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终于ac此题,写了10k的code,对比3版本,poj版考的操做最多(取反),ural版本dfs会stack overflow,数据变态,pojmonthly有不少好题,但最近poj挂了好几次,bless poj..........

Posted by huicpc035 at 2008-11-17 17:55:23 on Problem 3237
In Reply To:WA了一晚上,终于AC了,天哪…… Posted by:windy7926778 at 2007-12-03 03:53:41


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