1class QuickFind
 2  def initialize(size)
 3    @items = []
 4    size.times.each do |n|
 5      @items[n] = n
 6    end
 7  end
 8
 9  def connected?(x, y)
10    @items[x] == @items[y]
11  end
12
13  def union(x, y)
14    x_value = @items[x]
15    y_value = @items[y]
16
17    @items.size.times do |n|
18      if @items[n] == x_value
19        @items[n] = y_value
20      end
21    end
22  end
23end