从尾到头打印链表
题目描述
输入一个链表,按链表值从尾到头的顺序返回一个ArrayList。
python solution:
# -*- coding:utf-8 -*-
class ListNode:
def __init__(self, x):
self.val = x
self.next = None
class Solution:
# 返回从尾部到头部的列表值序列,例如[1,2,3]
def printListFromTailToHead(self, listNode):
if listNode is None:
return []
temp = []
while listNode is not None:
temp.append(listNode.val)
listNode = listNode.next
return temp[::-1]