{leetcode}/problems/reverse-linked-list/[LeetCode - Reverse Linked List^]
递归需要加强一下,反转链表的递归细节再推敲推敲。
Reverse a singly linked list.
Example:
Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL
Follow up:
A linked list can be reversed either iteratively or recursively. Could you implement both?