10.4图的连通性(Connectivity) 如果存在一条路径,使得从u到v,那么顶点u和v就是连通的 1. 如果能存在一条路径从u到u,那么这样的路径称为自环(circuit) 2. 路径可以视作穿过点(through the vertices),也可视为遍历边(traverses the ed ...
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2020-01-05 09:48:30
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1013 Battle Over Cities (25分) It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all t ...
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2020-01-04 22:16:29
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基本概念 A directed graph is called strongly connected if there is a directed path from any vertex to any other vertex. If we suppress the direction of th ...
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2020-01-02 22:19:50
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shutting down a database 共有四种模式的关机: 1.normal 2.immediate 3.abort 4.tranacatsion 一.shutting down with the normal mode When you shut down a database wit ...
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数据库 时间:
2019-12-23 15:17:41
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Description Find the number Weak Connected Component in the directed graph. Each node in the graph contains a label and a list of its neighbors. (a we ...
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2019-12-22 00:56:39
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Description Find connected component in undirected graph. Each node in the graph contains a label and a list of its neighbors. (A connected component ...
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2019-12-22 00:30:24
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[root@a cron]# telnet www.baidu.com 80Trying 115.239.211.112...Connected to www.baidu.com. #显示connected,表示连接成功!Escape character is '^]'.^C^C^C^Z^Z^Z # ...
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Web程序 时间:
2019-12-20 10:26:28
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Autel factory combine uobdii.com engineer make a comparison table about Autel MaxiIM IM608 VSAutel MaxiIM IM508 VS Auro OtoSys IM600 VS Auro OtoSys IM ...
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2019-12-11 19:45:33
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最近学习了代理模式,在此做一个记录 一、概念 1、代理模式解决的问题:将主要业务、次要业务解耦 2、代理模式的本质:监听某一种行为,当改行为发生的时候对行为进行修饰,此处行为可以看做主要业务,修饰可以看成次要业务 3、代理模式的组成: a、业务接口:申明需要被监听的行为 b、代理实现类(Invoca ...
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编程语言 时间:
2019-12-11 00:33:44
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93
DBSCAN:Density Based Spatial Clustering of Applications with Noise Basic idea: If an object p is density connected to q, then p and q belong to the sa ...
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数据库 时间:
2019-12-02 19:01:26
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129