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放到5s了，有人过了

Posted by hawk at 2004-08-18 09:51:17 on Problem 1774
In Reply To:时间限制似乎太紧了一点，这道题应该是O(N^2)，而max(N)=1000，测试数据肯定不止几组 Posted by:hewei at 2004-08-17 23:47:52 
> rt
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