第五章作业

╰半夏微凉° 2022-08-01 01:20 322阅读 0赞

![Center][]                                                                       第五章   作业

1、

\#include <iostream>  
using namespace std;  
class Student\{  
public:  
   void get\_value()  
   \{cin>>num>>name>>sex;\}  
   void display()  
   \{  
    cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
   \}  
private:  
 int num;  
 char name\[10\];  
 char sex;  
\};  
class Student1:public Student\{  
public:  
 void getvalue()  
 \{  
     get\_value();  
  cin>>age>>addr;  
 \}  
 void show()  
 \{  
  display();  
  cout<<"age:"<<age<<endl;  
  cout<<"address:"<<addr<<endl;  
 \}  
private:  
 int age;  
 char addr\[10\];  
\};  
int main()  
\{  
 Student1 stud;  
 stud.getvalue();  
 stud.show();  
 return 0;  
\}  
![Center 1][]

\#include <iostream>  
using namespace std;  
class Student\{  
public:  
   void get\_value()  
   \{cin>>num>>name>>sex;\}  
   void display()  
   \{  
    cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
   \}  
private:  
 int num;  
 char name\[10\];  
 char sex;  
\};  
class Student1:private Student\{  
public:  
 void getvalue()  
 \{  
     get\_value();  
  cin>>age>>addr;  
 \}  
 void show()  
 \{  
  display();  
  cout<<"age:"<<age<<endl;  
  cout<<"address:"<<addr<<endl;  
 \}  
private:  
 int age;  
 char addr\[10\];  
\};  
int main()  
\{  
 Student1 stud;  
 stud.getvalue();  
 stud.show();  
 return 0;  
\}

![Center 2][]

3.\#include <iostream>  
using namespace std;  
class Student\{  
public:  
   void get\_value()  
   \{cin>>num>>name>>sex;\}  
   void display()  
   \{  
    cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
   \}  
protected:  
 int num;  
 char name\[10\];  
 char sex;  
\};  
class Student1:protected Student\{  
public:  
 void getvalue()  
 \{  
     get\_value();  
  cin>>age>>addr;  
 \}  
 void show()  
 \{  
  cout<<"num:"<<num<<endl;  
  cout<<"name:"<<name<<endl;  
  cout<<"sex:"<<sex<<endl;  
  cout<<"age:"<<age<<endl;  
  cout<<"address:"<<addr<<endl;  
 \}  
private:  
 int age;  
 char addr\[10\];  
\};  
int main()  
\{  
 Student1 stud;  
 stud.getvalue();  
 stud.show();  
 return 0;  
\}

![Center 3][]

\#include <iostream>  
using namespace std;  
class Student\{  
public:  
   void get\_value()  
   \{cin>>num>>name>>sex;\}  
   void display()  
   \{  
    cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
   \}  
protected:  
 int num;  
 char name\[10\];  
 char sex;  
\};  
class Student1:public Student\{  
public:  
 void getvalue()  
 \{  
     get\_value();  
  cin>>age>>addr;  
 \}  
 void show()  
 \{  
  cout<<"num:"<<num<<endl;  
  cout<<"name:"<<name<<endl;  
  cout<<"sex:"<<sex<<endl;  
  cout<<"age:"<<age<<endl;  
  cout<<"address:"<<addr<<endl;  
 \}  
private:  
 int age;  
 char addr\[10\];  
\};  
int main()  
\{  
 Student1 stud;  
 stud.getvalue();  
 stud.show();  
 return 0;  
\}

![Center 4][]

5、

\#include <iostream>  
using namespace std;  
class Student\{  
public:  
   void get\_value()  
   \{cin>>num>>name>>sex;\}  
   void display()  
   \{  
    cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
   \}  
protected:  
 int num;  
 char name\[10\];  
 char sex;  
\};  
class Student1:public Student\{  
public:  
 void getvalue()  
 \{  
     get\_value();  
  cin>>age>>addr;  
 \}  
 void show()  
 \{  
  cout<<"num:"<<num<<endl;  
  cout<<"name:"<<name<<endl;  
  cout<<"sex:"<<sex<<endl;  
  cout<<"age:"<<age<<endl;  
  cout<<"address:"<<addr<<endl;  
 \}  
private:  
 int age;  
 char addr\[10\];  
\};  
int main()  
\{  
 Student1 stud;  
 stud.getvalue();  
 stud.show();  
 return 0;  
\}![Center 5][]

5. \#include <iostream>  
using namespace std;  
class A  
\{  
public:  
 void f1();  
 int i;  
protected:  
 void f2();  
 int j;  
private:  
 int k;  
\};  
class B:public A  
\{  
public:  
 void f3();  
protected:  
 int m;  
private:  
 int n;  
\};  
class C:public B  
\{  
public:  
 void f4();  
private:  
 int p;  
\};  
int main()  
\{  
 A a1;  
 B b1;  
 C c1;  
 return 0;  
\}

![Center 6][]

6、

\#include <iostream>  
using namespace std;  
class A  
\{  
public:  
 void f1();  
protected:  
 void f2();  
private:  
 int i;  
\};  
class B:public A  
\{  
public:  
 void f3();  
 int k;  
private:  
 int m;  
\};  
class C:protected B  
\{  
public:  
 void f4();  
protected:  
 int n;  
private:  
 int p;  
\};  
class D:private C  
\{  
public:  
 void f5();  
protected:  
 int q;  
private:  
 int r;  
\};  
int main()  
\{  
 A a1;  
 B b1;  
 C c1;  
 D d1;  
 return 0;  
\}

