ameblog.rb

# encoding: utf-8

class Cards
  def deal(num_players, deck)
    if num_players > deck.scan(/./).size
      ary = []
      num_players.times do
        ary << ""
      end
      return ary
    end

    hash = {}
    i = 0
    deck.scan(/./) do |s|
      i += 1
      if hash.has_key?(i)
        hash[i] = hash[i] + s
      else
        hash[i] = s
      end
      if (i % num_players) == 0 then
        i = 0
      end
    end
    hash.values
  end
end

cards = Cards.new
#ret = cards.deal(3, "012345012345012345")
#ret = cards.deal(1, "012345012345012345")
#ret = cards.deal(6, "01234")
ret = cards.deal(2, "")
#ret = cards.deal(3, "123123123")
p ret