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petromaxa

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Dec 11th, 2012
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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. namespace _3.Problem_Trapetzoid
  7. {
  8. class Program
  9. {
  10. static void Main()
  11. {
  12. int N = int.Parse(Console.ReadLine());
  13. char[] line = new char[2 * N];
  14. for (int i = 0; i < 2*N; i++)
  15. {
  16. line[i] = '.';
  17. }
  18. for (int i = 0; i < N+1; i++)
  19. {
  20. if (i == 0)
  21. {
  22. for (int p = N; p < 2 * N; p++)
  23. {
  24. line[p] = '*';
  25. }
  26. }
  27. else if (i == 1)
  28. {
  29. for (int p = N; p < (2 * N)-1; p++)
  30. {
  31. line[p] = '.';
  32. }
  33. line[N - i] = '*';
  34. }
  35. else if (i == N)
  36. {
  37. for (int p = 0; p < 2 * N; p++)
  38. {
  39. line[p] = '*';
  40. }
  41. }
  42. else
  43. {
  44. line[N - i] = '*';
  45. line[N - i + 1] = '.';
  46. line[(2 * N) - 1] = '*';
  47. }
  48. for (int p = 0; p < 2*N; p++)
  49. {
  50. Console.Write(line[p]);
  51. }
  52. Console.WriteLine();
  53. }
  54. }
  55. }
  56. }
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