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Re:普通spfa就可以了

Posted by wyc4662 at 2011-09-08 22:38:28 on Problem 1062 and last updated at 2011-09-09 12:52:01
In Reply To:普通spfa就可以了 Posted by:dsqwwe at 2011-02-26 15:24:23 
我也是这么做，WA了
因为间接交易等级差异的问题……
还要枚举等级区间
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