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Error in 4/31 (Byte swapping)
Posted by Geb. Geb ZetaX Germany

Today I was told by horst35 that there is an error in 4/31. The riddle's solution is case sensitive (which is intended), but whereas the expected solution ends with a lowercase letter, the riddle itself gives an uppercase letter.

@All: If you already got some reasonable [Read More]

Last post by Pha. Pharaoh Sphinx on 2010-01-04 23:02:06
2279 views | 1 replies | 5 +votes | 1 −votes
A new year...
Posted by Pha. Pharaoh Sphinx Singapore

And a new Geb!

Congrats to Varg!

And Happy New Year to all :)

Last post by Geb. Geb Varg on 2010-01-03 00:35:09
1731 views | 1 replies | 8 +votes | 0 −votes
300 challenges!
Posted by Pha. Pharaoh Sphinx Singapore

There hasn't been a new challenge for decades Surprised

If you would like to contribute a challenge, send your idea(s) to rankk.org@gmail.com. [Read More]

Last post by Geb. Geb shortbreak on 2009-12-14 13:05:47
1873 views | 2 replies | 6 +votes | 0 −votes
Challenge 4/40
Posted by Pha. Pharaoh Sphinx Singapore

Title: Signal to noise

Brought to you by [Read More]

Posted on 2009-12-12 11:51:11
1806 views | 0 replies | 4 +votes | 0 −votes
Challenge 1/54
Posted by Pha. Pharaoh Sphinx Singapore

Title: Delta

Brought to you by [Read More]

Posted on 2009-12-09 22:06:34
2020 views | 0 replies | 5 +votes | 0 −votes
1/8 encrypted string
Posted by Scr. Scribe Obsidian_Age New Zealand

The encrypted string in 1/8 doesn't appear to decode. Is there an error in the string or are we supposed to decode it manually, because that seems a bit much for a level 1...

Posted on 2009-11-29 13:49:47
2005 views | 0 replies | 4 +votes | 1 −votes
Level 4 SudokuII
Posted by Scr. Scribe stevewong

I think there is something wrong with level4's sudokuII page. I finished the sudoku and go to the next part, I then submit the answer for the next part, but the page will never redirect. I think the code in the second part is not corrrect, especially in the return [Read More]

Last post by Nob. Noble Veric on 2009-10-24 10:17:03
2407 views | 3 replies | 11 +votes | 0 −votes
1/25
Posted by Mer. Merchant darkbilbo France

HI.

Is brute forcing allowed for 1/25? I mean, we're supposed to use it, right?

Last post by Mer. Merchant sinobaako on 2009-10-10 22:25:08
1954 views | 4 replies | 7 +votes | 1 −votes
I am not an intruder!!
Posted by Pha. Pharaoh wonko Israel

U R N S!

JK.

Posted on 2009-08-02 17:09:08
1768 views | 0 replies | 9 +votes | 0 −votes
The Toughest Developer Puzzle Ever
Posted by Pha. Pharaoh Sphinx Singapore

Link to challenge site: http://www.toughestdeveloperpuzzleever.com/tdpe/

Link to story: The Toughest Developer Puzzle Ever

The Toughest Developer Puzzle Ever is a new puzzle site aimed at programmers in the same vein as web-based puzzle challenges such as notpron, Rankk [Read More]

Last post by Geb. Geb quangntenemy on 2009-07-28 22:02:27
3072 views | 2 replies | 11 +votes | 0 −votes
Level 1/5
Posted by Pha. Pharaoh yammesicka Israel

Any ideas?

Last post by Pha. Pharaoh yammesicka on 2009-07-16 00:49:37
2251 views | 2 replies | 7 +votes | 3 −votes
Hi everyone
Posted by Art. Artisan herzel

=)

Posted on 2009-07-12 15:31:53
1689 views | 0 replies | 7 +votes | 0 −votes
test
Posted by Scr. Scribe Cerades

test

Posted on 2009-07-02 04:39:30
1626 views | 0 replies | 4 +votes | 4 −votes
3/59
Posted by Pha. Pharaoh Sphinx Singapore

Title: Weight measuring theory

Brought to you by galen.

Thanks and cheers to galen!

Last post by Pha. Pharaoh Sphinx on 2009-06-24 11:03:32
2868 views | 17 replies | 10 +votes | 0 −votes
2/6 Don't blink (I solved it, congratulations)
Posted by Scr. Scribe shokola France

EDIT : I realize I should have posted this in STICKY: Challenge corrections/suggestions. Sorry for that. futhermore, my post is a duplicate !

Hi,

I would like to expose my terrible case here. I worked hard on this challenge during 3 days and 3 nights. And now I think I [Read More]

Last post by Scr. Scribe shokola on 2009-06-16 05:37:37
1924 views | 1 replies | 8 +votes | 0 −votes
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