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hdu3713 Double Maze
Problem DescriptionUnlike single maze, double maze requires a common sequence of commands to solve both mazes. See the figure below for a quick unders...
分类:其他好文   时间:2014-08-30 01:14:48    阅读次数:329
RGB 与 (RGB转 YCbCr再转为 RGB)的图像
RGB 与 (RGB转 YCbCr再转为 RGB)的图像   不可逆,可以从 矩阵的逆运算看出来。 附上 matlab 代码:         clc,clear; Source=imread('1.jpg');%读入原始RGB图像 figure(1); subplot(1,2,1); imshow(Source):title('original image');%显示图像 [r c d]=...
分类:其他好文   时间:2014-08-28 19:51:25    阅读次数:292
内存对齐之深度探索
编译器为什么要替我们内存对齐?学了计算机组成原理,了解了内存的基本单元是一个字节,内存可以随机寻址,于是乎我天真的认为内存就是一个字节型的容器,基本单位是单个字节。Figure 1. 我眼中的内存空间布局悲剧的是,内存读写的真正访问者cpu不是这么想的。cpu是根据内存访问粒度(memory acc...
分类:其他好文   时间:2014-08-28 18:04:25    阅读次数:316
Eclipse + XAMPP + Wordpress system setup in Windows Vista
Setup the Eclipse + XAMPP + Wordpress debugging system in my Windows Vista system, it takes quite considerable effort to figure out the workable way to all of these, record down the procedure....
分类:Windows程序   时间:2014-08-28 17:00:20    阅读次数:453
hdu 1050 Moving Tables
Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following figure. The floor has 200 rooms each on the north side and south side...
分类:其他好文   时间:2014-08-20 16:36:12    阅读次数:263
NAV导航栏———下拉菜单
利用CSS实现导航栏菜单—下拉菜单。首先给出HTML下拉菜单布局格式: Stylin' with CSS - Figure 6.5 Drop-Down Menus Business ...
分类:其他好文   时间:2014-08-18 15:44:52    阅读次数:286
主成分分析(PCA)——以2维图像为例
这一节不论是思想还是实现都比较容易。 主成分分析(PCA)就是模式识别里面说的K-L变换,思想是完全相同的。 详情可见我的博文:特征选择(三)-K-L变换 这里简单介绍几个概念。顺便贴出代码和效果图。 xRot = zeros(size(x)); xRot=u'*x; figure(2); scatter(xRot(1, :), xRot(2, :)); title('xRot');得到原...
分类:其他好文   时间:2014-08-11 18:04:42    阅读次数:309
HDU3944-DP?(帕斯卡公式+Lucas定理)
DP? Time Limit: 10000/3000 MS (Java/Others)    Memory Limit: 128000/128000 K (Java/Others) Total Submission(s): 1930    Accepted Submission(s): 640 Problem Description Figure 1 shows t...
分类:其他好文   时间:2014-08-11 18:01:32    阅读次数:286
poj 2007 Scrambled Polygon(极角排序)
http://poj.org/problem?id=2007Time Limit:1000MSMemory Limit:30000KTotal Submissions:6701Accepted:3185DescriptionA closed polygon is a figure bounded b...
分类:其他好文   时间:2014-08-08 17:23:56    阅读次数:215
POJ 3221 Diamond Puzzle
Description A diamond puzzle is played on a tessellated hexagon like the one shown in Figure 1 below. And in this problem the faces produced by the tessellation are identified as they are numbered ...
分类:其他好文   时间:2014-08-07 23:03:25    阅读次数:348
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