Why are the insertion and removal of the first node special cases of the insert and remove i th node on singly linked structures?
A) the tail pointer must be reset
B) the first item must be deleted
C) the head pointer must be reset
D) the last item must be deleted

Question

Quizplus · Accepted Answer

When inserting or removing the first node in a singly linked structure, the head pointer must be reset to point to the new first node (for insertion) or the second node (for removal). The tail pointer remains the same in both cases because it only needs to be updated when inserting or removing the last node. Therefore, option C is the best choice.

Why Are the Insertion and Removal of the First Node