题目内容

19. In a graph with n vertex e-edges, the sum of degrees of all vertices is equal to ().

A. 2n
B. n
C. e
D. 2e

查看答案
更多问题

Sort the sequence {15, 9, 7, 8, 20, -1, 4}, and after one pass, the data arrangement becomes {9, 15, 7, 8, 20, -1, 4}, then The sorting method used is _____.

A. selection sort
B. Direct insertion sort
C. heap sort
D. hill sort

The advantages of sequential storage are large storage density and high efficiency of insertion and deletion.()

Given the bidirectional circular linked list L of the leading node, the condition to judge it as an empty table is l-> next==L && l-> prior==L.()

The static list is similar to the dynamic list in the insertion and deletion of elements. No element movement is required.()

答案查题题库