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No.118 Pascal's Triangle
No.118 Pascal's TriangleGivennumRows, generate the firstnumRowsof Pascal's triangle.For example, givennumRows= 5,Return[ [1], [1,1], [1,2,1],...
分类:其他好文   时间:2015-06-09 23:28:36    阅读次数:118
Leetcode[118]-Pascal's Triangle
Given numRows, generate the first numRows of Pascal’s triangle.For example, given numRows = 5, Return[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ]分析: 第j=0列全为1,第j==i列时,都为1 其它列 a[2][1]...
分类:其他好文   时间:2015-06-09 10:06:02    阅读次数:132
openssl开源程序dh算法解析之dh_gen.c
/*----------------实现了生成 DH 密钥参数------------*/ //DH_generate_parameters_ex#include #include "cryptlib.h" #include #include #ifdef OPENSSL_FIPS # include <openssl/f...
分类:编程语言   时间:2015-06-09 10:03:52    阅读次数:311
【Spiral Matrix II】cpp
题目:Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following ma...
分类:其他好文   时间:2015-06-09 08:30:13    阅读次数:106
Pascal's Triangle I,II
题目来自于Leetcode https://leetcode.com/problems/pascals-triangle/ Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5, Return [ [1], [1,1],...
分类:其他好文   时间:2015-06-09 00:57:01    阅读次数:158
【Pascal's Triangle】cpp
题目:GivennumRows, generate the firstnumRowsof Pascal's triangle.For example, givennumRows= 5,Return[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4...
分类:其他好文   时间:2015-06-09 00:51:13    阅读次数:122
LightOJ1013---Love Calculator (dp)
Yes, you are developing a ‘Love calculator’. The software would be quite complex such that nobody could crack the exact behavior of the software.So, given two names your software will generate the perc...
分类:其他好文   时间:2015-06-08 09:51:44    阅读次数:100
Pig UDF 用户自定义函数
注册UDFdo.pig的内容如下:register /xx/yy.jardata = load 'data';result = foreach data generate aa.bb.Upper($0);dump result; register的路径可以是本地路径,也可以是hdfs路径regis....
分类:其他好文   时间:2015-06-07 23:24:54    阅读次数:201
Pig limit用法举例
lmt = limit data 10;只获取指定条数的数据,不能保证每次得到的结果一致,先执行order再limit可以保证一致。输入数据全部载入。会触发reduce阶段a = load 'a.txt';b = group a all;c = foreach b generate COUNT(a)...
分类:其他好文   时间:2015-06-07 23:17:13    阅读次数:190
Pig foreach用法举例
foreach:一行一行的遍历数据,处理一行的数据,然后返回一个tuple。users = load '/users.data';1)别名引用f = foreach users generate name, age; 2)位置引用f = foreach users generate $0, $1;....
分类:其他好文   时间:2015-06-07 23:11:23    阅读次数:305
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