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加上一个hint吧，是原题上的warning，精度控制在1e-4就可以了（warning里面还说用double，不过这是废话）In Reply To:哼唧，O(mn)不让过，让我想想怎么二分 Posted by:frkstyc at 2005-06-02 11:26:04 Followed by: Post your reply here: |
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