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Need 50 easy, 50 medium and 50 hard Puzzles

 
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VIDEN

Joined: 02 Oct 2006
Posts: 55
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Location: Germany

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PostPosted: Wed Nov 22, 2006 12:32 pm    Post subject: Need 50 easy, 50 medium and 50 hard Puzzles Reply with quote

I am now pretty much finished with my first stable working Version of my Sudoku game. Of course there always are things to optimize but so far its okay.

Actually I wanted to implement an own Generator.
But if I want one with different difficulties (which is what I do want!) I will have to implement different solving techniques like naked Singles, hidden Singles ect. in my solver and in the moment I'm just using a backtracking one.
I started off with the naked and hidden Singles which are quite easy but since I will have to go to university from December to March I wan't to have a stable, working release till the end of November.
So I descidet to use a puzzle DataBase for now and maybe work on the Generator/ logical Solver later.

I am using 3 *.txt-Files as data base:
EasyPuzzles.txt / MediumPuzzles.txt / HardPuzzles.txt
The Puzzles are saved in lines like:
000306500800500000010000040900080020000000000040060001050000010000009002006108000
and then read out by my "Generator" class.

Well everything is working, the only problem is I don't have any puzzles Wink
of course I could just surf through the Internet and steal puzzles, but thats not what I want to do!
So if somone would be so kind and provide me with 50 easy, 50 medium and 50 hard puzzles from his/her own Generater I would be really thankful.
Oh, and my Program does not show candidates so coloring, and XY-Wings and things whith similar difficulty will propably even be too hard for the hard ones.

Greets David
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VIDEN

Joined: 02 Oct 2006
Posts: 55
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Location: Germany

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PostPosted: Fri Nov 24, 2006 8:43 am    Post subject: Reply with quote

I now have the needed Puzzles.
A BIG thx to Ruud Smile Mr. Green

Greets David
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Jay

Joined: 19 Apr 2011
Posts: 7
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Location: London

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PostPosted: Fri Apr 22, 2011 10:37 am    Post subject: Similar Request! Reply with quote

Hello all I was wondering if anyone could extend me the same favor as Viden asked for, a small library of around 50 sample easy, medium and hard Sudoku in the usual format.
Unfortunately i haven't had time to produce a working generator for Problems, but my solver seems to work correctly!

Thanks in Advance!
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Pat

Joined: 06 Sep 2006
Posts: 243
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PostPosted: Tue Apr 26, 2011 7:07 am    Post subject: Reply with quote

Jay wrote:
I was wondering if anyone could extend me the same favor as Viden asked for,
a small library of around 50 sample easy, medium, and hard Sudoku

Ruud (2006.Apr.13) posted a collection of 244 puzzles
that need no more than naked triples
    what's your definition of
    "easy, medium, and hard" ?

    or -- here are 12 nice examples from Ruud's collection,
    would you call them hard ?

      .8...5.2..7.21........6.3..4.......1.35.2.49.9.......3..9.8........59.8..5.7...6. # 68
      13...8....6.........2...4.9...82.67.....6.....15.74...9.7...2.........9....2...83 # 155
      ..7..5...1...6.3.9.8....7......46....721.869....97......6....1.4.3.1...7...7..2.. # 178
      42.....5.1.8.3..7...96.......62.8.......1.......7.63.......78...4..5.7.9.9.....32 # 224

      .9...2.3..5..4...6.......74....8.2...1.....5...4.7....93.......8...3..6..2.9...1. # 32
      1.......75..643.....9.......1......84.62.53.93......7.......2.....381..49.......5 # 46
      ..3..6....7.2......8..1.6.9...8...1..67.3.84..5...7...3.8.9..2......1.6....4..1.. # 51
      2....89..13....5..6..72.....8...4..9.........9..6...2.....43..1..3....46..41....8 # 116
      .....82..9..15....7..2..4....7....36...5.9...43....5....8..6..5....85..4..27..... # 146
      .67....5.8...1......9..2..842.6.......69.38.......4.761..4..7......9...5.8....36. # 241
      ......5.4..34....2..9.82...24...19.............89...76...23.8..6....97..1.7...... # 74
      ....19..63....75.8.46......4.....6...5.684.2...2.....7......16.1.87....56..35.... # 107
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Jay

Joined: 19 Apr 2011
Posts: 7
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Location: London

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PostPosted: Wed Apr 27, 2011 3:39 pm    Post subject: Obtained Reply with quote

Thanks for the Suggestions Pat..

I have since derived a small library of puzzles fitting my requirements..

To answer your Question.. yes i would call those sudoku puzzles listed as hard puzzles, however my Solver is very basic, implementing only a few techniques for solving.

Thanks Again

Jay
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