[Shadows of the Knight] Solution for shadows of the Knight task

Training/Medium/knight.rb

@@ -0,0 +1,37 @@
+STDOUT.sync = true # DO NOT REMOVE
+
+# Solution for https://www.codingame.com/ide/puzzle/shadows-of-the-knight-episode-1
+class Knight
+  attr_accessor :width, :height, :jumps_number, :x, :y, :search_area
+  UP = 'U'
+  DOWN = 'D'
+  LEFT = 'L'
+  RIGHT = 'R'
+
+  def initialize
+    @width, @height = gets.split.collect(&:to_i)
+    @jumps_number = gets.to_i # maximum number of turns before game over.
+    @x, @y = gets.split.collect(&:to_i)
+    @search_area = [[0, 0], [width - 1, height - 1]]
+  end
+
+  def change_batman_position(direction)
+    search_area[1][1] = y - 1 if direction.include? UP
+    search_area[0][1] = y + 1 if direction.include? DOWN
+    search_area[1][0] = x - 1 if direction.include? LEFT
+    search_area[0][0] = x + 1 if direction.include? RIGHT
+  end
+
+  def start
+    loop do
+      bomb_dir = gets.chomp
+      change_batman_position(bomb_dir)
+      self.x = search_area[0][0] + (search_area[1][0] - search_area[0][0]) / 2
+      self.y = search_area[0][1] + (search_area[1][1] - search_area[0][1]) / 2
+      puts "#{x} #{y}"
+    end
+  end
+end
+
+obj = Knight.new
+obj.start