Spreadsheet TrackingData in spreadsheets are stored in cells, which are organized in rows (r) and columns (c). Some operations on spreadsheets can be....
分类：
其他好文 时间：
2015-01-23 18:13:13
阅读次数：
135
spark内核揭秘-10-RDD源码分析
**
* A Resilient Distributed Dataset (RDD), the basic abstraction in Spark. Represents an immutable,
* partitioned collection of elements that can be operated on in parallel. This class contains the
* basic operations available on a...
分类：
其他好文 时间：
2015-01-21 16:37:59
阅读次数：
196
Design and implement a TwoSum class. It should support the following operations:addandfind.add- Add the number to an internal data structure.find- Fin...
分类：
其他好文 时间：
2015-01-19 15:39:47
阅读次数：
195
No need for a double cycle: :You are given N counters, initially set to 0, and you have two possible operations on them:increase(X) ? counter X is inc...
分类：
其他好文 时间：
2015-01-18 18:26:32
阅读次数：
222
Spreadsheet Tracking
Data in spreadsheets are stored in cells, which are organized in rows (r) and columns (c). Some operations on spreadsheets can be applied to single cells (r,c), wh...
分类：
其他好文 时间：
2015-01-18 10:35:19
阅读次数：
186
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类：
系统相关 时间：
2015-01-17 17:43:35
阅读次数：
253
题目中说每一个good pair 都满足(u+v)%2 == 1，即一个奇数，一个偶数。
首先我们要拿出一原点S，汇点T，S联到所有的num[odd]的质因子上，T联到所有的num[even]的质因子上，边的流量为num[i]中相应质因子的个数。
再根据给出的，假设u为奇数，则从u的质因子上联到相等的v的质因子上，流量为INF。
丢到模板里跑一遍就好了。
#include
#includ...
分类：
其他好文 时间：
2015-01-17 16:38:05
阅读次数：
190
Description You are given two pots, having the volume of A and B liters respectively. The following operations can be performed:FILL(i) fill the po...
分类：
其他好文 时间：
2015-01-16 23:42:44
阅读次数：
176
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)
You have the following 3 operations permitted on a word:...
分类：
其他好文 时间：
2015-01-16 19:15:26
阅读次数：
177
今天在做ssh项目开发的时候遇到一个问题，保存数据的时候报错：Write operations are not allowed in read-only mode (FlushMode.NEVER/后参考这篇文章才知道出了什么问题：http://www.aichengxu.com/view/3741...
分类：
其他好文 时间：
2015-01-16 18:44:30
阅读次数：
139
