2017年1月17日
141. Linked List Cycle
摘要： Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 阅读全文
posted @ 2017-01-17 14:36 rocksolid 阅读(90) 评论(0) 推荐(0)
102. Binary Tree Level Order Traversal
摘要： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3 阅读全文
posted @ 2017-01-17 13:28 rocksolid 阅读(148) 评论(0) 推荐(0)