• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 353
  • Last Modified:

What kind of Algorithm is this !?!?

Check this out.
http://www.xiu520.com/bbs/hao/dxs.htm 

I just really want to know what is the algorithm for this.
I don't believe such thing like mind reader, there must be a algorithm that is runing behind it.

by the way, have some fun !!
0
jamewang
Asked:
jamewang
  • 2
1 Solution
 
ozoCommented:
Subtracting the sum of the digits from the number will always yield a multiple of 9
all the multiples of 9 (less than 90) seem to be the same symbol
0
 
sunnycoderCommented:
The result of the steps given there would always be a multiple of 9 and in the chart, all multiples of 9 have the same symbol
0
 
jamewangAuthor Commented:
I guess first come first. I'll give the points to ozo.
sorry about that, sunnycoder. but thanx any way.
0
 
ozoCommented:
For example, 9x always results in 90-9 and 8x always results in 80-8
so the only real choice you have is the first digit,
0

Featured Post

 The Evil-ution of Network Security Threats

What are the hacks that forever changed the security industry? To answer that question, we created an exciting new eBook that takes you on a trip through hacking history. It explores the top hacks from the 80s to 2010s, why they mattered, and how the security industry responded.

  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now