1. class CompII
  3. FOUR_MOVE = {[1, 5, 7, 8] => 3, [3, 5, 8, 9] => 1, [1, 2, 5, 7] => 9,
  4. [3, 2, 5, 9] => 7, [7, 4, 5, 9] => 3, [9, 6, 5, 7] => 1,
  5. [1, 4, 5, 3] => 9, [3, 6, 5, 1] => 7, [1, 4, 5, 8] => 9,
  6. [3, 6, 5, 8] => 1, [2, 3, 4, 5] => 7, [4, 5, 8, 9] => 3,
  7. [2, 5, 4, 7] => 3, [2, 5, 6, 9] => 7, [6, 5, 2, 1] => 9,
  8. [6, 5, 8, 7] => 3, [2, 5, 7, 9] => 3, [6, 5, 7, 1] => 9,
  9. [8, 5, 1, 3] => 7, [4, 5, 3, 9] => 1, [3, 4, 5, 8] => 7,
  10. [2, 4, 5, 9] => 1, [2, 5, 6, 7] => 3, [1, 5, 6, 8] => 9}
  12. FOUR_MOVE2 = {[1, 5, 7, 8] => 9, [3, 5, 8, 9] => 7, [1, 2, 5, 7] => 3,
  13. [3, 2, 5, 9] => 1, [7, 4, 5, 9] => 1, [9, 6, 5, 7] => 3,
  14. [1, 4, 5, 3] => 1, [3, 6, 5, 1] => 9, [2, 5, 7, 9] => 1,
  15. [6, 5, 7, 1] => 3, [8, 5, 1, 3] => 9, [4, 5, 3, 9] => 7}
  17. THREE_MOVE = {[1, 2, 5] => 8, [1, 4, 5] => 6, [3, 2, 5] => 8,
  18. [3, 6, 5] => 4, [9, 6, 5] => 4, [9, 8, 5] => 2,
  19. [7, 8, 5] => 2, [7, 4, 5] => 6, [1, 5, 7] => 3,
  20. [3, 5, 9] => 1, [1, 2, 4] => 3, [2, 3, 6] => 1,
  21. [4, 7, 8] => 1, [6, 9, 8] => 3, [1, 4, 8] => 7,
  22. [7, 4, 2] => 1, [2, 5, 7] => 8, [2, 5, 9] => 8,
  23. [8, 5, 1] => 2, [8, 5, 3] => 2, [3, 6, 8] => 9,
  24. [9, 6, 2] => 3, [4, 5, 3] => 6, [4, 5, 9] => 6,
  25. [6, 5, 1] => 4, [6, 5, 7] => 4, [1, 2, 9] => 3,
  26. [1, 4, 9] => 7, [3, 2, 7] => 1, [3, 6, 7] => 9,
  27. [9, 6, 1] => 3, [9, 8, 1] => 7, [7, 4, 3] => 1,
  28. [7, 8, 3] => 9, [2, 5, 4] => 8, [2, 5, 6] => 4,
  29. [8, 5, 4] => 2, [8, 5, 6] => 2, [1, 5, 3] => 7,
  30. [7, 5, 9] => 1, [1, 4, 3] => 2, [2, 3, 9] => 6,
  31. [6, 9, 7] => 8, [7, 8, 1] => 4}
  33. THREE_MOVE2 = {[1, 5, 7] => 9, [3, 5, 9] => 7, [1, 2, 4] => 7, [2, 3, 6] => 9,
  34. [4, 7, 8] => 9, [6, 9, 8] => 7, [2, 5, 4] => 6, [2, 5, 6] => 8,
  35. [8, 5, 4] => 6, [8, 5, 6] => 4, [1, 5, 3] => 9, [7, 5, 9] => 3,
  36. [4, 5, 9] => 1, [1, 4, 8] => 6, [7, 4, 5] => 3, [7, 8, 5] => 3}
  38. TWO_MOVE = {[1, 2] => 3, [1, 4] => 7, [1, 5] => 9, [1, 3] => 2, [1, 7] => 4,
  39. [1, 9] => 5, [3, 2] => 1, [3, 6] => 9, [3, 5] => 7, [3, 9] => 6,
  40. [3, 7] => 5, [7, 4] => 1, [7, 8] => 9, [7, 5] => 3, [7, 9] => 8,
  41. [9, 5] => 1, [9, 6] => 3, [9, 8] => 7, [4, 5] => 6, [5, 6] => 4}
  43. ONE_MOVE = {[1] => [2, 4, 5], [2] => [1, 3, 5], [3] => [2, 6, 5], [4] => [1, 7, 5],
  44. [5] => [1, 2, 3, 4, 6, 7, 8, 9], [6] => [3, 9, 5], [7] => [4, 8, 5],
  45. [8] => [7, 9, 5], [9] => [6, 8, 5]}
  48. def comp_move(pl_moves)
  50. case pl_moves.size
  51. when 1
  52. ONE_MOVE.each do |possible_pl_moves, possible_comp_moves|
  53. if possible_pl_moves - pl_moves == []
  54. comp_move = possible_comp_moves.sample.to_i
  55. return comp_move
  56. end
  57. end
  58. when 2
  59. TWO_MOVE.each do |possible_pl_moves, comp_move|
  60. if possible_pl_moves - pl_moves == []
  61. return comp_move
  62. end
  63. end
  64. when 3
  65. THREE_MOVE.each do |possible_pl_moves, comp_move|
  66. if possible_pl_moves - pl_moves == []
  67. return comp_move
  68. else
  69. THREE_MOVE2.each do |possible_pl_moves, co_move|
  70. if possible_pl_moves - pl_moves == []
  71. return co_move
  72. end
  73. end
  74. end
  75. end
  77. when 4
  78. FOUR_MOVE.each do |possible_pl_moves, comp_move|
  79. if possible_pl_moves - pl_moves == []
  80. return comp_move
  81. else
  82. FOUR_MOVE2.each do |possible_pl_moves, co_move|
  83. if possible_pl_moves - pl_moves == []
  84. return co_move
  85. end
  86. end
  87. end
  88. end
  89. end
  90. end
  91. end