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ft一下这个id

Posted by TN at 2006-05-13 16:03:53 on Problem 1716
In Reply To:尽量选终点和终点的前一个点 Posted by:cpp051200448242 at 2006-05-13 16:01:42 
> 差分约束不适合做这道题,数据强一点估计差分约束要超时
> 像你这样的贪心法才是王道:)
>
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