public void TestMethod4()
{
Calculate c = new Calculate();
BigInteger result = c.CalculateFactorial(100);
result.ToString();
}
static void Main(string[] args)
{
Calculate c = new Calculate();
BigInteger result = c.CalculateFactorial(100);
double sum = 0;
char[] array = result.ToString().ToArray<char>();
foreach (char number in array)
{
sum += Char.GetNumericValue(number);
}
Console.WriteLine(sum);
Console.ReadLine();
}
static void Main(string[] args)
{
var same = new List<int>();
Calculate c = new Calculate();
for (int i = 11; i < 100000; i++)
{
var numbers = ConvertToIntArray(i);
int sum = numbers.Sum(n => (int) c.CalculateFactorial(n));
if (i == sum)
{
same.Add(i);
}
}
foreach (var s in same)
{
Console.WriteLine(s);
}
Console.ReadLine();
}
public void CalculateFactorial_20()
{
Calculate c = new Calculate();
var result = c.CalculateFactorial(20);
Assert.That(new BigInteger((ulong)2432902008176640000), Is.EqualTo(result));
}
public void CalculateFactorial_9()
{
Calculate c = new Calculate();
var result = c.CalculateFactorial(9);
Assert.That(new BigInteger(362880), Is.EqualTo(result));
}
public void TestMethod3()
{
Calculate c = new Calculate();
var result = c.CalculateFactorial(20);
Assert.AreEqual(new BigInteger((ulong)2432902008176640000), result);
}
public void TestMethod2()
{
Calculate c = new Calculate();
var result = c.CalculateFactorial(10);
Assert.AreEqual(3628800, result);
}
public void TestMethod1()
{
Calculate c = new Calculate();
var result = c.CalculateFactorial(3);
Assert.AreEqual(6, result);
}
