6. The most common operation for setting a linked list is to insert a node at the end and delete the tail node, so () is the most time-saving option. A: doubly linked circular list with a head node B: singly linked list C: singly linked circular list with a tail pointer D: singly linked circular list

正是祸不单行的日子。<br/>Misfortunes never come ____. A: singularly B: single-mindedly C: singly D: singlely

In the adjacency list of a directed graph, the number of nodes in each vertex singly linked list is equal to of the vertex. A: out_degree B: in_degree C: degree D: nothing

In a singly linked list which operation depends on the length of the list.( ) A: Interchange the first two elements of the list B: Delete the first element of the list C: Add an element before the first element of the list D: Delete the last element of the list

Match the term with its definition.The process by which nonverbal behaviors are used, either singly or in combination with verbal behaviors, in the exchange and interpretation of messages in a given situation or context. A: nonverbal communication B: kinesics C: complementing D: proxemics E: personal territory

You<br/>are given pointers to first and last nodes of a singly linked list,<br/>which of the following operations are dependent on the length of the<br/>linked list? () A: Delete<br/>the first element B: Insert<br/>a new element as a first element C: Delete<br/>the last element of the list D: Add<br/>a new element at the end of the list

Consider an implementation of unsorted singly linked list. Suppose it has representation which a head pointer only. Given the representation, which of the following operation can be implemented in O(1) time?(I). Insertion at the front of the linked list.(II). Insertion at the end of the linked list.(III). Deletion of the front node of the linked list.(IV). Deletion of the last node of the linked list. A: I, II, and IV B: I and II C: I, II, and III D: I and III