中

(1)增加一条弧    Addarc(adj,数据结构（第七章_图)作业：

题目描述：在有向图u,v)

(2)删除一条弧    Delarc(adj,u,v)*-(1) add a arc Addarc (adj, data structures (Chapter VII _ Figure) operations:

Title Descr iption: In a directed graph u, v)

(2) Delete an arc Delarc (adj, u, v)*