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Ghostpix - stuck in level 22/3

Discussion in 'General Talk [GPH]' started by hmn, Jan 29, 2018.

  1. hmn

    hmn Member

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    Am I missing something, or is the third screen of level 22 in Ghostpix just not solvable?

    P022-3a.png

    As far as I can tell, the remaining fields have no unambiguous solution. To make sure I'm not completely stupid, I also tried this puzzle with two nonogram solvers, (1 - Online, 2 - C++) and neither could solve it. (EDIT: Tried a third solver - which finds 6 possible solutions. EDIT: actually 5)

    Here is the actual solution, which I cheezed from the game data:

    P022-3b.png

    Does anyone remember playing this level?
     
    Last edited: Jan 30, 2018
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    levi likes this.
  2. Linux-SWAT

    Linux-SWAT Advanced Member

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    There's no 8 line in the 2-1-8 vertical.
    You missed a dot.
     
  3. ptitSeb

    ptitSeb Serial Porter

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    Yes, but I think the question is : how do you it's the dot at line 1113 and not the one at the 211?
     
  4. Linux-SWAT

    Linux-SWAT Advanced Member

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    Ah ok.
    I would say that the rightest vertical 31 and horizontal 2111 gives the first clue for the rightest vertical dot (14;13), then 511 11111 etc.
     
  5. miner2049er

    miner2049er Still Fresh

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    Hi, where can I get this game?

    Thanks
     
  6. hmn

    hmn Member

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    @Linux-SWAT: The problem is these clues are not definitive - there are 6 (EDIT: actually 5) equally valid solutions given the hints, but only one is correct. Someone else noticed ambiguous levels as well, in the comments for the GP2X release.

    @miner2049er: Search for "ghostpix" in the Resources section, or try the old archive. It was released for GP32, GP2X and Wiz at least.
     
    Last edited: Jan 30, 2018
  7. miner2049er

    miner2049er Still Fresh

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    Got it, thanks.

    Do I need to run it in Ginge?
     
  8. Linux-SWAT

    Linux-SWAT Advanced Member

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    While this one is not deterministic, the most probable answer (at least for me) is the good one.
     
  9. levi

    levi Still fresh, damnit!

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    In most picross games I've played, the answer is always deterministic, although the reasoning can on occasion be tortuous. But you should always be able to mark pieces with certainty from the start of the puzzle to the end.

    I've not played ghostpix, but from the screenshots it looks like it's a picross game.
     

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