在其他的平行宇宙中存在着一个古老的星系--Akhaten,星系中有七个世界,上面生活着Panbabylonian.Lucanian等物种,不过外界也常常把他们统称为Akhet,因为这七个世界环绕着同一颗恒星.那里的人们有一个共同的信仰--宇宙中的生命都发源于此. 在Akhaten中有一个金字塔,里面供奉着他们的上古之神,这里被称为太阳歌颂者的圣地.每过一千年的时候,Akhaten星系的星环会对齐,人们在这天会举行一个供奉节(The Festival of Offerings),The Queen…

Rings需求 如果有一段lua脚本代码, 本来来源不可靠, 可能有安全性问题, 或者不像让这份代码污染了正在执行的lua环境, 则需要lua rings工具出厂了. 其在主lua环境中,即在宿主脚本中, 调用rings库创建一个子的lua环境, 将不可靠的lua代码在子lua环境中运行, 运行完毕环境销毁, 一点都不影响宿主环境. Rings is a library which provides a way to create new Lua states from within Lua.…

Problem D Rings'n'Ropes Time Limit: 3 seconds "Well, that seems to be the situation. But, I don't want that, and you don't want that, and Ringo here definitely doesn't want that." Jules Winnfield I have n tiny rings made of steel. I also have m …

Chinese Rings Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 623    Accepted Submission(s): 370 Problem Description Dumbear likes to play the Chinese Rings (Baguenaudier). It’s a game played wi…

Chinese Rings Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 46 Accepted Submission(s): 29   Problem Description Dumbear likes to play the Chinese Rings (Baguenaudier). It’s a game played with ni…

题目:Bridged Marble Rings 链接:http://acm.hdu.edu.cn/showproblem.php?pid=2174 题意:如图,要把所有灰色球移动到上圈,每次操作可以转图中虚线圈起的三个圆,求中间圆的最少转数.题目给出的是字符串,g代表灰色球,y代表黄色球,起始位置看标记. 思路: BFS打表+最小表示法 令g=1,y=0,用int 表示当前状态. 最开始直接用BFS打表,超时超内存,按我最初的算法,所有状态总数为C(26,13)约等于1000多万种.但实际上,因…

Chinese Rings 转载自:点这里 [题目链接]Chinese Rings [题目类型]常数矩阵 &题意: 一种中国环,解开第k个环需要先解开全部的前(k-2)个环,并留有第(k-1)环.问解开n环最少需要几步. &题解: 题目规定如果要拆第n个环,那么第n-1个要挂着,所有前n-2个环都要被拆下.那么我们设f(n)表示拆下前n个环的最少的步骤. 那么考虑第n个环的情况,第n-1个环必须要挂着,n-2环要拆下,那么这一步就要f(n-2),拆下第n个需要1步.然后只剩下第n-1个环,…

原文标题:CPU Rings, Privilege, and Protection 原文地址:http://duartes.org/gustavo/blog/ [注:本人水平有限,只好挑一些国外高手的精彩文章翻译一下.一来自己复习,二来与大家分享.] 可能你凭借直觉就知道应用程序的功能受到了Intel x86计算机的某种限制,有些特定的任务只有操作系统的代码才可以完成,但是你知道这到底是怎么一回事吗?在这篇文章里,我们会接触到x86的特权级(privilege level),看看操作系统和CPU…

http://www.bnuoj.com/bnuoj/problem_show.php?pid=16030 Concentric Rings   There are several different concentric rings on the ground. Some of them may overlap. In Figure 1, there are 3 rings: blue, green and red. The red one is just above the green on…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2842 题目: Problem Description Dumbear likes to play the Chinese Rings (Baguenaudier). It’s a game played with nine rings on a bar. The rules of this game are very simple: At first, the nine rings are all…