bai 1

#include <cstdlib>
#include <iostream>

using namespace std;

class Sach {
    protected:
        string tensach,tacgia;
        int sotrang,giaban;
    public:
        void nhap() {
            cout << "Nhap ten sach: "; cin >> tensach;
            cout << "Nhap ten tac gia: "; cin >> tacgia;
            cout << "Nhap so trang: "; cin >> sotrang;
            cout << "Nhap gia ban: "; cin >> giaban;
        };
        void xuat(){
            cout << "\nTen sach: " <<tensach;
            cout << "\nTac gia: "<< tacgia;
            cout << "\nSo trang: "<< sotrang;
            cout << "\nGia ban: "<< giaban;
        };
};

class Bia : public Sach {
    protected:
        string mahinhanh;
        int tienve;
    public:
        void nhap() {
            Sach::nhap();
            cout << "Nhap ma hinh anh: "; cin >> mahinhanh;
            cout << "Nhap tien ve: "; cin >> tienve;
        };
        void xuat(){
            Sach::xuat();
            cout << "\nMa hinh anh: " <<mahinhanh;
            cout << "\nTien ve: " <<tienve;
        };
};

class Hoasy {
    protected:
        string hoten, diachi;
    public:
        void nhap() {
            cout << "Nhap ho ten tac gia: "; cin >> hoten;
            cout << "Nhap dia chi tac gia: "; cin >> diachi;
        }
        void xuat() {
            cout << "\nHo ten tac gia: " <<hoten;
            cout << "\nDia chi: " <<diachi;
        }
};

class Sachvebia : public Bia,Hoasy {
    public:
        void nhap() {
            Bia::nhap();
            Hoasy::nhap();
        };
        void xuat(){
            Bia::xuat();
            Hoasy::xuat();
        };
};

int main(int argc, char *argv[])
{
    int n_vebia,n_kovebia;
    cout << "Nhap so sach ve bia: "; cin>>n_vebia;
    cout << "Nhap so sach khong ve bia: "; cin>>n_kovebia;
    Sachvebia sachB [n_vebia];
    Sach sachK [n_kovebia];
    cout << "=Nhap sach ve bia=\n";
    for (int i=0; i<n_vebia; i++) {
        cout << "*Sach so "<<i<<"\n";
        sachB[i].nhap();
    };
    cout << "=Nhap sach khong ve bia=\n";
    for (int i=0; i<n_vebia; i++) {
        cout << "*Sach so "<<i<<"\n";
        sachK[i].nhap();
    };
    cout << "\n=Xuat sach khong ve bia=\n";
    for (int i=0; i<n_vebia; i++) {
        cout << "*Sach so "<<i<<"\n";
        sachK[i].xuat();
    };
    cout << "\n=Xuat sach khong ve bia=\n";
    for (int i=0; i<n_vebia; i++) {
        cout << "*Sach so "<<i<<"\n";
        sachK[i].xuat();
    };
    system("PAUSE");
    return EXIT_SUCCESS;
}