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终于过了 原来是没有看到 如果有两条一上的符合条件 则选择字典序靠前的 ~~~~晕哦

Posted by Allan at 2006-09-18 19:47:21 on Problem 1480
In Reply To:高手们帮忙看看吧1480~~WA 我是用DFS做的 代码比较好读 Posted by:Allan at 2006-09-18 00:27:29


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