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是从入口到ET都必须经过guardIn Reply To:请教大牛牛们一个问题 Posted by:hz02ruc at 2004-07-13 16:51:39 > 这题是说:如何放置guard,使得所有想去ET所在房间的客人都必须经过guard所在的房间吧. > > 而样例中房间5中的客人可以直接到4号房间去的(ET room)而不需要经过3, 不知道答案中的3是怎么得来的?? Followed by: Post your reply here: |
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