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哦,不好意思,这里是原来的数据,没改

Posted by hawk at 2004-07-06 23:31:19 on Problem 1689
In Reply To:这里的数据有错,题目中说是顺时针方向,其实不是,zju的数据就没有这个trick Posted by:gz2001 at 2004-07-06 22:29:47


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