static void Main(string[] args)
{
Console.WriteLine(new Position(2, 4) + new Position(1, 2) + "\n");
Console.WriteLine(new Position(2, 4) - new Position(1, 2) + "\n");
Console.WriteLine(new Position(1, 2) - new Position(3, 6) + "\n");
Console.WriteLine(new Position(3, 5) % new Position(1, 3) + "\n");
SortedPosList list1 = new SortedPosList();
SortedPosList list2 = new SortedPosList();
list1.Add(new Position(3, 7));
list1.Add(new Position(1, 4));
list1.Add(new Position(2, 6));
list1.Add(new Position(2, 3));
Console.WriteLine(list1 + "\n");
list1.Remove(new Position(2, 6));
Console.WriteLine(list1 + "\n");
list2.Add(new Position(3, 7));
list2.Add(new Position(1, 2));
list2.Add(new Position(3, 6));
list2.Add(new Position(2, 3));
Console.WriteLine((list2 + list1) + "\n");
SortedPosList circleList = new SortedPosList();
circleList.Add(new Position(1, 1));
circleList.Add(new Position(2, 2));
circleList.Add(new Position(3, 3));
Console.WriteLine(circleList.CircleContent(new Position(5, 5), 4) + "\n");
}
public static SortedPosList operator -(SortedPosList sp1, SortedPosList sp2)
{
SortedPosList subList = new SortedPosList();
foreach (Position p1 in sp1)
{
subList.Add(p1);
foreach (Position p2 in sp2)
{
if (p1.Equals(p2))
{
subList.Remove(p1);
}
}
}
return(subList);
}