obelisk68

require "curses"

class StarTrek
  class DisplayIO
    Width = Curses.cols
    UpperH = 10
    
    def initialize
      Curses.init_screen
      Curses.noraw

obelisk68

module Sokoban
  Pos = Struct.new(:x, :y) do
    def dirs
      [Pos.new(x + 1, y), Pos.new(x, y - 1),
       Pos.new(x - 1, y), Pos.new(x, y + 1)]
    end
    
    def inspect = "<#{x},#{y}>"
    def over_there(e) = Pos.new(2 * e.x - x, 2 * e.y - y)
    def <=>(a) = [x, y] <=> [a.x, a.y]

obelisk68

module Sudoku
  Size = 81
  Length = 9
  
  INDEXS = [0, 3, 6, 27, 30, 33, 54, 57, 60]
    .map { |i| [i, i+1, i+2, i+9, i+10, i+ 11, i+18, i+19, i+20] }
  
  class CertainMap
    def initialize(ary)
      @field = ary

obelisk68

#簡素版

class UnionFind
  def initialize(size)
    @rank = Array.new(size, 0)
    @parent = Array.new(size, &:itself)
  end
  
  def unite(x, y)
    x = root(x)

obelisk68

module BlackJack
  class Person
    def initialize(deck) = @cards = deck.hand_out(2)
    def [](i) = @cards[i]
    
    def natural21?
      if calc_point == 21
        puts "#{self.name}はナチュラル21です"
        true
      else