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状态dp也可以,就是内存……不过不会mleIn Reply To:谁能告诉我一种好的方法啊 Posted by:gridwang at 2006-01-13 11:28:34 > 我的办法是遍历全排列。 > 如果某个子排列大于420秒就剪枝,最大可剪掉(n-1)! > 可是超时 > 哪位大侠给个好的办法啊 Followed by:
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