Beefy Boxes and Bandwidth Generously Provided by pair Networks
P is for Practical

comment on

( [id://3333]=superdoc: print w/replies, xml ) Need Help??
Very cool. I have often thought about writing a minesweeper solver since it is a tough problem (NP Complete). I just never got around to it. I did a 20 second scan over your source to see what strategies you used and didn't really see any other than:
  • If I can cheat - cheat
  • If all the adjacent bombs have been flagged - clear the rest
  • If all the remaining unflagged adjacent squares add up to the number on the current square - flag them all as bombs
  • If none of the above, choose at random

I haven't read any minesweeper strategy guides, but I personally have more complex rules than above. For instance

??????? 121 Becomes ? B B ? 121 Because in order for the 2 to hold it would have to be one of the foll +owing ??BB??? 121 or ???BB?? 121 or ??B?B?? 121 And only the last one doesn't violate the rules of the "1" block.

Another strategy I use towards the end of the game when there are not that many unknown bombs remaining. For instance, you have X squares that have unsatisfied constraints, Y unflagged bombs, and Z unclicked/unflagged squares. If the total number of unsatisfied constraints of X squares accounts for all of the Y unflagged bombs then all of the Z unclicked/unflagged squares that are not adjacent to any of the X squares are not bombs.

My final strategy is when I have to guess. Rather than picking any square at random, I use a relationship to the number of unflagged/unclicked squares in an "area" to the number of bombs remaining. I choose areas where there is less of a chance of choosing a bomb. Of course, this strategy is probably not mathematically sound.

Have you considered incorporating any of these (or more advanced strategies)? I would be happy to contribute since that would be easier than developing my own code.

Cheers - L~R

In reply to Re: App::SweeperBot - Perl plays minesweeper, automatically. by Limbic~Region
in thread App::SweeperBot - Perl plays minesweeper, automatically. by pjf

Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":

  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?

    What's my password?
    Create A New User
    Domain Nodelet?
    and the web crawler heard nothing...

    How do I use this?Last hourOther CB clients
    Other Users?
    Others rifling through the Monastery: (3)
    As of 2024-07-24 09:15 GMT
    Find Nodes?
      Voting Booth?

      No recent polls found

      erzuuli‥ 🛈The London Perl and Raku Workshop takes place on 26th Oct 2024. If your company depends on Perl, please consider sponsoring and/or attending.