2015年7月13日
【LeetCode】233. Number of Digit One
摘要： Number of Digit OneGiven an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n.For example:Gi... 阅读全文
posted @ 2015-07-13 12:26 陆草纯 阅读(569) 评论(0) 推荐(0) 编辑
【LeetCode】236. Lowest Common Ancestor of a Binary Tree
摘要： Lowest Common Ancestor of a Binary TreeGiven a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.According to thedefin... 阅读全文
posted @ 2015-07-13 09:26 陆草纯 阅读(1029) 评论(0) 推荐(0) 编辑