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AC自动机上的递推……

Posted by sweetsc at 2010-10-24 10:12:22
In Reply To:J题,给定包含n键的键盘,及各按键按下的概率,已知猴子按了m下,问猴子按出的文本中,包含指定单词的概率 Posted by:epicwu at 2010-10-24 09:33:14


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