre(string nam,int a,char s,string p,string ad,string t):name(nam),age(a),sex(s),post(p),addr(ad),tel(t){}

void Cadre::display()

{

cout<<"name:"<<name<<endl;

cout<<"age:"<<age<<endl;

cout<<"sex:"<<sex<<endl;

cout<<"post:"<<post<<endl;

cout<<"address:"<<addr<<endl;

cout<<"tel:"<<tel<<endl;

}

class Teacher_Cadre:public Teacher,public Cadre

{public:

Teacher_Cadre(string nam,int a,char s,string tit,string p,string ad,string t,float w);

void show( );

private:

float wage;

};

Teacher_Cadre::Teacher_Cadre(string nam,int a,char s,string t,string p,string ad,string tel,float w): Teacher(nam,a,s,t,ad,tel),Cadre(nam,a,s,p,ad,tel),wage(w) {}

void Teacher_Cadre::show( )

{

Teacher::display();

cout<<"post:"<<Cadre::post<<endl;

cout<<"wages:"<<wage<<endl;

}

int main( )

{

Teacher_Cadre te_ca("Zhang-li",40,'m',"prof.","president","Shanghai","1234567",2500);

te_ca.show( );

return 0;

}

第十题

#include<string>

#include<iostream>

using namespace std;

class Teacher

{public:

Teacher(int n,string nam,char s):num(n),name(nam),sec(s){}

void display()

{

cout<<"num:"<<num<<endl;

cout<<"name:"<<name<<endl;

cout<<"sec:"<<sec<<endl;

}

private:

int num;

string name;

char sec;

};

class Birthday

{public:

Birthday(int y,int m,int d):year(y),month(m),day(d){}

void display()

{

cout<<"birthday:"<<year<<"/"<<month<<"/"<<day<<endl;

}

void change(int y,int m,int d)

{

year=y;

month=m;

day=d;

}

private:

int year;

int month;

int day;

};

class Professor:public Teacher

{public:

Professor(int n,string nam,char s,int y,int m,int d,int a):Teacher(n,nam,s),birthday(y,m,d),age(a){}

void display()

{

Teacher::display();

birthday.display();

cout<<"age:"<<age<<endl;

}

void change(int y,int m,int d)

{

birthday.change(y,m,d);

}

private:

int age;

Birthday birthday;

};

int main()

{

Professor prof1(1001,"Zhangli",'M',1980,8,8,35);

cout<<endl<<"original data:"<<endl;

prof1.display();

cout<<endl<<"new data:"<<endl;

prof1.change(1980,6,1);

prof1.display();

return 0;

}

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