public void Twelvefold3()
{
var tw = new MTwelvefold(3);
Assert.AreEqual(55980, tw.Surjection(10, 3));
Assert.AreEqual(41, tw.Bell(5, 3));
}
static void Main()
{
var h = Array.ConvertAll(Console.ReadLine().Split(), int.Parse);
int n = h[0], k = h[1];
Console.WriteLine(MTwelvefold.Way01(n, k));
}
public void Factorial()
{
var tw = new MTwelvefold(1000);
for (var k = 1; k <= 1000; k++)
{
Assert.AreEqual(tw.MFactorial(k), tw.Surjection(k, k));
}
}
public void Twelvefold5()
{
var tw = new MTwelvefold(5);
Assert.AreEqual(9765625, MTwelvefold.Way01(10, 5));
Assert.AreEqual(42525, tw.Stirling(10, 5));
Assert.AreEqual(30, MTwelvefold.Partition(10, 5));
Assert.AreEqual(7, MTwelvefold.PartitionPositive(10, 5));
}
