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[LeetCode] Binary Tree Zigzag Level Order Traversal
Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al...
分类:其他好文   时间:2015-01-17 13:51:25    阅读次数:136
[LeetCode] Binary Tree Level Order Traversal II
iven a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For exam...
分类:其他好文   时间:2015-01-16 22:17:55    阅读次数:292
[LeetCode] Binary Tree Level Order Traversal
Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,9,2...
分类:其他好文   时间:2015-01-16 22:07:21    阅读次数:139
nVidia GPGPU vs AMD Radeon HD Graphics执行模式对比
大家做高性能计算的朋友,想必对CPU的执行模式已经非常熟悉了吧。当代高级些的CPU一般采用超标量流水线,使得毗邻几条相互独立的指令能够并行执行——这称为指令集并行(ILP,Instruction-Level Parallelism);而像x86引入的SSE(Streaming SIMD Extens...
分类:其他好文   时间:2015-01-16 18:55:43    阅读次数:178
[C++]LeetCode: 101 Binary Tree Zigzag Level Order Traversal
题目: Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between). For example: Given ...
分类:编程语言   时间:2015-01-16 16:46:28    阅读次数:179
依赖倒置原则
3.1 依赖倒置原则的定义 依赖倒置原则(Dependence Inversion Principle,简称DIP)这个名字看着有点别扭,“依赖”还“倒置”,这到底是什么意思?依赖倒置原则的原始定义是:High level modules should not depend upon low lev...
分类:其他好文   时间:2015-01-16 11:17:55    阅读次数:309
[Twitter] Lowest Level Common Ancestor
Question:Inabinaryintegervaluetree,findthelowestlevelcommonancestoroftwovalues.http://www.glassdoor.com/Interview/In-a-binary-integer-value-tree-find-the-lowest-level-common-ancestor-of-two-values-QTN_219955.htm//classTreeNode{ //intval; //TreeNodeleft; //T..
分类:其他好文   时间:2015-01-16 08:44:40    阅读次数:190
Ubuntu下搭建postgresql主从服务器
Ubuntu下搭建postgresql主从服务器安装略postgresql主服务器:$vi/home/postgresql/data/postgresql.conf按a或i进入编辑模式listen_addresses=‘*’wal_level=hot_standby(默认为注释的)max_wal_senders=5(默认为注释,这个参数是控制主库最多可以有多少个并发的standby数据..
分类:数据库   时间:2015-01-15 01:57:02    阅读次数:226
重读《现代编译原理》几句小感
最近重温了一下《现代编译原理》这本书,感觉与大学学习的时候,完全不是一个味道;深刻的懂得理论联系实际的感受,瞬间有一种, 编译器将汇编或高级计算机语言源程序(Source program)作为输入,翻译成目标语言(Target language)机器代码的等价程序。源代码一般为高级语言 (High-level language), 如Pascal、C、C++、Java、汉语编程等或汇...
分类:其他好文   时间:2015-01-14 16:58:48    阅读次数:142
LeetCode--Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For example: Given binary tree {3,9,20,#,#,15,7}, ...
分类:其他好文   时间:2015-01-14 15:36:13    阅读次数:127
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