1. 反转链表 输入一个链表,反转链表后,输出新链表的表头。https://www.nowcoder.com/practice/75e878df47f24fdc9dc3e400ec6058ca?tpId=117&&tqId=35000&rp=1&ru=/ta/job-code-high&qru=/ta/job-code-high/question-ranking 思路:递归好想 class Solution { public ListNode ReverseList(ListNode head) { if (head==null ...