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   }}</ref> Their representation uses an array indexed by vertex number, in which the array cell for each vertex points to a singly linked list of the neighboring vertices of that vertex. In this representation, the nodes of the singly linked list may be interpreted as edge objects; however, they do not store the full information about each edge (they only store one of the two endpoints of the edge) and in undirected graphs there will be two different linked list nodes for each edge (one within the lists for each of the two endpoints of the edge).

   }}</ref> Their representation uses an array indexed by vertex number, in which the array cell for each vertex points to a singly linked list of the neighboring vertices of that vertex. In this representation, the nodes of the singly linked list may be interpreted as edge objects; however, they do not store the full information about each edge (they only store one of the two endpoints of the edge) and in undirected graphs there will be two different linked list nodes for each edge (one within the lists for each of the two endpoints of the edge).

} </ref > 他们的表示使用一个按顶点数索引的数组，其中每个顶点的数组单元格指向该顶点的相邻顶点的单链表。在这种表示中，单链表的节点可以解释为边对象; 然而，它们并不存储关于每条边的完整信息(它们只存储边的两个端点中的一个) ，在无向图中，每条边有两个不同的链表节点(边的两个端点中的每个端点的列表中都有一个)。

} </ref > 它们的表示使用一个按顶点数索引的数组，其中每个顶点的数组单元格指向该顶点的相邻顶点的单链表。在这种表示中，单链表的节点可以解释为边对象; 然而，它们并不存储关于每条边的完整信息(它们只存储边的两个端点中的一个) ，在'''<font color="#ff8000">无向图 Undirected Graph </font>'''中，每条边有两个不同的链表节点(边的两个端点中的每个端点的列表中都有一个)。

*The [[object oriented]] incidence list structure suggested by Goodrich and Tamassia has special classes of vertex objects and edge objects. Each vertex object has an instance variable pointing to a collection object that lists the neighboring edge objects. In turn, each edge object points to the two vertex objects at its endpoints.<ref name="A">{{cite book

*The [[object oriented]] incidence list structure suggested by Goodrich and Tamassia has special classes of vertex objects and edge objects. Each vertex object has an instance variable pointing to a collection object that lists the neighboring edge objects. In turn, each edge object points to the two vertex objects at its endpoints.<ref name="A">{{cite book

   | isbn = 0-471-38365-1}}</ref> This version of the adjacency list uses more memory than the version in which adjacent vertices are listed directly, but the existence of explicit edge objects allows it extra flexibility in storing additional information about edges.

   | isbn = 0-471-38365-1}}</ref> This version of the adjacency list uses more memory than the version in which adjacent vertices are listed directly, but the existence of explicit edge objects allows it extra flexibility in storing additional information about edges.

| isbn = 0-471-38365-1} </ref > 这个版本的邻接列表比直接列出相邻顶点的版本使用更多的内存，但是显式边对象的存在允许它在存储额外的关于边的信息方面有额外的灵活性。

| isbn = 0-471-38365-1} </ref > 这个版本的邻接表比直接列出相邻顶点的版本使用更多的内存，但是显示边对象的存在操作可以允许它在存储额外的关于边的信息方面有额外的灵活性。

==Operations==

==Operations==