题解 | #链表中倒数最后k个结点#
链表中倒数最后k个结点
https://www.nowcoder.com/practice/886370fe658f41b498d40fb34ae76ff9
# class ListNode: # def __init__(self, x): # self.val = x # self.next = None # # 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param pHead ListNode类 # @param k int整型 # @return ListNode类 # class Solution: def FindKthToTail(self , pHead: ListNode, k: int) -> ListNode: # write code here if not pHead: return None tmp = [] i = 0 p = None while (pHead): tmp.append(pHead) pHead = pHead.next i = i+1 if i<k: return p while k: e = tmp.pop() k = k-1 p = e return p
这题和 JZ52 两个链表的第一个公共结点 相似。