hacker.org Forum Index
RegisterSearchFAQMemberlistUsergroupsLog in
Search found 338 matches
hacker.org Forum Index
Search found 338 matches
Author Message
Topic: Tiny Sentence Reversal
Hippo

Replies: 1
Views: 3517
PostForum: Challenges   Posted: Fri Feb 12, 2021 5:15 pm   Subject: Tiny Sentence Reversal
And 42 is still under the hill.
Topic: Tiny Sentence Reversal
Hippo

Replies: 1
Views: 3517
PostForum: Challenges   Posted: Thu Feb 11, 2021 12:59 am   Subject: Tiny Sentence Reversal
I just got 43 ... but I am afraid the last 3 steps will be hard ... (maybe there is nonzero tolerance ...)
Topic: Superhack multithreading stack error?
Hippo

Replies: 2
Views: 5575
PostForum: Challenges   Posted: Tue Feb 09, 2021 5:52 pm   Subject: Superhack multithreading stack error?
It works according to the definition. Don't forget that the memory is shared. The thread 0 has stack pointer pointing further than the thread 1, so thread 0 writes before thread 1 reaches the position ...
Topic: Matrix Recoded
Hippo

Replies: 5
Views: 10533
PostForum: Challenges   Posted: Sun Feb 07, 2021 9:59 pm   Subject: Matrix Recoded
This challenge is actually much easier than the number of solvers suggests.

There is already a lot of good hints here, and note that there are 32 columns.
Topic: Dungeon Master
Hippo

Replies: 66
Views: 73940
PostForum: Challenges   Posted: Fri Feb 28, 2020 10:11 am   Subject: Re: Is the challenge working ? (sorry, message does not app
Topic: Deluge
Hippo

Replies: 7
Views: 13896
PostForum: Challenges   Posted: Fri Jun 21, 2019 4:27 pm   Subject: Deluge
code "!" returns 'failed to flood correctly' is incorrect. (finished with wrong result)
code "0c" returns 'is incorrect.' (cycle limit exceeded)
code "+" returns 'is in ...
Topic: Deluge
Hippo

Replies: 7
Views: 12539
PostForum: Challenges   Posted: Mon Jun 17, 2019 10:26 am   Subject: Deluge
Hmm, this thread is old but for me the stated problem is still relevant.
My Program works fine on some sample inputs, including the one shown on the challenge-page and an empty grid. I'm always below ...
Topic: Deluge
Hippo

Replies: 17
Views: 20944
PostForum: Challenges   Posted: Mon Jun 17, 2019 10:15 am   Subject: Deluge
Hey ElleXuzZ, I got the same problem some time (wow, several years already) ago. Posted a similar question in another deluge-thread here: http://www.hacker.org/forum/viewtopic.php?t=1095
Never got a ...
Topic: Deluge
Hippo

Replies: 17
Views: 20944
PostForum: Challenges   Posted: Thu Jun 13, 2019 11:04 am   Subject: Deluge
Yep, the input format is as you have written.
Topic: Filtration Residue
Hippo

Replies: 24
Views: 31460
PostForum: Challenges   Posted: Tue Apr 09, 2019 7:34 am   Subject: Filtration Residue
ahh man, I've got so far with this. I've spotted the clever trick and found the hidden data inside, and I'd already used a tool eluded to earlier (always do with PNG puzzles) to look at the chunks, bu ...
Topic: Hope this website stays up
Hippo

Replies: 8
Views: 12694
PostForum: The Hacker's Server   Posted: Wed Nov 07, 2018 3:57 pm   Subject: Re: Hope this website stays up

The game is losing its appeal since so many solutions are now available online, at least for the lower level... Crying or Very sad

Fortunately solutions to levels separated by Spiral bits are kept rather secr ...
Topic: Level 233
Hippo

Replies: 0
Views: 10912
PostForum: Mortal Coil   Posted: Tue Sep 18, 2018 8:27 am   Subject: Level 233
I am stuck here for a very long time, I must have some problem in reasonning ... I have reduced the problem to size 13*23 (and checked it manually) ... and I am almost sure there is no solution ... Smile ...
Topic: Hope this website stays up
Hippo

Replies: 8
Views: 12694
PostForum: The Hacker's Server   Posted: Mon Jul 09, 2018 9:24 pm   Subject: Re: Hope this website stays up
I know the site hasn't had a high amount of maintenance or activity. But I think it is a real gem and should stay up for educational purposes. I would be very very sad if it went down. I have recommen ...
Topic: Didactic Feedback Cipher
Hippo

Replies: 23
Views: 33480
PostForum: Challenges   Posted: Wed Jul 04, 2018 6:19 am   Subject: Didactic Feedback Cipher
In this code

k = {unknown byte}
for (i = 0; i < len(txt); i++)
c = txt[i] ^ k
print c
k = c


This

k = c

should be this

k = txt[i& ...
Topic: Spiral Bits
Hippo

Replies: 38
Views: 48974
PostForum: Challenges   Posted: Mon Jun 11, 2018 11:56 am   Subject: Spiral Bits
ok i m stupid. I thought about the symmetry aspect, but gave up just to early to realize. Many thanks!

Enjoy post Spiral Bits challenges.
Page 1 of 23 Goto page 1, 2, 3 ... 21, 22, 23  Next
All times are GMT
Jump to: 


Powered by phpBB © 2001, 2005 phpBB Group
Design by Freestyle XL / Flowers Online.