[YTU]_2444(C++习题 对象转换)
题目描述
定义一个Teacher(教师)类(教师号,姓名,性别,薪金)和一个Student(学生)类(学号,姓名,性别,成绩),二者有一部分数据成员是相同的,num(号码),name(姓名),sex(性别)。编写程序,将一个Student对象(学生)转换为Teacher(教师)类,只将以上3个相同的数据成员移植过去。可以设想为: 一位学生大学毕业了,留校担任教师,他原有的部分数据对现在的教师身份来说仍然是有用的,应当保留并成为其教师数据的一部分。
输入
一个教师的信息和一个学生的信息
输出
学生的信息和学生转换为教师后的信息
样例输入
10001 Li f 1234.5
20010 Wang m 89.5
样例输出
student1: num:20010 name:Wang sex:m score:89.50 teacher2: num:20010 name:Wang sex:m pay:1500.00#include <iostream> #include <iomanip> #include <cstring> using namespace std; class Student { private: float score; public: int num; char name[20]; char sex; Student(){}; Student(int n1,char n[20],char s1,float s):num(n1),sex(s1),score(s) { strcpy(name,n); } void display(); }; class Teacher { public: Teacher(); Teacher(int n1,char n[20],float s,float p):num(n1),sex(s),pay(p){strcpy(name,n);} int num; char name[20]; char sex; void setpay(float p){pay=p;} void display(); Teacher(Student &s) { num=s.num; strcpy(name,s.name); sex=s.sex; } private: float pay; }; void Student::display() {cout<<"num:"<<num<<endl<<"name:"<<name<<endl<<"sex:"<<sex<<endl<<"score:"<<score<<endl;} void Teacher::display() {cout<<"num:"<<num<<endl<<"name:"<<name<<endl<<"sex:"<<sex<<endl<<"pay:"<<pay<<endl;} int main() { cout<<setiosflags(ios::fixed); cout<<setprecision(2); int num; char name[20]; char sex; float score; float pay; cin>>num>>name>>sex>>pay; Teacher teacher1(num,name,sex,pay); cin>>num>>name>>sex>>score; Student student1(num,name,sex,score); cout<<"student1:"<<endl; student1.display(); Teacher teacher2=Teacher(student1); teacher2.setpay(1500); cout<<"teacher2:"<<endl; teacher2.display(); return 0; }