public DaThuc truDaThuc(DaThuc a)
{
DaThuc b;
int i, j;
if (bac > a.bac)
{
b = new DaThuc(bac);
for (i = 0; i <= a.bac; i++)
{
b.heso[i] = heso[i] - b.heso[i];
}
for (j = i; j <= bac; i++)
{
b.heso[j] = heso[j];
}
}
else
{
b = new DaThuc(a.bac);
for (i = 0; i <= bac; i++)
{
b.heso[i] = heso[i] - a.heso[i];
}
for (j = i; j <= a.bac; j++)
{
b.heso[j] = a.heso[j];
}
}
return(b);
}
static void Main(string[] args)
{
DaThuc dt = new DaThuc();
Console.WriteLine("\tNhap vao da thuc thu nhat!!! ");
dt.Nhap();
Console.Write("Da thuc vua nhap: ");
dt.Xuat();
DaThuc dt1 = new DaThuc();
Console.WriteLine("\t\nNhap vap da thuc thu hai!!! ");
dt1.Nhap();
Console.Write("Da thuc vua nhap: ");
dt1.Xuat();
Console.Write("\nTong 2 da thuc: ");
DaThuc tong = new DaThuc();
tong = dt.congDaThuc(dt1);
tong.XuatKQ();
Console.Write("\nOperator tong 2 da thuc: ");
tong = dt + dt1;
tong.XuatKQ();
Console.Write("\nHieu 2 da thuc: ");
DaThuc hieu = new DaThuc();
hieu = dt.truDaThuc(dt1);
hieu.Xuat();
Console.Write("\nOperator hieu 2 da thuc: ");
hieu = dt - dt1;
hieu.Xuat();
Console.ReadLine();
}
public static DaThuc operator +(DaThuc a, DaThuc b)
{
DaThuc c = new DaThuc();
for (int i = 0; i <= c.bac; i++)
{
c.heso[i] = a.heso[i] + b.heso[i];
}
return(c);
}
public static DaThuc operator -(DaThuc a, DaThuc b)
{
DaThuc c = new DaThuc();
int maxbac = Math.Max(a.bac, b.bac);
for (int i = 0; i <= c.bac; i++)
{
c.heso[i] = a.heso[i] - b.heso[i];
}
return(c);
}