Пример #1
0
 /// <summary>
 /// n! means n × (n − 1) × ... × 3 × 2 × 1
 /// For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800,
 /// and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.
 /// Find the sum of the digits in the number 100!
 /// </summary>
 /// <returns></returns>
 public string Compute()
 {
     return(MathLibrary.SumDigits(MathLibrary.BigFactorial(100)).ToString());
 }