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此题如果不存储边。不用临接矩阵,数据量小。直接用矩阵表示点和点的之间的关系。---wa的一个原因

Posted by 274856653 at 2020-06-17 15:55:04 on Problem 1273
此题如果不存储边。不用临接矩阵,数据量小。直接用矩阵表示点和点的之间的关系。
点a到点b可能存在两条边。要看看重边的问题。将点a到点b直接的流量全部相加
如果。用邻接矩阵。遍历边的方式。将不会出错。

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