Re: Seriation

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Sujet : Re: Seriation
De : rjh (at) *nospam* cpax.org.uk (Richard Heathfield)
Groupes : sci.crypt
Date : 13. Feb 2025, 05:03:07
Autres entêtes
Organisation : Fix this later
Message-ID : <vojqtr$2kj89$2@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13
User-Agent : Mozilla Thunderbird
On 12/02/2025 23:41, Ben Bacarisse wrote:
<snip>

But this does raise a
question I don't recall being asked...  Do you remember why you
hand-coded a character set
Yes. :-)

rather than just taking it to be ASCII 33 to
126 (inclusive)?
Cast your mind back, if you will, to the dark days of the second millennium, when small furry creatures from Alph... [Ach, sod poetry, it's almost 4am.]
Not hard-coding ASCII values into the source was mere habit; I only ever hard-coded when I couldn't avoid it (eg when converting between character sets), because it was a source of non-portability that 99.99(+)% of the time I simply didn't need.

That would have made the code a bit simpler.  All that
occurs to me is that you might have done so to make it more fun reverse
engineer.  But then I can imagine you might have mixed up the order of
some the more obvious runs (like A to Z to 0 to 9) to make it even more
so.
It would have been (and remains) very easy to do, in fact - just fiddle with the #defines at the top. But one must know when to stop, or one risks turn a mild teaser into the head-scratching challenge it was never my intent to make it.

Good to see you back, by the way...
Thank you. Thunderbird just stopped playing sillybuggers... again...
--
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within

Date Sujet#  Auteur
7 Dec 24 * Seriation60Stefan Claas
7 Dec 24 +* Re: Seriation49Peter Fairbrother
8 Dec 24 i`* Re: Seriation48Stefan Claas
8 Dec 24 i +* Re: Seriation45Rich
8 Dec 24 i i+* Re: Seriation22Stefan Claas
8 Dec 24 i ii`* Re: Seriation21Rich
8 Dec 24 i ii `* Re: Seriation20Stefan Claas
1 Feb 25 i ii  `* Re: Seriation19Richard Heathfield
1 Feb 25 i ii   +- Re: Seriation1Stefan Claas
1 Feb 25 i ii   `* Re: Seriation17Stefan Claas
1 Feb 25 i ii    +* Re: Seriation2Stefan Claas
1 Feb 25 i ii    i`- Re: Seriation1Stefan Claas
1 Feb 25 i ii    `* Re: Seriation14Richard Heathfield
1 Feb 25 i ii     `* Re: Seriation13Stefan Claas
1 Feb 25 i ii      +* Re: Seriation2Stefan Claas
1 Feb 25 i ii      i`- Re: Seriation1Richard Heathfield
1 Feb 25 i ii      `* Re: Seriation10Richard Heathfield
1 Feb 25 i ii       `* Re: Seriation9Stefan Claas
1 Feb 25 i ii        +* Re: Seriation5Rich
1 Feb 25 i ii        i`* Re: Seriation4Stefan Claas
1 Feb 25 i ii        i +- Re: Seriation1Rich
1 Feb 25 i ii        i `* Re: Seriation2Richard Heathfield
1 Feb 25 i ii        i  `- Re: Seriation1Stefan Claas
1 Feb 25 i ii        `* Re: Seriation3Richard Heathfield
10 Feb 25 i ii         `* Re: Seriation2Ben Bacarisse
10 Feb 25 i ii          `- Re: Seriation1Richard Heathfield
1 Feb 25 i i`* Re: Seriation22Richard Heathfield
1 Feb 25 i i +* Re: Seriation4Rich
1 Feb 25 i i i`* Re: Seriation3Richard Heathfield
1 Feb 25 i i i +- Re: Seriation1Rich
1 Feb 25 i i i `- Re: Seriation1Stefan Claas
2 Feb 25 i i `* Re: Seriation17David Entwistle
2 Feb 25 i i  +- Re: Seriation1Chris M. Thomasson
3 Feb 25 i i  `* Re: Seriation15David Entwistle
3 Feb 25 i i   `* Re: Seriation14Richard Heathfield
4 Feb 25 i i    `* Re: Seriation13David Entwistle
4 Feb 25 i i     `* Re: Seriation12Richard Heathfield
8 Feb 25 i i      +* Re: Seriation7David Entwistle
8 Feb 25 i i      i`* Re: Seriation6Richard Heathfield
8 Feb 25 i i      i `* Re: Seriation5David Entwistle
9 Feb 25 i i      i  `* Re: Seriation4Richard Harnden
9 Feb 25 i i      i   `* Re: Seriation3David Entwistle
9 Feb 25 i i      i    `* Re: Seriation2Richard Harnden
10 Feb 25 i i      i     `- Re: Seriation1David Entwistle
11 Feb 25 i i      `* Re: Seriation4Ben Bacarisse
11 Feb 25 i i       `* Re: Seriation3Richard Heathfield
13 Feb 25 i i        `* Re: Seriation2Ben Bacarisse
13 Feb 25 i i         `- Re: Seriation1Richard Heathfield
8 Dec 24 i `* Re: Seriation2Stefan Claas
8 Dec 24 i  `- Re: Seriation1Stefan Claas
8 Dec 24 `* Re: Seriation10Peter Fairbrother
8 Dec 24  `* Re: Seriation9Stefan Claas
9 Dec 24   `* Re: Seriation8Peter Fairbrother
9 Dec 24    `* Re: Seriation7Stefan Claas
10 Dec 24     +* Re: Seriation2Stefan Claas
10 Dec 24     i`- Re: Seriation1Stefan Claas
10 Dec 24     `* Re: Seriation4Stefan Claas
10 Dec 24      `* Re: Seriation3Stefan Claas
14 Dec 24       `* Re: Seriation2Stefan Claas
15 Dec 24        `- Re: Seriation1Stefan Claas

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