public void DocFile(string duongDan)
        {
            StreamReader sr      = new StreamReader(duongDan);
            int          soLuong = int.Parse(sr.ReadLine());

            Mays = new MayMoc[soLuong];
            for (int i = 0; i < soLuong; i++)
            {
                Mays[i] = new MayMoc(sr.ReadLine());
            }
            soLuong   = int.Parse(sr.ReadLine());
            CongViecs = new CongViec[soLuong];
            for (int i = 0; i < soLuong; i++)
            {
                string[] dong = sr.ReadLine().Split(' ');
                CongViecs[i] = new CongViec(dong[0], int.Parse(dong[1]));
            }
            sr.Close();
        }
        public void XuLiPhanCong()
        {
            //Sap xep cong viec theo thu tu giam dan ve thoi gian

            for (int i = 0; i < CongViecs.Length - 1; i++)
            {
                for (int j = i + 1; j < CongViecs.Length; j++)
                {
                    if (CongViecs[i].ThoiGianThucHien < CongViecs[j].ThoiGianThucHien)
                    {
                        CongViec tam = CongViecs[i];
                        CongViecs[i] = CongViecs[j];
                        CongViecs[j] = tam;
                    }
                }
            }

            int thuTuCongViec = 0;

            for (int i = 0; i < Mays.Length; i++)
            {
                if (Mays[i].CacCongViecs.Count == 0)
                {
                    Mays[i].ThemCongViec(CongViecs[thuTuCongViec]);
                    thuTuCongViec++;
                }
            }
            //Tim may nao co tong thoi gian lam viec it nhat roi quang cong viec vao
            for (; thuTuCongViec < CongViecs.Length; thuTuCongViec++)
            {
                int viTriMayCoCongViecItNhat = 0;
                int min = Mays[0].TongThoiGian;
                for (int i = 0; i < Mays.Length; i++)
                {
                    if (Mays[i].TongThoiGian < min)
                    {
                        min = Mays[i].TongThoiGian;
                        viTriMayCoCongViecItNhat = i;
                    }
                }
                Mays[viTriMayCoCongViecItNhat].ThemCongViec(CongViecs[thuTuCongViec]);
            }
        }
 public void ThemCongViec(CongViec a)
 {
     CacCongViecs.Add(a);
     TongThoiGian += a.ThoiGianThucHien;
 }