【done】剑指offer18：删除链表指定节点

力扣，https://leetcode.cn/problems/shan-chu-lian-biao-de-jie-dian-lcof/description/

// 自己写的答案
class Solution {public ListNode deleteNode(ListNode head, int val) {if (head == null) {return null;}if (head.val == val) {return head.next;}ListNode pre = head, cur = head.next;while (cur != null) {if (cur.val != val) {pre = cur;cur = cur.next;} else {pre.next = cur.next;break;}}return head;}
}