![Center 6][]

7、

\#include <iostream>  
using namespace std;  
class A  
\{  
public:  
 A()\{a=0;b=0;\}  
 A(int i)\{a=i;b=0;\}  
 A(int i,int j)\{a=i;b=j;\}  
 void display()  
 \{cout<<"a="<<a<<endl;  
 cout<<"b="<<b<<endl;\}  
private:  
 int a;  
 int b;  
\};  
class B:public A  
\{  
public:  
 B()\{c=0;\}  
 B(int i):A(i)\{c=0;\}  
 B(int i,int j):A(i,j)\{c=0;\}  
 B(int i,int j,int k):A(i,j)\{c=k;\}  
 void show()  
 \{  
  display();  
  cout<<"c="<<c<<endl;  
 \}  
private:  
 int c;  
\};  
int main()  
\{  
 B b1;  
 B b2(1);  
 B b3(1,2);  
 B b4(1,2,3);  
 b1.show();  
 b2.show();  
 b3.show();  
 b4.show();  
 return 0;  
\}

![Center 7][]

8、 \#include <iostream>  
using namespace std;  
class A  
\{  
public:  
 A()\{cout<<"constructing A "<<endl;\}  
 ~A()\{cout<<"destructing A "<<endl;\}  
\};  
class B:public A  
\{  
public:  
 B()\{cout<<"constructing B "<<endl;\}  
 ~B()\{cout<<"destructing B "<<endl;\}  
\};  
class C:public B\{  
public:  
 C()\{cout<<"constructing C "<<endl;\}  
 ~C()\{cout<<"destructing C "<<endl;\}  
\};  
int main()  
\{  
 C c1;  
 return 0;  
\}![Center 8][]

\#include <string>  
\#include <iostream>  
using namespace std;  
class Teacher\{  
public:  
 Teacher(string nam,int a,char s,string ti,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 ti,string ad,string t)  
\{  
 name=nam;  
    age=a;  
    sex=s;  
    title=t;  
    addr=ad;  
    tel=t;  
\}  
void Teacher::display()  
\{  
 cout<<"name:"<<name<<endl;  
 cout<<"age:"<<age<<endl;  
 cout<<"sex:"<<sex<<endl;  
 cout<<"title:"<<title<<endl;  
 cout<<"addr:"<<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<<"addr:"<<addr<<endl;  
 cout<<"tel:"<<tel<<endl;  
\}  
class Teacher\_Cadre:public Teacher,public Cadre  
\{  
public:  
 Teacher\_Cadre(string nam,int a,char s,string ti,string p,string ad,string t,float w);  
    void show();  
private:  
 float wage;  
\};  
Teacher\_Cadre::Teacher\_Cadre(string nam,int a,char s,string ti,string p,string ad,string t,float w):  
Teacher(nam,a,s,ti,ad,t),Cadre(nam,a,s,p,ad,t),wage(w)\{\}  
void Teacher\_Cadre::show()  
\{  
 Teacher::display();  
 cout<<"post:"<<Cadre::post<<endl;  
 cout<<"wage:"<<wage<<endl;  
\}  
int main()  
\{  
 Teacher\_Cadre tc("yenianfeng",20,'m',"xuesheng","nanchang","100086","lihang",10000);  
 tc.show();  
 return 0;  
\}

![Center][]

\#include <string>  
\#include <iostream>  
using namespace std;  
class Teacher\{  
public:  
 Teacher(int,string,char);  
 void display();  
private:  
 int num;  
 string name;  
 char sex;  
\};  
Teacher::Teacher(int n,string nam,char s)  
\{  
 num=n;  
 name=nam;  
 sex=s;  
\}  
void Teacher::display()  
\{  
 cout<<"num:"<<num<<endl;  
 cout<<"name:"<<name<<endl;  
 cout<<"sex:"<<sex<<endl;  
\}  
class BirthDate\{  
public:  
 BirthDate(int,int,int);  
 void display();  
 void change(int,int,int);  
private:  
    int year;  
 int month;  
 int day;  
\};  
BirthDate::BirthDate(int y,int m,int d)  
\{  
 year=y;  
 month=m;  
 day=d;  
\}  
void BirthDate::display()  
\{  
 cout<<"year:"<<year<<endl;  
 cout<<"month:"<<month<<endl;  
 cout<<"day:"<<day<<endl;  
\}  
void BirthDate::change(int y,int m,int d)  
\{  
 year=y;  
 month=m;  
 day=d;  
\}  
class Professor:public Teacher  
\{  
public:  
 Professor(int,string,char,int,int,int,float);  
 void display();  
 void change(int,int,int);  
private:  
 float area;  
 BirthDate birthday;  
\};  
Professor::Professor(int n,string nam,char s,int y,int m,int d,float a):  
Teacher(n,nam,s),birthday(y,m,d),area(a)\{\}  
void Professor::display()  
\{  
 Teacher::display();  
 birthday.display();  
 cout<<"area:"<<area<<endl;

\}  
void Professor::change(int y,int m,int d)  
\{  
 birthday.change(y,m,d);  
\}  
int main()  
\{  
 Professor prof1(1,"yenianfeng ",'m',1995,5,28,100);  
 prof1.display();  
 prof1.change(2008,3,3);  
 prof1.display();  
 return 0;  
\}

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