static void Main(string[] args)
{
DIEM a = new DIEM(); a.nhap(); a.hien();
DIEM b = new DIEM(); b.nhap(); b.hien();
Console.WriteLine("khoang cach la" + a.khoangcach(b));
Console.ReadKey();
}
static void Main(string[] args)
{
Console.InputEncoding = Encoding.UTF8;
Console.OutputEncoding = Encoding.UTF8;
DIEM a = new DIEM(); a.nhap(); a.hien();
DIEM b = new DIEM(); b.nhap(); b.hien();
Console.WriteLine("khoảng cách là: " + a.khoangcach(b));
Console.ReadKey();
}
