2014年9月26日
leetcode Remove Duplicates from Sorted Array
摘要： Given a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new length.Do not allocate extra space for a... 阅读全文
posted @ 2014-09-26 14:05 birdhack 阅读(140) 评论(0) 推荐(0) 编辑
leetcode Convert Sorted Array to Binary Search Tree
摘要： Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 1 /** 2 * Definition for binary tree 3 * public cl... 阅读全文
posted @ 2014-09-26 11:28 birdhack 阅读(136) 评论(0) 推荐(0) 编辑
leetcode Balanced Binary Tree
摘要： Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth... 阅读全文
posted @ 2014-09-26 10:42 birdhack 阅读(109) 评论(0) 推荐(0) 编辑