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OpenJDK 源代码阅读之 Collections
通过阅读 java.util.Collections 学习与操作 Collections 相关算法的实现,例如 sort, search, shuffle. 以及如何实现不可变 collection,如何将普通 collection 包装成线程安全的 collection。...
分类:其他好文   时间:2014-06-11 06:18:18    阅读次数:362
leetcode - Maximum Depth of Binary Tree
题目:Maximum Depth of Binary TreeGiven a binary tree, find its maximum depth.The maximum depth is the number of nodes along the longest path from the ro...
分类:其他好文   时间:2014-06-10 10:09:13    阅读次数:237
【leetcode】Balanced Binary Tree
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...
分类:其他好文   时间:2014-06-10 00:54:41    阅读次数:313
Leetcode::Longest Common Prefix && Search for a Range
一次总结两道题,两道题目都比较基础Description:Write a function to find the longest common prefix string amongst an array of strings.分析: 这道题目最重要的知道什么叫prefix前缀, 否则一不小心就做...
分类:其他好文   时间:2014-06-09 21:08:16    阅读次数:224
[leetcode]Scramble String @ Python
原题地址:https://oj.leetcode.com/problems/scramble-string/题意:Given a strings1, we may represent it as a binary tree by partitioning it to two non-empty su...
分类:编程语言   时间:2014-06-09 19:02:59    阅读次数:197
[leetcode]Search in Rotated Sorted Array @ Python
原题地址:https://oj.leetcode.com/problems/search-in-rotated-sorted-array/题意:Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e...
分类:编程语言   时间:2014-06-09 18:43:14    阅读次数:273
js获取url参数值
方法一:正则分析法function getQueryString(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r = window.location.search.substr(1).m...
分类:Web程序   时间:2014-06-09 16:03:15    阅读次数:293
Project Browser & Inspector
【Project Browser】 You can drag items from the project structure list to the Favourites and also save search queries there. The filters work by add...
分类:其他好文   时间:2014-06-09 15:25:46    阅读次数:282
LeetCode --- Balanced Binary Tree
题目链接题意: 给定一棵二叉树, 判断是否为平衡二叉树, 这里的平衡二叉树指的是:每个结点的左右子树的深度之差不超过1。附上代码: 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 * int val; 5 * ...
分类:其他好文   时间:2014-06-08 18:58:35    阅读次数:194
LeetCode --- Minimum Depth of Binary Tree
题目链接求二叉树最小深度,最小深度指的是:从根节点走到最近的叶子结点的最短长度附上代码: 1 /** 2 * Definition for binary tree 3 * struct TreeNode { 4 * int val; 5 * TreeNode *left; 6...
分类:其他好文   时间:2014-06-08 18:43:48    阅读次数:220
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