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这题顺序访问会比逆序访问快很多的。。。

Posted by Ylen at 2011-04-10 10:53:58 on Problem 2060
所以大概就是为什么邻接矩阵比邻接表快了。……邻接表的边按顺序添加的话,就会比邻接矩阵快了。

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