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建议大家到openjudge提交

Posted by scau201525060111 at 2017-01-07 10:39:58 on Problem 1184
http://bailian.openjudge.cn/practice/1184?lang=en_US
这道题没法剪枝,网上的剪枝都是错的,具体数据可以看讨论版其他帖子。
如果双向Bfs的话,在Poj上提交时限卡太紧了。

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