caita_的专栏

#include using namespace std; class Date {public: Date(int,int,int); Date(int,int); Date(int); Date(); void display(); private: int month; int day; int year;

#include using namespace std; class Date; class Time {public: Time(int,int,int); friend void display(const Date &,const Time &); private: int hour; int minute; int sec;

#include using namespace std; class Product {public: Product(int n,int q,float p):num(n),quantity(q),price(p){}; void total(); static float average(); static void display();

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) {num=n;score=s;} void display() {cout<<num<<" "<<score<<endl;}

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) {num=n;score=s;} void display() {cout<<num<<" "<<score<<endl;}

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) {num=n;score=s;} void display() {cout<<num<<" "<<score<<endl;}

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) const {num=n;score=s;} void display() const {cout<<num<<" "<<

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) {num=n;score=s;} void display() const {cout<<num<<" "<<score<<

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void change(int n,float s) {num=n;score=s;} void display(){cout<<num<<" "<<score<<endl;}

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} int num; float score; }; void main() {Student stud[5]={ Student(1,78.5),Student(

#include using namespace std; class Student {public: Student(int n,float s):num(n),score(s){} void display(); private: int num; float score; }; void Student::display() {c

#include using namespace std; class Date {public: Date(int=1,int=1,int=2005); void display(); private: int month; int day; int year; }; Date::Date(int m,int d,int y):