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ioccc/2011/rules.txt
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20th International Obfuscated C Code Contest Rules
Copyright (C) 2006,2011 Leonid A. Broukhis, Simon Cooper, Landon Curt Noll
All Rights Reserved. Permission for personal, education or non-profit use is
granted provided this this copyright and notice are included in its entirety
and remains unaltered. All other uses must receive prior permission in
writing from the contest judges.
Obfuscate: tr.v. -cated, -cating, -cates. 1. a. To render obscure.
b. To darken. 2. To confuse: his emotions obfuscated his
judgment. [LLat. obfuscare, to darken : ob(intensive) +
Lat. fuscare, to darken < fuscus, dark.] -obfuscation n.
obfuscatory adj.
GOALS OF THE CONTEST:
* To write the most Obscure/Obfuscated C program under the rules below.
* To show the importance of programming style, in an ironic way.
* To stress C compilers with unusual code.
* To illustrate some of the subtleties of the C language.
* To provide a safe forum for poor C code. :-)
The 20th IOCCC contest window is:
| 12-Nov-2011 11:00:00 UTC to 12-Jan-2012 12:12:12 UTC
RULES:
To help us with the volume of entries, we ask that you follow these rules:
1) Your entry must be a complete program.
2) The size of your program source must be <= 4096 bytes in length.
The number of characters excluding whitespace (tab, space,
newline, formfeed, return), and excluding any ; { or } immediately
followed by whitespace or end of file, must be <= 2048.
3) Submissions should be performed using the instructions outlined at,
| https://submit.ioccc.org/
| (Will be available 2011-12-01)
4) If your entry is selected as a winner, it will be modified as follows:
Your 'build' instructions will be incorporated into a
makefile. If your build instructions *is* a makefile then
it should be portable and usable from within a master
makefile.
Your program source will be renamed using an identifier of
our choice (usually your family name or anonymous) followed
by an optional digit, followed by '.c'
Your entry will be compiled into a file with the above name
minus the '.c'.
If your entry requires that a build file exist, state so in
your entry's remark section. The makefile will be arranged to
execute a build shell script containing the 'build'
information. The name of this build shell script will be your
entry's title, possibly followed by a digit, followed by '.sh'.
If needed, your entry's remarks should indicate how your entry
must be changed in order to deal with the new filenames.
5) The build file, the source and the resulting executable should be
treated as read-only files. If your entry needs to modify these files,
it should make and modify a copy of the appropriate file. If this
occurs, state so in your entry's remarks.
6) Your program source must be able to be compiled cleanly by an ANSI C
compiler, or if there are any compile errors, they must be documented
in the "remarks" section of your submission.
7) The program must be of original work. All submitted programs are
are thereby put in the public domain. All explicitly copyrighted
programs will be rejected.
| 8) Entries must be received prior to 12-Jan-2012 12:12:12 UTC.
An email a confirmation of submission will be sent to the sender
before the close of the contest.
9) Each person may submit up to 8 entries per contest year. Each entry
must be submitted separately.
10) Entries requiring human interaction to be built are not permitted.
11) Programs that require special privileges (setuid, setgid, super-user,
| special owner or group) are highly discouraged.
12) Legal abuse of the rules is somewhat encouraged. An entry that, in
the opinion of the judges, violates the rules will be disqualified.
Entries that attempt to abuse the rules must try to justify why
their rule abuse is legal in the submitted "remarks".
13) Your source may not contain unescaped octets with the high bit set.
I.e., your source may not contain octet values between 128 and 255.
14) Any program that fails to compile because of lines with trailing
control-M's (\r or \015) will be rejected.
15) When you submit your entry you must have a valid email address
that can both send and receive email. The online submission
method is a two phase process that requires the use of an
approval code. This code will be emailed to you as part of
phase 1.
Entries submitted without a working or valid email address will
be disqualified.
The judges are not responsible for delays in email, please plan
enough time for one automated exchange of email as part of your
submission.
16) You are STRONGLY encouraged to submit an original entry.
Submissions that are similar to previous entries are discouraged.
| 17) The total size of your submission: the sum of the size of the program,
| hints, comments, build and info files MUST be less than one megabyte
| in size.
FOR MORE INFORMATION:
The judging will be done by Leonid A. Broukhis, Simon Cooper, Landon
| Curt Noll, this list may be updated before the close of the competition.
| Please send questions or comments about the contest, to:
| q.2011@ioccc.org (for questions only!)
| You must include the words ``ioccc 2011 question'' in the subject of
your email when sending email to the judges.
The rules and the guidelines may (and often do) change from year to
year. You should be sure you have the current rules and guidelines
prior to submitting entries. To obtain them, visit the IOCCC web page:
http://www.ioccc.org
It has rules, guidelines and winners of previous contests (1984 to date).
Details of how to submit your entry will be made available on 2011-12-01
Leonid A. Broukhis
Simon Cooper
chongo (Landon Curt Noll) /\cc/\