gsf's sudoku solver

Programs which generate, solve, and analyze Sudoku puzzles

gsf's sudoku solver

Postby ThemePark » Wed Nov 30, 2011 1:44 am

Back in June I noticed that gsf had uploaded a very old version of his sudoku solver, so I PMed him about it. He told me to contact him again if I hadn't heard from him by the end of August. I have PMed him a few times since then and haven't heard from him.

The problem is that it's becoming rather urgent that I get a hold of the program as I need to generate the essentially different sudokus for a project I'm doing. So I was wondering if somebody could either upload it to a file sharing site and give the link here, or PM me so you can get my mail address and mail it to me.

I know only of two versions 2010-06-09, and 2010-10-10, either version will do.
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Re: gsf's sudoku solver

Postby eleven » Wed Nov 30, 2011 9:19 am

Oops, strange, the last linux version i have is dated 2010-03-15, but the current download version says 2005-10-14.
Guess you are not happy with the linux version (09-07-17 is enough to generate the grids), but i am sure, you get what you need from others.
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Re: gsf's sudoku solver

Postby ThemePark » Wed Nov 30, 2011 3:57 pm

Right, I forgot to say that, but I need the Windows version. And yeah, like I said he uploaded an old version a few months ago.
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Re: gsf's sudoku solver

Postby eleven » Fri Dec 02, 2011 8:25 pm

Hmm, whats that now ??
Why dont you help him, gsf, Jason, Pat, ronk ?
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Re: gsf's sudoku solver

Postby ronk » Fri Dec 02, 2011 10:36 pm

eleven wrote:Hmm, whats that now ??
Why dont you help him, gsf, Jason, Pat, ronk ?

I've got the 2010-10-10 version. Any suggestions for a public-access exchange (hosting) site?
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Re: gsf's sudoku solver

Postby JasonLion » Sat Dec 03, 2011 1:49 am

I can host the file here if someone sends it to me.
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Re: gsf's sudoku solver

Postby gsf » Sat Dec 03, 2011 6:05 am

I;ve been sequestered in a hacking cave for a few months
hope to emerge in a week or so and get the sudoku.exe uploads up to date then
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Re: gsf's sudoku solver

Postby tarek » Sat Dec 03, 2011 8:40 am

If there are any problems, I've got the Dec 9th 2009 version

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Re: gsf's sudoku solver

Postby Pat » Sun Dec 04, 2011 10:09 am

JasonLion wrote:I can host the file here if someone sends it to me.

okay here it is (attached)
Attachments
g.ZIP
2010.Oct.10 EXE (Windows)
(171.07 KiB) Downloaded 249 times
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Re: gsf's sudoku solver

Postby ThemePark » Sun Dec 04, 2011 5:04 pm

Brilliant, thanks Pat! Do note though that this version writes 7 empty bytes at the beginning and writes the 7 bytes of the sudz header at the end, so move the last 7 bytes to the beginning and it can then be decompressed into a text file. I PMed gsf about this a while ago and I figure it's this needed update that has ended up in the 2005 version being on the website. But apart from the minor header problem, this works beautifully. Thanks again!

And no need to hurry with that, gsf, now that we have the latest version of your solver in here.
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Re: gsf's sudoku solver

Postby gsf » Sun Dec 04, 2011 10:30 pm

ThemePark wrote:Brilliant, thanks Pat! Do note though that this version writes 7 empty bytes at the beginning and writes the 7 bytes of the sudz header at the end, so move the last 7 bytes to the beginning and it can then be decompressed into a text file. I PMed gsf about this a while ago and I figure it's this needed update that has ended up in the 2005 version being on the website. But apart from the minor header problem, this works beautifully. Thanks again!

And no need to hurry with that, gsf, now that we have the latest version of your solver in here.

refresh me on the command line options you used so I can verify the 7 byte header problem has been fixed
thanks
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Re: gsf's sudoku solver

Postby ThemePark » Mon Dec 05, 2011 1:09 am

gsf wrote:
ThemePark wrote:Brilliant, thanks Pat! Do note though that this version writes 7 empty bytes at the beginning and writes the 7 bytes of the sudz header at the end, so move the last 7 bytes to the beginning and it can then be decompressed into a text file. I PMed gsf about this a while ago and I figure it's this needed update that has ended up in the 2005 version being on the website. But apart from the minor header problem, this works beautifully. Thanks again!

And no need to hurry with that, gsf, now that we have the latest version of your solver in here.

refresh me on the command line options you used so I can verify the 7 byte header problem has been fixed
thanks

sudoku.exe -gb3 -f%#ec -o 3.sln.sudz
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Re: gsf's sudoku solver

Postby gsf » Thu Jan 05, 2012 3:43 pm

happy new year
I finally got time to update sudoku.exe version 2011-11-11 and other executables at
http://www.research.att.com/~gsf/sudoku/
the ast-sudoku source tgz is available at
http://www.research.att.com/sw/download/
this includes a fix to the subgrid minlex canonicalizer by dobrichev
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Re: gsf's sudoku solver

Postby bundy » Fri Jan 06, 2012 3:36 am

ok you got me curious, what is so special about the solver?
perhaps my zoodokoo would work, as well no?

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Re: gsf's sudoku solver

Postby Serg » Fri Jan 06, 2012 11:31 pm

Hi, gsf!
gsf wrote:I finally got time to update sudoku.exe version 2011-11-11 and other executables at
http://www.research.att.com/~gsf/sudoku/
the ast-sudoku source tgz is available at
http://www.research.att.com/sw/download/
this includes a fix to the subgrid minlex canonicalizer by dobrichev

I use your "sudoku" tool mainly to find patterns for the given puzzles. You developed very useful tool, thank you!
I searched for new "sudoku.exe" executable for Windows and didn't find it going by your links. Is it available?

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