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2019年5月31日
206. Reverse Linked List
摘要： Reverse a singly linked list. Example: Follow up: A linked list can be reversed either iteratively or recursively. Could you implement both? 阅读全文
posted @ 2019-05-31 19:21 小纸条 阅读(108) 评论(0) 推荐(0)
234. Palindrome Linked List
摘要： Given a singly linked list, determine if it is a palindrome. Example 1: Example 2: Follow up:Could you do it in O(n) time and O(1) space? (1)定义快慢指针得到链 阅读全文
posted @ 2019-05-31 19:09 小纸条 阅读(82) 评论(0) 推荐(0)