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RSS订阅原创 ————博客永久废止————转到http://1su.net/nsB
由于优快云博客太难以管理，博主转向Ghost Blog(Node下的b)
2014-07-16 15:53:21
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转载 WCHAR我不再惧怕了
zhuaWCHAR我不再惧怕了宽字符已经困扰我很久了，以前我都是设置项目的属性把它改为多字节，不用UNICODE。不过现在又遇到宽字节的问题，没有办法，只有硬着头皮学学：我找到的资料：http://hi.baidu.com/shongbee2/blog/item/207925546b6cdd5fd10906e0.htmlhttp://hi.baidu.com/shongbe
2014-07-16 14:00:18
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原创 [宽搜]J
DescriptionThe earth is under an attack of a deadly virus. Luckily, prompt actions of the Ministry of Health against this emergency successfully confined the spread of the infection within a squar
2014-05-24 15:36:28
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原创 [几何]D
DescriptionNumbers of black and white points are placed on a plane. Let's imagine that a straight line of infinite length is drawn on the plane. When the line does not meet any of the points, the
2014-05-24 15:27:45
681
原创 [预处理优化][动态规划]D
Problem D: DTime Limit: 5 Sec Memory Limit: 128 MBSubmit: 64 Solved: 9[Submit][Status][Web Board]DescriptionThere is a N*M matrix, and each cell of the matrix has an integer number.
2014-04-29 13:02:57
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原创 [BFS]C
Problem C: CTime Limit: 5 Sec Memory Limit: 128 MBSubmit: 36 Solved: 5[Submit][Status][Web Board]DescriptionX opened his eyes slowly and found himself in a strange place. He remember
2014-04-29 12:51:17
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原创 [树状数组]操作数列
Problem E: 操作数列Time Limit: 3 Sec Memory Limit: 128 MBSubmit: 39 Solved: 10[Submit][Status][Web Board]Description对于一个长度为n(n1 x y c (02 x (0 1 x y c 操作表示，将区间[x,y]中的全部元素都异或c;2 x
2014-04-29 12:44:56
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原创 [矩阵乘法][最短路]无奈的学长
Problem A: 无奈的学长Time Limit: 1 Sec Memory Limit: 128 MBSubmit: 26 Solved: 3[Submit][Status][Web Board]Description众所周知，YONG学长是一个有妹子的汉子，可是众所不周知，有妹子的汉子给学弟出一道题做也会经常被打断。“喂，亲爱的，我在A区，你在学院给
2014-04-29 12:18:35
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原创 [树状数组][离散化]Ultra-QuickSort
Ultra-QuickSortTime Limit: 7000MS Memory Limit: 65536KTotal Submissions: 38472 Accepted: 13874DescriptionIn this problem, you have to analyze a particular sorting a
2014-04-26 17:51:41
654
原创 [二分][hash]最长公共子串
1251: 最长公共子串Time Limit: 5 Sec Memory Limit: 128 MBSubmit: 76 Solved: 15[Submit][Status][Web Board]Description给定2个字符串，求这两个字符串的最长公共子串。Input第一行一个正整数T对于每组输入数据，有两行字符串（每个字符串的长度小于
2014-04-23 12:13:50
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原创 [Hash]变为回文串
1250: 变为回文串Time Limit: 1 Sec Memory Limit: 128 MBSubmit: 59 Solved: 18[Submit][Status][Web Board]Description我们现在给你一个字符串，我们规定只能在这个字符串的右边添加字符，问最少添加多少字符可以使这个字符串变为回文串？回文串的定义见C题，不再赘述了。。。
2014-04-22 23:15:51
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原创 [爬虫]Luoo客户端
import urllib.requestimport sysimport timefrom PyQt4 import QtGui,QtCore#Label with pictures which can be clicked and toggledclass HexLabel(QtGui.QLabel): def __init__(self,parent=None):
2014-04-19 18:34:56
1174
原创 [数据结构]K-Max Sum
C.K-MaxSumDescriptionHerethereisaveryclassicalproblem---MaxSum!Let'sreviewtheclasssicalproblem:Givenasequencea[1
2014-04-15 19:55:06
657
原创 [字符串]Very easy
InputThe test start with n which means that there are n cases.The first line of each case gives two number p,q:the threshold and the size of excepted-word set.The next line will give q words t
2014-04-15 19:45:06
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原创 Eclipse和Pydev鼓捣笔记
Eclipse的默认安装目录是/usr/lib/eclipse，好奇怪。PyDev要求jdk1.7安装好1.7之后显示版本并没有更新sudo update-alternatives --config java 命令可以修改现在用的软件的版本
2014-03-29 12:50:24
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原创 linux修复笔记
装豆瓣fm（python版本过老）==> 安装python3.2 ==> 做软链接 python3.2 到/usr/bin/python ==> 缺少PyQt4模块 ==> 安装PyQt==> 安装不了，升级不了，删不了，一堆broken package ==> 检查日志发现很多脚本解释不了 ==> 查到ubuntu底层实现由python2.x，怀疑是python3作怪 ==> 恢复pytho
2014-03-27 15:24:56
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原创 笔记
