一个hacker的网站http://www.hacker.org/(需要FQ)

如果看不到下面的图,说明你还在墙内。。。

  

这个网站实在是霸气外泄,上面的题目非常发散,各种计算机相关的问题,智力问题,加密解密什么的。

  比如这道

  

 
RootJie  
6626  
 

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Challenge 'Dit Dah' [Crypto]

- .... . .- -. ... .-- . .-. .. ... .... --- .- .-. ... .

 

 
第一眼看就毫无想法。这一串是什么东西,搜了一下,发现有人提示说这是Morse电码,遂查之:http://www.electrokits.com/References/Morse-Moris-Code
这串东西换成字母是:theanswerishoarse
所以提交 hoarse
这种略犀利的题还有很多,如:
 
RootJie  
6481  
 

back to challenges... | 2834 solvers

Challenge 'Didactic RGB' [Crypto]

Do you see the single-color image below?

This image is actually only 1 pixel by 1 pixel, and is stretched out here so you can see it. What can such an image represent? Pixels are commonly composed on a computer of red, green, and blue components. Each component can be any number of bits -- the more bits, the more detail an image can reflect. A common number of bits per color is eight. If we look at this single pixel, we get three colors of eight bits each, which equals 24 bits of data total. What to do with those 24 bits? For this challenge, express it as a decimal integer. That is your answer. (In other words, the answer looks something like '12345678'. These are all 24 bits considered as one single number in decimal.)

 

 
 
单独试了三原色,没有能通过的。用GIMP看了一下,还是没办法。
暂时没想法,而且hacker.org的论坛中外国的童鞋们对问思路还是很忌讳的,认为破坏游戏平衡(Hacker有自己的骄傲T_T)。所以基本上只能靠自己。
 
智力有待提升,闲了多去做做题。上面还有提交代码解决游戏问题的,也很有挑战性。

 

posted @ 2012-02-08 14:30  漂木  阅读(46)  评论(0)    收藏  举报