To create a bunch of reproducible shuffles, I'd write a shuffle (not particularly hard, you even have example source code for such on CPAN) that uses a Mersenne Twister. The seed space for rand is too small to cover the number of possible shuffles for even a fairly small number of items. A Mersenne Twister supports much larger seeds (and you can find implementations of that on CPAN as well) and so is more likely to be able produce many more of the possible shuffles.

But I'm not convinced that a reproducible shuffle is the best choice for the game scenario you described.

- tye        


In reply to Re: A reproducible shuffle? (more seeds) by tye
in thread A reproducible shuffle? ("stable shuffle") by AK108

Title:
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, details, 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, summary, 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.