临域算法:数据随机分成n组,选一组作测试集,剩下n-1组做训练集.每次实验选择不同的k和相同的随机数种子seed.用n次实验的平均值作为最后的评测指标.防止某次实验的结果是过拟合的结果.基于用户的临域算法优化算法,建立一个倒查表惩罚过于流行的物品,因为冷门物品更能体现出用户相似度基于物品的临域算法同样采用倒查表惩罚过于流行的物品,因为冷门物品之间更能
2014-03-23 16:41:54
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原创 笔记
C++头文件用#ifndf H_XXX #define H_XXX #endif避免重复包含,#pragma once避免重复编译子类有时候需要在函数最开头写上父类的函数调用(加上父类的域),以完成一些必须的通用的功能.最好用一个stdafx.h之类的文件来包含常用的库,cpp文件就只包含对应的头文件和stdafx.h头文件.如果一个类只希望有一个实例,可以用一个静态的
2014-03-20 21:48:34
679
原创 笔记
Makefile目标(Target),第一个为默认的,:之后的表示依赖的目标.变量可以起到宏的作用编译器 -c 源文件列表.行首有Tab编译器 -o 目标文件列表.行首有Tabmake会自动检查目标的修改时间是否改变.PHONY目标是伪的,不会检查更新目标文件的更新Lua安装make linuxsudo cp lua luac /usr/binsud
2014-03-14 23:56:33
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原创 [堆][贪心]cf228cFox and Box Accumulation
C. Fox and Box Accumulationtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFox Ciel has n boxes in her room. They hav
2014-02-24 14:31:00
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原创 [枚举]cf228b
B. Fox and Crosstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputFox Ciel has a board with n rows and n columns. So,
2014-02-24 14:21:30
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原创 [暴力]cf229CInna and Candy Boxes
C. Inna and Candy Boxestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputInna loves sweets very much. She has n closed
2014-02-24 14:16:54
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原创 [贪心]Rockethon2014bWord Folding
B. Word Foldingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou will receive 5 points for solving this problem.M
2014-02-24 14:02:50
636
原创 Linux修复笔记
140217在复制文件的时候系统崩溃并且不能进入引导界面。用U盘制作了一个启动盘：UltraISO制作，格式化U盘，添加syslinux引导，选择光盘镜像，制作成功。用启动盘启动。fsck检查硬盘/dev/sda3，发现文件系统错误并且成功修复错误。重启时/tmp出问题，自动修复，再重启成功
2014-02-17 22:19:59
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原创 [贪心]cf225cMilking cows
C. Milking cowstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIahub helps his grandfather at the farm. Today he must
2014-02-01 00:51:19
773
原创 [贪心]cf225bMultitasking
B. Multitaskingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIahub wants to enhance his multitasking abilities. In
2014-01-31 23:47:37
842
原创 [贪心]cf226bBear and Strings
B. Bear and Stringstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe bear has a string s = s1s2...s|s| (record
2014-01-31 23:42:57
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原创 [数学]cf226cBear and Prime Numbers
C. Bear and Prime Numberstime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputRecently, the bear started studying data st
2014-01-31 23:38:47
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原创 [枚举]cf227b
B. George and Roundtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputGeorge decided to prepare a Codesecrof round, so h
2014-01-31 21:20:16
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原创 [贪心]CF227C.Geoge and Number
C. George and Numbertime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputGeorge is a cat, so he really likes to play. Most
2014-01-31 21:14:08
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转载 游戏引擎开发之路
不研究这么深，怎么能成为精英——————————想起写这篇文章是在看侯杰先生的《深入浅出MFC》时,突然觉得自己在大学这几年关于游戏编程方面还算是有些心得，因此写出这篇小文,介绍我眼中的游戏程序员的书单与源代码参考。一则是作为自己今后两年学习目标的备忘录,二来没准对别人也有点参考价值。我的原则是只写自己研究过或准备研究的资料，所以内容无疑会带上强烈的个人喜好色彩,比如对网络,数据库
2014-01-29 23:40:57
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原创 Ubuntu12.04折腾笔记
installArchives() failed: (Reading database ... (Reading database ... 5%%(Reading database ... 10%%(Reading database ... 15%%(Reading database ... 20%%(Reading database ... 25%%(Reading da
2014-01-27 01:55:51
740
转载 codeblocks安装补充
just introduce *unix environment install steps and notes;my system environment: ubuntu 12.04download source code of code::blocks from : codeblocks_12.11-1.tar.gz$./bootstrap./bootstrap: 63:
2013-12-21 15:35:16
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原创 Codeblocks 12.11安装笔记
SVN下载源代码:svn co svn://svn.berlios.de/codeblocks/trunk codeblocks进入trunk配置configure和依赖关系:./bootstrap失败，找不到wxWidgets .m4，AM_什么宏未定义，临时写入环境变量export ACLOCAL_FLAGS="-I `wx-config -
2013-12-21 12:39:35
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