摘要: Given a singly linked list, determine if it is a palindrome. Follow up:Could you do it in O(n) time and O(1) space? 这个follow up要求O(n)的时间和O(1)的空间,可以先re 阅读全文
posted @ 2017-06-07 22:05 璨璨要好好学习 阅读(130) 评论(0) 推荐(0) 编辑