using namespace std;

​

class Book

{

private:

    int current_page_;

    void set_percent();

public:

    Book(const string& title, int total_page);

    Book(const Book&);  // 복사 생성자의 원형 정의 

    string title_;

    int total_page_;

    double percent_;

    void Move(int page);

    void Open();

    void Read();

};

​

int main(void)

{

    Book web_book("HTML과 CSS", 350);

    Book html_book(web_book);

    cout << "첫 번째 책의 제목은 " << web_book.title_ << "이고, 총 페이지는 " << web_book.total_page_ << "장입니다." << endl;

    cout << "두 번째 책의 제목은 " << html_book.title_ << "이고, 총 페이지는 " << html_book.total_page_ << "장입니다.";

    return 0;

}

​

Book::Book(const string& title, int total_page)

{

    title_ = title;

    total_page_ = total_page;

    current_page_ = 0;

    set_percent();

}

​

Book::Book(const Book& origin)  // 복사 생성자의 선언 

{

    title_ = origin.title_;

    total_page_ = origin.total_page_;

    current_page_ = origin.current_page_;

    percent_ = origin.percent_;

}

​

void Book::set_percent()

{

    percent_ = (double) current_page_ / total_page_ * 100;

}