Topic: Remove Linked List Elements-203
answer:
First of all, we first define two pointers prev and cur
Cur function: It is used to compare the val in cur with the val to be deleted. If they are equal, the structure currently pointed to by cur will be freed
Prev function: prevent cur from finding the next data of the linked list after free drops the structure pointed to by cur
Note: If the data in the linked list is to be deleted, it is equivalent to deleting the head every time, and we have to deal with it specially
Code:
