gary-rafferty · May 10, 2013 19:10
diff --git a/zerosum.rb b/zerosum.rb
 def zerosum(arr,size=4)
  arr.permutation(size).to_a.each do |a|
    if a.inject(:+) == 0
      p a.inspect
      break
    end
  end
 end

 zerosum([2,3,5,6,7,8,9,1,2,3,-1,-11,44,-1,0,1,1],5)
	def zerosum(arr,size=4)
	arr.permutation(size).to_a.each do \|a\|
	if a.inject(:+) == 0
	p a.inspect
	break
	end
	end
	end

	zerosum([2,3,5,6,7,8,9,1,2,3,-1,-11,44,-1,0,1,1],5)