AirBomber/AirBomber/SetGeneric.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AirBomber
+{
+    internal class SetGeneric<T>
+        where T : class
+    { 
+        private readonly T?[] _places;
+        public int Count => _places.Length;
+        public SetGeneric(int count)
+        {
+            _places = new T?[count];
+        }
+        public int Insert(T plane)
+        {
+            return Insert(plane, 0);
+        }
+        public int Insert(T plane, int position)
+        {
+            int NoEmpty = 0, temp = 0;
+            for (int i = position; i < Count; i++)
+            {
+                if (_places[i] != null) NoEmpty++;
+            }
+            if (NoEmpty == Count - position) return -1;
+
+            if (position < Count && position >= 0)
+            {
+                for (int j = position; j < Count; j++)
+                {
+                    if (_places[j] == null)
+                    {
+                        temp = j;
+                        break;
+                    }
+                }
+
+                for (int i = temp; i > position; i--)
+                {
+                    _places[i] = _places[i - 1];
+                }
+                _places[position] = plane;
+                return position;
+            }
+            return -1;
+        }
+        public bool Remove(int position)
+        {
+            if (!(position >= 0 && position < Count) || _places[position] == null)
+            {
+                return false;
+            }
+            _places[position] = null;
+            return true;
+        }
+        public T? Get(int position)
+        {
+            if (position < 0 || position >= Count)
+            {
+                return null;
+            }
+            return _places[position];
+        }
+    }
+}