（c++）类多重继承和派生 - person、student、teacher和graduate类

DescriptionPerson类包含私有成员数据姓名name（string），编号code（int）和出生年月日。Student类包含私有成员数据姓名name（string），编号code（int），出生年月日和分数score（int）。Teacher类包含私有成员数据姓名name（string），编号code（int），出生年月日和所在系department（string）。Graduate类包含私有成员数据姓名name（string），编号code（int），出生年月日，分数score（int）和所在系department（string）。
请根据给定的main函数以及运行结果设计相应的类及相互间的继承关系。
main函数已给定（如下所示），提交时只需要提交main函数外的代码部分。
int main()
{
string name,department;
int Cas=0,code,year,month,day,score;

while(cin>>name>>code>>year>>month>>day>>score>>department)
{Cas++;cout<<"CASE #"<<Cas<<":"<<endl;Person person(name,code,year,month,day);Student student(name,code,year,month,day,score);Teacher teacher(name,code,year,month,day,department);Graduate graduate(name,code,year,month,day,score,department);Show(&person);Show(&student);Show(&teacher);Show(&graduate);
}
return 0;

}

Input包含多组数据（数据均正确合法）
每组测试数据1行，分别表示姓名，编号，出生日期，分数和部门。

Output每组测试数据输出具体格式详见Sample Output。
Sample Input
张三 201506 1978 6 14 85 计算机
王大夫 2012510 1984 6 7 82 机械
殷文琦 1005210 1980 2 4 86 电信
Sample Output
CASE #1:
Person::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Person::Constructor Function is called.
Teacher::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Teacher::Constructor Function is called.
Graduate::Constructor Function is called.
Show Function is called.
Person::Show Function is called.
NAME:张三 Code:201506 BIRTHDAY:1978-6-14
Show Function is called.
Student::Show Function is called.
NAME:张三 Code:201506 SCORE:85 BIRTHDAY:1978-6-14
Show Function is called.
Teacher::Show Function is called.
NAME:张三 Code:201506 DEPARTMENT:计算机 BIRTHDAY:1978-6-14
Show Function is called.
Graduate::Show Function is called.
NAME:张三 Code:201506 SCORE:85 DEPARTMENT:计算机 BIRTHDAY:1978-6-14
CASE #2:
Person::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Person::Constructor Function is called.
Teacher::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Teacher::Constructor Function is called.
Graduate::Constructor Function is called.
Show Function is called.
Person::Show Function is called.
NAME:王大夫 Code:2012510 BIRTHDAY:1984-6-7
Show Function is called.
Student::Show Function is called.
NAME:王大夫 Code:2012510 SCORE:82 BIRTHDAY:1984-6-7
Show Function is called.
Teacher::Show Function is called.
NAME:王大夫 Code:2012510 DEPARTMENT:机械 BIRTHDAY:1984-6-7
Show Function is called.
Graduate::Show Function is called.
NAME:王大夫 Code:2012510 SCORE:82 DEPARTMENT:机械 BIRTHDAY:1984-6-7
CASE #3:
Person::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Person::Constructor Function is called.
Teacher::Constructor Function is called.
Person::Constructor Function is called.
Student::Constructor Function is called.
Teacher::Constructor Function is called.
Graduate::Constructor Function is called.
Show Function is called.
Person::Show Function is called.
NAME:殷文琦 Code:1005210 BIRTHDAY:1980-2-4
Show Function is called.
Student::Show Function is called.
NAME:殷文琦 Code:1005210 SCORE:86 BIRTHDAY:1980-2-4
Show Function is called.
Teacher::Show Function is called.
NAME:殷文琦 Code:1005210 DEPARTMENT:电信 BIRTHDAY:1980-2-4
Show Function is called.
Graduate::Show Function is called.
NAME:殷文琦 Code:1005210 SCORE:86 DEPARTMENT:电信 BIRTHDAY:1980-2-4

AC代码：

#include<bits/stdc++.h>
using namespace std;
class Person
{public:string name;int code,year,month,day;Person(string &n,int c,int y,int m,int d);virtual void show();//虚函数，便于基类指针访问各派生类的函数
};
Person::Person(string &n,int c,int y,int m,int d):name(n),code(c),year(y),month(m),day(d){cout<<"Person::Constructor Function is called."<<endl;
}
void Person::show(){cout<<"Person::Show Function is called."<<endl;cout<<"NAME:"<<name<<" Code:"<<code<<" BIRTHDAY:"<<year<<'-'<<month<<'-'<<day<<endl;
}
class Student:virtual public Person
{public:int score;Student(string &n,int c,int y,int m,int d,int s);void show();
};
Student::Student(string &n,int c,int y,int m,int d,int s):Person(n,c,y,m,d),score(s){cout<<"Student::Constructor Function is called."<<endl;
}
void Student::show(){cout<<"Student::Show Function is called."<<endl;cout<<"NAME:"<<name<<" Code:"<<code<<" SCORE:"<<score<<" BIRTHDAY:"<<year<<'-'<<month<<'-'<<day<<endl;
}
class Teacher:virtual public Person//虚基类，只生成一个副本，避免二义性且提高效率
{public:string department;Teacher(string &n,int c,int y,int m,int d,string &depar);void show();
};
Teacher::Teacher(string &n,int c,int y,int m,int d,string &depar):Person(n,c,y,m,d),department(depar){cout<<"Teacher::Constructor Function is called."<<endl;
}
void Teacher::show(){cout<<"Teacher::Show Function is called."<<endl;cout<<"NAME:"<<name<<" Code:"<<code<<" DEPARTMENT:"<<department<<" BIRTHDAY:"<<year<<'-'<<month<<'-'<<day<<endl;
}
class Graduate: public Student,public Teacher
{public:Graduate(string &n,int c,int y,int m,int d,int s,string &depar);void show();
};
Graduate::Graduate(string &n,int c,int y,int m,int d,int s,string &depar):Person(n,c,y,m,d),Student(n,c,y,m,d,s),Teacher(n,c,y,m,d,depar){cout<<"Graduate::Constructor Function is called."<<endl;
}//由于是单独建立的副本，故需要单独对这个基类初始化；还有，基类成员不属于派生类，需要用构造函数对基类成员初始化
void Graduate::show(){cout<<"Graduate::Show Function is called."<<endl;cout<<"NAME:"<<name<<" Code:"<<code<<" SCORE:"<<score<<" DEPARTMENT:"<<department<<" BIRTHDAY:"<<year<<'-'<<month<<'-'<<day<<endl;
}
void Show(Person* p)
{cout<<"Show Function is called."<<endl;p->show();
}

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