lakeone - 博客园

FHD 4K 8K分辨率

摘要： 4K（2160P，即4096×2160的像素分辨率）和8K（4320P，即7,680 × 4,320的像素分辨率）属于UHDTV。FHD是FULL HD(Full High Definition)的缩写，有人也将其称作是1080P，实际的分辨率则为1920x1080(包括1080i和1080P)。阅读全文

posted @ 2014-12-26 15:18 lakeone 阅读(1429) 评论(0) 推荐(0)

matlab添加当前路径下的所有子目录

摘要： % 添加当前路径下的所有子目录addpath(genpath(pwd)); 阅读全文

posted @ 2014-12-11 21:41 lakeone 阅读(910) 评论(0) 推荐(0)

Mac OS安装wget

摘要： curl -Ohttp://ftp.gnu.org/gnu/wget/wget-1.16.1.tar.gztar xvzf wget-1.14.tar.gzcd wget-1.14./configure --with-ssl=opensslmakesudo make install 阅读全文

posted @ 2014-12-11 21:06 lakeone 阅读(138) 评论(0) 推荐(0)

wget 命令用法详解

摘要： wget是在Linux下开发的开放源代码的软件，作者是Hrvoje Niksic，后来被移植到包括Windows在内的各个平台上。它有以下功能和特点：（1）支持断点下传功能；这一点，也是网络蚂蚁和FlashGet当年最大的卖点，现在，Wget也可以使用此功能，那些网络不是太好的用户可以放心了；（2）... 阅读全文

posted @ 2014-12-09 21:30 lakeone 阅读(239) 评论(0) 推荐(0)

UVA 160 - Factors and Factorials

摘要： Factors and FactorialsThe factorial of a numberN(writtenN!) is defined as the product of all the integers from 1 toN. It is often defined recursively ... 阅读全文

posted @ 2014-12-07 21:18 lakeone 阅读(649) 评论(0) 推荐(0)

Uva 642 - Word Amalgamation sort qsort

摘要： Word AmalgamationIn millions of newspapers across the United States there is a word game calledJumble. The object of this game is to solve a riddle, b... 阅读全文

posted @ 2014-12-06 20:45 lakeone 阅读(450) 评论(0) 推荐(0)

Invalid operator< assertion error解析

摘要：如果编写的判断式不满足strict weak ordering，就会出现Invalid operator< assertion error错误。网页：http://support.microsoft.com/kb/949171VS（其他编译器还没试过）中，sort函数要求比较函数是strict we... 阅读全文

posted @ 2014-12-06 19:42 lakeone 阅读(257) 评论(0) 推荐(0)

埃拉托色尼筛法素数

摘要：运行时间和下式成正比：N+N/2+N/3+N/7+N/11+……#include #include using namespace std;int main(int argc, char* argv[]){ int n; if (argc != 2) { printf("usage:bin n\n... 阅读全文

posted @ 2014-12-05 16:20 lakeone 阅读(494) 评论(0) 推荐(0)

qsort和sort学习与比较

摘要：阅读另一篇博文Uva 642 - Word Amalgamation sort qsort1.qsort函数：原型:void qsort(void *base, int nelem, int width, int (*fcmp)(const void *,const void *));功能:使用快速... 阅读全文

posted @ 2014-11-28 18:20 lakeone 阅读(198) 评论(0) 推荐(0)

UVA OJ 623 500!

摘要： 500!In these days you can more and more often happen to see programs which perform some useful calculations being executed rather then trivial screen ... 阅读全文

posted @ 2014-11-25 19:54 lakeone 阅读(288) 评论(0) 推荐(0)