tests/test-729.cs

   1 using System;
   2
   3 namespace Primes
   4 {
   5         class MainClass
   6         {
   7                 public static int Main ()
   8                 {
   9                         const ulong max = 5;
  10                         bool[] numbers = new bool[max];
  11
  12                         for (ulong i = 0; i < max; i++)
  13                                 numbers[i] = true;
  14
  15                         for (ulong j = 1; j < max; j++)
  16                                 for (ulong k = (j + 1) * 2; k < max; k += j + 1)
  17                                         numbers[k] = false;
  18
  19                         for (ulong i = 0; i < max; i++)
  20                                 if (numbers[i])
  21                                         Console.WriteLine (i + 1);
  22
  23                         return 0;
  24                 }
  25         }
  26 }