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31好像 不行了

Posted by qqmsyz5200 at 2009-07-29 17:23:57 on Problem 2728
In Reply To:经过我的多次测试,发现本题二分下界定为0,上界定为31就可以过了,当然按照lrj的书上计算出上下界也可以 Posted by:woodfish at 2007-08-13 20:22:06


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