Problem H: C++習題 繼承與組合
Time Limit: 1 Sec Memory Limit:
128 MB
Submit: 750 Solved: 543
[Submit][Status][Web
Board]
Description
已知類如下:
(1) BirthDate(生日類) 含有:year,month,day 等資料成員
(2) Teacher(教師類)含有:num,name,sex 等資料成員
(3) Professor(教授類)含有:教師類和生日類的資料成員
要求:
(1)通過對Teacher和BirthDate使用繼承和組合的方式設計Professor
(2)定義Professor類物件prof,並給出所有資料的初值
(3)修改prof的生日資料
(4)輸出prof的全部最新資料
Input
num,name,sex,year,month,day 和修改後的year,month,day
Output
num,name,sex,year,month,day
Sample Input
2001 Huang m
1970 1 1
1994 5 26
Sample Output
num:2001
name:Huang
sex:m
birthday:1994/5/26
HINT
前置程式碼及型別定義已給定如下,提交時不需要包含,會自動新增到程式前部
/* C++程式碼 */
#include <iostream>
#include <string>
using namespace std;
class BirthDate {
public:
BirthDate(int,int,int);
void display();
void setbirthday(int,int,int);
private:
int year;
int month;
int day;
};
class Teacher
{
public:
Teacher(int,string,char);
void display();
private:
int num;
string name;
char sex;
};
class Professor:public Teacher
{
public:
Professor(int,string,char,BirthDate);
void display();
void setbirthday(int,int,int);
private:
BirthDate birthday;
};
主函式已給定如下,提交時不需要包含,會自動新增到程式尾部
/* C++程式碼 */
int main()
{
int num;
string name;
char sex;
int year,month,day;
cin>>num>>name>>sex;
cin>>year>>month>>day;
Professor prof(num,name,sex,BirthDate(year,month,day));
cin>>year>>month>>day;
prof.setbirthday(year,month,day);
prof.display();
return 0;
}
#include <iostream>
#include <string>
using namespace std;
class BirthDate
{
public:
BirthDate(int,int,int);
void display();
void setbirthday(int,int,int);
private:
int year;
int month;
int day;
};
class Teacher
{
public:
Teacher(int,string,char);
void display();
private:
int num;
string name;
char sex;
};
class Professor:public Teacher
{
public:
Professor(int,string,char,BirthDate);
void display();
void setbirthday(int,int,int);
private:
BirthDate birthday;
};
/* C++程式碼 */
BirthDate::BirthDate(int y,int m,int d):year(y),month(m),day(d) {}
void BirthDate::display()
{
cout<<"birthday:"<<year<<"/"<<month<<"/"<<day<<endl;
}
void BirthDate::setbirthday(int y,int m,int d)
{
year=y;
month=m;
day=d;
}
Teacher::Teacher(int n,string na,char s):num(n),name(na),sex(s) {}
void Teacher::display()
{
cout<<"num:"<<num<<endl;
cout<<"name:"<<name<<endl;
cout<<"sex:"<<sex<<endl;
}
Professor::Professor(int n,string na,char s,BirthDate(b)):Teacher(n,na,s),birthday(b) {}
void Professor::display()
{
Teacher::display();
birthday.display();
}
void Professor::setbirthday(int y,int m,int d)
{
birthday.setbirthday(y,m,d);
}
int main()
{
int num;
string name;
char sex;
int year,month,day;
cin>>num>>name>>sex;
cin>>year>>month>>day;
Professor prof(num,name,sex,BirthDate(year,month,day));
cin>>year>>month>>day;
prof.setbirthday(year,month,day);
prof.display();
return 0;
}