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LeetCode OJ - Validate Binary Search Tree
题目:Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains onl...
分类:其他好文   时间:2014-05-23 12:20:50    阅读次数:407
LeetCode OJ - Recover Binary Search Tree
题目:Two elements of a binary search tree (BST) are swapped by mistake.Recover the tree without changing its structure.Note:A solution using O(n) space ...
分类:其他好文   时间:2014-05-23 11:31:51    阅读次数:299
委托、匿名方法、Lambda表达式的演进
假设给我们一个泛型对象List,T为int类型,要求我们使用该对象方法FindAll(Predicate match)从中找出该List中的偶数,您如何实现? 说明一下:Predicate是一个泛型委托,它的原型为public delegate bool Predicate(T obj),该委托传....
分类:其他好文   时间:2014-05-23 10:04:08    阅读次数:350
leetcode -day19 Convert Sorted List to Binary Search Tree
1、 ?? Convert Sorted List to Binary Search Tree  Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 分析:将一个升序排列的链表转换为平衡二叉搜索树,采用递归的方式,先找到链表...
分类:其他好文   时间:2014-05-22 12:33:30    阅读次数:270
LeetCode: Search in Rotated Sorted Array [032]
【题目】 Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). You are given a target value to search. If found in the array return its index, otherwise return -1. You may assume no du...
分类:其他好文   时间:2014-05-22 10:43:12    阅读次数:310
LeetCode: Search Insert Position [034]
【题目】 Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array. Here are few examples. [1,3,5,6], 5 → 2 [1,3,5,6]...
分类:其他好文   时间:2014-05-22 09:41:59    阅读次数:195
3.addView调用之后导致子布局的android:layout_width="match_parent"属性或者 android:layout_width="fll_parent"属性无效。
典型错误案例:         经常我们会通过addView方法,动态添加一些子布局,比如下面的一段代码. LinearLayout linParent = (LinearLayout) findViewById(R.id.aty_slider_linParent);View vChild = mInflater.inflate(R.layout.view_loding, null);linP...
分类:移动开发   时间:2014-05-22 09:41:22    阅读次数:553
LeetCode: Search for a Range [033]
【题目】 Given a sorted array of integers, find the starting and ending position of a given target value. Your algorithm's runtime complexity must be in the order of O(log n). If the target is not found in the array, return [-1, -1]. For example, Given [5...
分类:其他好文   时间:2014-05-22 06:44:39    阅读次数:265
jQuery -> 获取指定上下文中的DOM元素
jQuery函数的第二个参数可以指定DOM元素的搜索范围。 第二个参数可分为以下类型 DOM referencejQuery wrapperdocument 代码示例 // search within all form elements, using a wrapper for context, // alerts "8...
分类:Web程序   时间:2014-05-20 16:32:25    阅读次数:377
Leetcode:Convert Sorted Array to Binary Search Tree
戳我去解题Given an array where elements are sorted in ascending order, convert it to a height balanced BST.分析:因为BST中序序列是升序的,所以中序遍历序列最中间的元素一定是根节点,然后左右递归构建二叉...
分类:其他好文   时间:2014-05-20 11:38:16    阅读次数:233
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