text: #include "header.h"
  
  int main() {
    SACH a[100];
    int n;
  
    cout << "Nhap so luong sach: ";
    cin >> n;
    nhapDanhSachSach(a, n);
  
    cout << "Cac quyen sach xuat ban nam 2020:" << endl;
    xuatDSSach2020(a, n);
  
    cout << "Cac quyen sach co gia 100K toi 300K:" << endl;
    xuatDSSachGiaFrom100kTo300k(a, n);
  
    cout << "Cac quyen sach co ma bat dau bang T la:" << endl;
    xuatDSSachMaT(a, n);
  
    cout << "Sach co ma \"TH001\" la:";
    xuatSachMaTH001(a, n);
    return 0;
  }
  