public void HienThiDSNXB(DanhSachAnPham a)
{
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
Console.WriteLine("Danh sach an pham cua nxb: {0} ", item);
Console.WriteLine("==============================");
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
Console.WriteLine(a[i]);
}
}
}
}
public void XoaTheoNXB(DanhSachAnPham a)
{
string nhap;
Console.WriteLine("Nhap ten NXB can xoa!!(NXBGD,NXBVN,NXBKD,etc...");
nhap = Console.ReadLine();
for (int j = 0; j < 2; j++)
{
for (int i = 0; i < a.Dai(); i++)
{
if (nhap.CompareTo(a[i].NXB) == 0)
{
a.Xoa(a[i]);
}
}
}
}
public DanhSachAnPham TimTCBVMin(DanhSachAnPham a)
{
DanhSachAnPham ds = TimDSTapChi(a);
DanhSachAnPham kq = new DanhSachAnPham();
int min = ds.TimMinBV();
for (int i = 0; i < ds.Dai(); i++)
{
if (ds[i] is TapChi)
{
TapChi tc = (TapChi)ds[i];
if (tc.SoBaiViet == min)
{
kq.Them(ds[i]);
}
}
}
return(kq);
}
public void HienThiDanhSachNXBMin(DanhSachAnPham a)
{
int min = TimNXBMin(a);
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
int dem = 0;
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
dem++;
}
}
if (dem == min)
{
Console.WriteLine("NXB It an pham nhat la: {0}, voi so an pham la: {1}", item, dem);
}
}
}
private int TimNXBMin(DanhSachAnPham a)
{
int min = int.MaxValue;
DSNXB = LayDSNXB(a);
foreach (var item in DSNXB)
{
int dem = 0;
for (int i = 0; i < a.Dai(); i++)
{
if (item.CompareTo(a[i].NXB) == 0)
{
dem++;
}
}
if (dem < min)
{
min = dem;
}
}
return(min);
}