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LeetCode详细分析 :: Recover Binary Search Tree [Tree]
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 is pretty straight forward. Could you devis...
分类:其他好文   时间:2014-07-18 22:33:04    阅读次数:328
C_Dp
/* C - 简单dp 例题 Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Submit Status Description A subsequence of a given sequence is the given sequence with some elements (poss...
分类:其他好文   时间:2014-07-18 22:28:24    阅读次数:206
Myeclipse---常用快捷键
Ctrl+1 快速修复Ctrl+D 删除当前行Ctrl+/ 注释当前行,再按则取消注释 (对java代码有效)Ctrl+M 切换窗口的大小Ctrl+I 格式化激活的元素Format Active Elements。Ctrl+Shift+/ 自动注释代码Ctrl+Shift+\ 自动取消已经注释的代码...
分类:系统相关   时间:2014-07-18 15:38:37    阅读次数:304
尺取法
问题 方法的思想 The idea is to check elements in a way that’s reminiscent of movements of a caterpillar. The caterpillar crawls through the array. We remember the front and back positions of the caterp...
分类:其他好文   时间:2014-07-17 19:22:33    阅读次数:322
【leetcode刷题笔记】Recover Binary Search Tree
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 is ...
分类:其他好文   时间:2014-07-17 17:32:50    阅读次数:246
Lua中的weak表——weak table
弱表(weak table)是一个很有意思的东西,像C++/Java等语言是没有的。弱表的定义是:A weak table is a table whose elements are weak references,元素为弱引用的表就叫弱表。有弱引用那么也就有强引用,有引用那么也就有非引用。我们.....
分类:其他好文   时间:2014-07-17 14:10:51    阅读次数:231
46、动态存储类
动态存储类 StrVec Class Design StrVec Class Definition class StrVec { public: //构造函数 StrVec():elements(nullptr), first_free(nullptr), cap(nullptr){} //用initializer_list初始化参数列表 StrVe...
分类:其他好文   时间:2014-07-17 10:22:21    阅读次数:286
Jsoup-数据修改
在你解析一个Document之后可能想修改其中的某些属性值,然后再保存到磁盘或都输出到前台页面。可以使用属性设置方法Element.attr(String key, String value), 和Elements.attr(String key, String value).假如你需要修改一个元素...
分类:Web程序   时间:2014-07-16 17:47:50    阅读次数:307
POJ2155 Matrix 【二维树状数组】+【段更新点查询】
Matrix Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 17766   Accepted: 6674 Description Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] ...
分类:其他好文   时间:2014-07-15 12:24:44    阅读次数:319
A Product Array Puzzle
Given an array arr[] of n integers, construct a Product Array prod[] (of same size) such that prod[i] is equal to the product of all the elements of a...
分类:其他好文   时间:2014-07-15 10:03:20    阅读次数:216
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