public MangPhanSo TimPhanSoDuong() { MangPhanSo kq = new MangPhanSo(); for (int i = 0; i < length; i++) { if (a[i].tu / a[i].mau > 0) { kq.Them(a[i]); } } return(kq); }
public MangPhanSo TimPhanTuXuatHienNhieuNhat() { MangPhanSo kq = new MangPhanSo(); int max = DemSoLanXuatHienNhieuNhat(); for (int i = 0; i < length; i++) { if (DemSoLanXuatHien(a[i]) == max && !KiemTraTonTai(a[i])) { kq.Them(a[i]); } } return(kq); }