using System;
public class Program
{
public static void Main()
Console.WriteLine("Berechnung");
double lo = berechnen(100);
Console.WriteLine("Ergebnis: "+lo);
}
static double berechnen(int count)
double loesung = 1;
for (double i = 1; i<= count; i++)
{ if (i%2==0)
loesung = loesung*i;
} else
loesung=loesung/i;
return loesung;