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这种类型题目没必要用kmp,直接hash水连脑筋都不用动…… 另外注意数据范围是40万不是4万,害我白吃一个RE……

Posted by xuhaoran510 at 2011-07-06 10:38:25 on Problem 2752 and last updated at 2011-07-06 10:38:51
rt

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