题解 | #链表中倒数第k个结点#
链表中倒数第k个结点
https://www.nowcoder.com/practice/529d3ae5a407492994ad2a246518148a
import java.util.*; /* public class ListNode { int val; ListNode next = null; ListNode(int val) { this.val = val; } }*/ public class Solution { public ListNode FindKthToTail(ListNode head,int k) { if (k == 0 || head == null) { return null; } ListNode fast = head; while (k-- != 0) { if (fast == null) { return null; } fast = fast.next; } while (fast != null) { fast = fast.next; head = head.next; } return head; } }