2016年4月20日
142. Linked List Cycle II
摘要： Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Note: Do not modify the linked list. Follow up:Can you 阅读全文
posted @ 2016-04-20 12:04 Joyce-Lee 阅读(178) 评论(0) 推荐(0)
41. First Missing Positive
摘要： Given an unsorted integer array, find the first missing positive integer. For example,Given [1,2,0] return 3,and [3,4,-1,1] return 2. Your algorithm s 阅读全文
posted @ 2016-04-20 11:41 Joyce-Lee 阅读(149) 评论(0) 推荐(0)