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UVA 11149-Power of Matrix (等比矩阵求和)
Problem B : Power of Matrix Time limit: 10 seconds Consider an n-by-n matrix A. We define Ak = A * A * ... * A (k times). Here, * denotes the usual matrix multiplication. You ar...
分类:其他好文   时间:2015-04-10 18:07:31    阅读次数:220
angularJS介绍。
1 Nothing here {{'yet'+'!'}}AngularJS的作用:把后台返回的JSON作为前端的model.在angularJS中使用html进行渲染。或者后台的视图作为前端的模型,而整个前端就是后台的视图。ng-app指令标记了angularJS脚本的作用域,在中添加ng-app属...
分类:Web程序   时间:2015-04-10 17:50:51    阅读次数:110
Leetcode: Sort Colors
题目: Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue.Here, we will use the integers...
分类:其他好文   时间:2015-04-10 11:27:26    阅读次数:129
D. Little Girl and Maximum XOR(贪心)
D. Little Girl and Maximum XOR A little girl loves problems on bitwise operations very much. Here's one of them. You are given two integers l and r. Let's consider the values of for all pa...
分类:其他好文   时间:2015-04-10 09:40:40    阅读次数:147
【矩阵快速幂】POJ 3070 Fibonacci (大数 Fibonacci)(大二版)
题目链接:click here~~ 题目大意: In the Fibonacci integer sequence, F0 = 0, F1 = 1, and Fn = Fn ? 1 + Fn ? 2 for n ≥ 2. For example, the first ten terms of the Fibonacci sequence are: 0, 1, 1, 2, 3,...
分类:其他好文   时间:2015-04-09 22:03:58    阅读次数:141
Linux命令(九)管道和I/O重定向>、>>、2>、2>>、&>、<、<<、tee
重定向:> > : 覆盖输出>>:追加输出set -C: 禁止对已经存在文件使用覆盖重定向; 强制覆盖输出,则使用 >|set +C: 关闭上述功能2>: 重定向错误输出2>>: 追加方式&>: 重定向标准输出或错误输出至同一个文件<:输入重定向<<:Here Document管道:前一个命令的输出...
分类:系统相关   时间:2015-04-09 19:44:20    阅读次数:163
js离开或刷新页面检测(且兼容FF,IE,Chrome)
Click here to navigate to www.jb51.net兼容FF,IE,Chrome的js离开或刷新页面检测,关键的部分是要有return
分类:Web程序   时间:2015-04-09 19:01:57    阅读次数:117
leetcode || 75、Sort Colors
problem: Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, white and blue. Here, we wi...
分类:其他好文   时间:2015-04-09 17:32:33    阅读次数:105
Playback audio data from memory in windows
Continue previous article : Understand wave format, and implement a wave reader , In here , I will demonstrate how to play audio in windows. (Zeroth are wave format, you could refer to previous a...
分类:Windows程序   时间:2015-04-09 01:01:02    阅读次数:291
SICP:2,4 序对的过程性表示方法
Here are the fully expand steps:0) at the beginning , we get expression ``(car (cons 1 2))``1) replace ``cons`` using ``(lambda (m) (m x y))`` , we ge...
分类:其他好文   时间:2015-04-09 00:49:11    阅读次数:113
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