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Sudoku Solver Web Service

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'It's a Sudoku' - Me. 'It's a trap!' - A. Ackbar Nick asked for it, and now you've got it: my Sudoku Solver that I cooked up with Visual Web Developer 2005 Express Edition, exposed as an ASP.NET 2.0 Web Service. The link goes to an explanation of how to consume the service. I also posted some sample code which you can download to consume the web service and solve a puzzle. The sample code is a really simple Console Application which you can open with Visual C# 2005 Express Edition (or Visual Studio 2005 Standard / Professional / Team System)

I haven't had the chance to pretty this up. Anyone care to write an Avalon front end? :)

Now, don't you all be cheatin' solving those four-by-four "Super Sudokus" from the Sunday Indo with this utility and making 150 yoyos a week for it :)

[Updated Links Feb 06 - moved off of vwdhosting.net and posted the code!]

Comments

  • Anonymous
    December 06, 2005
    The comment has been removed

  • Anonymous
    December 06, 2005
    True... true... with great power comes great responsibility :) There's no fun in using the solver instead of solving it yourself, but it's fun coming up with an algorithm that will solve 'em! Astaroth... he was always my favourite Soul Calbur character.. and he'd solve Sudokus with honour, let me tell you :)

  • Anonymous
    December 06, 2005
    The comment has been removed

  • Anonymous
    December 06, 2005
    Rob,
    I'm impressed - your algorithm seems to have all the look ahead stuff and gets this one:

    002 | 090 | 107
    038 | 600 | 000
    400 | 000 | 000
    ----+-----+----
    000 | 005 | 000
    009 | 010 | 300
    000 | 400 | 000
    ----+-----+----
    000 | 000 | 004
    000 | 007 | 920
    806 | 030 | 700

    which the guys on Soduku Programmers rate as very hard:

    http://www.setbb.com/phpbb/viewtopic.php?t=103&mforum=sudoku


    aStaRoth: it ain't about solving the sodukus, it's about writing something that can solve them, and as a programmer that is what the challenge is. We will still do them by hand even after writing a solver.... It aint the destination, it's the journey....

  • Anonymous
    December 06, 2005
    Pete: yeah yeah, details. :) glad to hear you'd do them by hand though, that makes me feel better about there being solvers. i still like crossword puzzles better though -- i feel like sudoku puzzles have no soul because they're all numbers and you can solve them all. but there will always be some crosswords i can't finish because i simply don't know the facts needed to answer the clues, and i like that.

  • Anonymous
    December 07, 2005
    The comment has been removed

  • Anonymous
    December 07, 2005
    zamboni!

    wait...

    hm...

    der...

    big stick!

    hmm....

    grunt slaver menace

    i give up.

  • Anonymous
    February 16, 2006
    I've had a couple of requests for the code to my Sudoku Solver to use as a test of a simple ASP.NET...

  • Anonymous
    May 08, 2008
    PingBack from http://tyler.unoccupiedmedia.info/sudokusolvers.html

  • Anonymous
    May 26, 2009
    PingBack from http://castironbakeware.info/story.php?title=robert-burke-s-msdn-weblog-sudoku-solver-web-service