a brain teaser once used often as

来源: ffppyy 于 2012-12-30 19:40:57 [] [旧帖] [给我悄悄话] 阅读数 : (135 bytes)

interview question for software engineers. It is an interesting question, but doesn't help on identifying good enigneers at all.

请您先登陆，再发跟帖！