public static void QuickSort()
{
int[] arr;
FileToArr(out arr);
Console.WriteLine("- Danh sach ban dau lay tu File:");
Console.WriteLine("[{0}]", string.Join(", ", arr));
Console.WriteLine("- Danh sach sau khi duoc sap xep:");
var sw = Stopwatch.StartNew();
var sorter = new QSort <int>(arr);
sorter.QuickSort(0, arr.Length - 1);
sw.Stop();
Console.WriteLine("[{0}]", string.Join(", ", arr));
Console.WriteLine("Time taken QuickSort: {0} ms", sw.Elapsed.TotalMilliseconds);
var sw1 = Stopwatch.StartNew();
var sorter1 = new QSort <int>(arr);
sorter1.QuickSortDescending(0, arr.Length - 1);
sw1.Stop();
Console.WriteLine("[{0}]", string.Join(", ", arr));
Console.WriteLine("Time taken QuickSort: {0} ms", sw1.Elapsed.TotalMilliseconds);
Console.ReadKey(true);
}
