int[] arr={10,11,12,13,14,15,16,17,18,19}; Stack<int> sil = new Stack<int>(); Stack<int> dbl = new Stack<int>(); for (int i = 0; i <arr.Length; i++) { if (i % 2 == 0) { dbl.Push(arr[i]); } else { sil.Push(arr[i]); } } int[] arrA = sil.ToArray(); int[] arrB = dbl.ToArray(); //æåº Array.Sort(arrA); Array.Sort(arrB); //æµè¯ foreach (int i in arrA) { Console.WriteLine(i); } Console.WriteLine(); foreach (int i in arrB) { Console.WriteLine(i); }