static void Main()
{
double selection;
do
{
Console.WriteLine("4,1 CUSTOM SORT.");
Console.WriteLine("4,2 CUSTOM SORT DEMO.");
Console.WriteLine("4,3 SORTING UNIT.");
Console.WriteLine("4,4 NUMBER ARRAY SUM.");
Console.WriteLine("4,5 TO INT OR NOT TO INT?");
Console.WriteLine("4,6 I SEEK YOU.");
Console.WriteLine("0 Exit.");
Console.WriteLine();
if (double.TryParse(Console.ReadLine(), out selection))
{
switch (selection)
{
case 4.1:
CustomSort.ShowFirstTask();
break;
case 4.2:
CustomSort.ShowSecondTask();
break;
case 4.3:
SortingUnit.Show();
break;
case 4.4:
NumberArraySum.ShowFourthTask();
break;
case 4.5:
NumberArraySum.ShowFifthTask();
break;
case 4.6:
ISeekYou.Show();
break;
case 0:
break;
}
}
} while (selection != 0);
}
public static void ConsoleInterface()
{
//Initializing array
int[] array = new int[128000];
Initialize(array);
//Show(array);
Stopwatch sw = new Stopwatch();
long[] timeIntervals = new long[50];
Func <int, int, int> deleg = delegate(int first, int second)
{
if (first > second)
{
return(1);
}
else if (first < second)
{
return(-1);
}
return(0);
};
int result = -1;
Console.WriteLine("Using simple method.");
for (int i = 0; i < 50; i++)
{
sw.Reset();
sw.Start();
//Simple method
result = ISeekYou <int> .BinarySearch(array, 100);
sw.Stop();
timeIntervals[i] = sw.ElapsedMilliseconds;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Average elapsed time: " + timeIntervals.Average());
Console.WriteLine("Using method with an instance of delegate.");
for (int i = 0; i < 50; i++)
{
sw.Reset();
sw.Start();
//Instance of delegate
result = ISeekYou <int> .BinarySearch(array, 100, deleg);
sw.Stop();
timeIntervals[i] = sw.ElapsedMilliseconds;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Average elapsed time: " + timeIntervals.Average());
Console.WriteLine("Using method with an anonymous method.");
for (int i = 0; i < 50; i++)
{
sw.Reset();
sw.Start();
//Anonymous method
result = ISeekYou <int> .BinarySearch(array, 100, delegate(int first, int second) {
if (first > second)
{
return(1);
}
else if (first < second)
{
return(-1);
}
return(0);
});
sw.Stop();
timeIntervals[i] = sw.ElapsedMilliseconds;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Average elapsed time: " + timeIntervals.Average());
Console.WriteLine("Using method with a lambda expression.");
for (int i = 0; i < 50; i++)
{
sw.Reset();
sw.Start();
//Lambda expression
result = ISeekYou <int> .BinarySearch(array, 100, (first, second) => (first > second ? 1: first < second? -1 : 0));
sw.Stop();
timeIntervals[i] = sw.ElapsedMilliseconds;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Average elapsed time: " + timeIntervals.Average());
Console.WriteLine("Using LINQ.");
for (int i = 0; i < 50; i++)
{
sw.Reset();
sw.Start();
//LINQ
var result2 = from item in array
where item == 100
select item;
sw.Stop();
timeIntervals[i] = sw.ElapsedMilliseconds;
}
Console.WriteLine("Result: " + result);
Console.WriteLine("Average elapsed time: " + timeIntervals.Average());
}