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Re:倒,兄弟看来没理解这个题的本质,在说推理也不简单。里程表逢9进1,只不过3到4时变成3到5,所以5视为4,6视为5,以此推。

Posted by kakassi at 2009-07-29 17:59:03 on Problem 2719
In Reply To:倒,兄弟看来没理解这个题的本质,在说推理也不简单。里程表逢9进1,只不过3到4时变成3到5,所以5视为4,6视为5,以此推。 Posted by:10070709 at 2009-03-10 23:46:33
我觉得九进制的想法 比你的xx简洁优美多了

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