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Re:Dij最短路 + 判断直线相交 水过....

Posted by liuche at 2010-08-21 20:18:41 on Problem 1556
In Reply To:Dij最短路 + 判断直线相交 水过.... Posted by:f309587969 at 2010-07-31 09:02:47
memset第二个参数只能是0或-1

也就是幅值成全1和全0

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