WarmlyShip/WarmlyShip/FormMapWithSetShip.cs

@@ -55,7 +55,7 @@ namespace WarmlyShip
 			if (form.ShowDialog() == DialogResult.OK)
 			{
 				DrawningObjectShip ship = new(form.SelectedShip);
-				if (_mapShipCollectionGeneric + ship == 1)
+				if (_mapShipCollectionGeneric + ship > -1)
 				{
 					MessageBox.Show("Объект добавлен");
 					pictureBox.Image = _mapShipCollectionGeneric.ShowSet();
@@ -78,7 +78,7 @@ namespace WarmlyShip
 				return;
 			}
 			int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
-			if (_mapShipCollectionGeneric - pos == 1)
+			if (_mapShipCollectionGeneric - pos != null)
 			{
 				MessageBox.Show("Объект удален");
 				pictureBox.Image = _mapShipCollectionGeneric.ShowSet();

WarmlyShip/WarmlyShip/MapWithSetShipGeneric.cs

@@ -32,7 +32,7 @@ namespace WarmlyShip
 			return map._setShips.Insert(ship);
 		}
 
-		public static int operator -(MapWithSetShipGeneric<T, U> map, int position)
+		public static T operator -(MapWithSetShipGeneric<T, U> map, int position)
 		{
 			return map._setShips.Remove(position);
 		}

WarmlyShip/WarmlyShip/SetShipGeneric.cs

@@ -26,25 +26,12 @@ namespace WarmlyShip
 
 		public int Insert(T ship)
 		{
-			if (CanInsert(0))
-			{
-				for (int i = _places.Length - 1; i > 0; --i)
-				{
-					if (_places[i] == null)
-					{
-						_places[i] = _places[i - 1];
-						_places[i - 1] = null;
-					}
-				}
-				_places[0] = ship;
-				return 1;
-			} 
-			return 0;
+			return Insert(ship, 0);
 		}
 
 		public int Insert(T ship, int position)
 		{
-			if (position < 0 || position > _places.Length) return 0;
+			if (position < 0 || position > _places.Length) return -1;
 			if (_places[position] != null && CanInsert(position))
 			{
 				for (int i = _places.Length - 1; i > position; --i)
@@ -57,13 +44,14 @@ namespace WarmlyShip
 				}
 			}
 			_places[position] = ship;
-			return 1;
+			return position;
 		}
 
-		public int Remove(int position)
+		public T Remove(int position)
 		{
+			T DelElement = _places[position];
 			_places[position] = null;
-			return 1;
+			return DelElement;
 		}
 
 		public T Get(int position)