public static void BackSequentialCompare(int countOfElementInArray) { int[] intArray = new int[countOfElementInArray]; double[] doubleArray = new double[countOfElementInArray]; string[] stringArray = new string[countOfElementInArray]; for (int i = countOfElementInArray - 1; i >= 0; i--) { intArray[i] = i; doubleArray[i] = i; stringArray[i] = i.ToString(); } Stopwatch stopwatch = new Stopwatch(); stopwatch.Restart(); InsertionSort <int> .Sort(intArray, Comparer <int> .Default); stopwatch.Stop(); Console.WriteLine("Insert sort result for back sequential int is:{0}", stopwatch.ElapsedMilliseconds); stopwatch.Restart(); InsertionSort <double> .Sort(doubleArray, Comparer <double> .Default); stopwatch.Stop(); Console.WriteLine("Insert sort result for back sequential double is:{0}", stopwatch.ElapsedMilliseconds); stopwatch.Restart(); InsertionSort <string> .Sort(stringArray, Comparer <string> .Default); stopwatch.Stop(); Console.WriteLine("Insert sort result for back sequential string is:{0}", stopwatch.ElapsedMilliseconds); }