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只枚举分母,分子就大体确定了,判断一下就好

Posted by zhao0057 at 2006-07-22 18:19:57 on Problem 1650
In Reply To:61ms,是所有人中倒数几个,我用 binary_search,难道我写的太糙了? Posted by:sunmoonstar_love at 2005-08-17 22:46:11


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