Landon Curt Noll
9d3438fb88
Setup a simple topnav for missing HTML files for entries. Added `bin/gen-other-html.sh` to build entry HTML files from markdown other than README.md to index.html HTML files. Fixed duplicate link text in `2020/ferguson1/gameplay.md`. Improved `inc/md2html.cfg` to support building the missing HTML files for entries. Added `make gen_other_html` to top level Makefile. Added `make gen_other_html` to `make quick_www` and `make www`. Fixed inventory links for year level index.html files. Changed `bin/output-year-index.sh` VERSION from "1.0.1 2024-02-23" to "1.1 2024-02-27". Added missing lines in `manifest.numbers`. Update the affected `.entry.json` files. The manifest (in both `manifest.numbers` and the collection of manifests from of all entry `.entry.json` files) now match. Errors from `make verify_entry_files` will now abort both `make quick_www` and `make www` rules in the top level `Makefile`. Changed markdown files in manifest to have an _inventory_order_ of _2000000000_ so that the `index.html` file will usually appear at the start of the _Secondary files_ set for the "#inventory" section of an entry's `index.html` file. Changed compressed tar files (files that end in _.tar.bz2_) in manifest to have an _inventory_order_ of _100000_ so that these files will usually appear at the end of the _Primary files_ set for the "#inventory" section of an entry's `index.html` file. Added 'Jump to top` link above the _Primary files_ section. Changed `bin/output-index-inventory.sh` VERSION from "1.1.1 2024-02-23" to "1.2 2024-02-27". Updated HTML files to perform the above via `make www`.
Twentieth International Obfuscated C Code Contest
Standard IOCCC stuff
Look at the README.md file for the given winning entry for information on how to compile it and how to run the winning program. Look at the winning source and try to figure how it does what it does! You may then wish to look at the Author's remarks for even more details.
The IOCCC has a web site and now has a number of international mirrors. The primary site can be found at,
Use make to compile entries. It is possible that on non-Unix / non-Linux
systems the Makefile needs to be changed. See the Makefile for details.
This year we included most of the information included by the submitters in the README.md files.
Read over the Makefile for compile/build issues. Your system may require certain changes (add or remove a library, add or remove a #define).
Some ANSI C compilers are not quite as good as they should be. If yours is lacking, you may need to compile using gcc instead of your local compiler.
Remarks on some of the entries
There were some outstanding entries that did not win. Unfortunately some very good entries lost because they:
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did not follow the "one program - one file" rule;
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depended too much on 32 bit architectures;
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were more of the "obfuscated math" kind rather than the "obfuscated C" kind.
We hope the authors of some of those entries will fix and re-submit them for the next IOCCC.
We believe you will be impressed with this year's winners. The Best of Show is a fine example of character stitching. But don't ignore the other winners! There are games, puzzle solvers, utilities, eye candy, calculators and graphical and audio tools.
This year all winners are different, and there is a winner from a new country - China! Many winners won for the first time. (Please note that judging is done completely anonymously. Be warned that we may disqualify entries that reveal the identity of the submitter).
Final Comments
IMPORTANT NOTE: See contact.html for up to date contact details as well as details on how to provide fixes to any of the entries. See also the IOCCC FAQ for addition information on the IOCCC.
Copyright and License
Copyright (c) 2012,2023, Landon Curt Noll and Leonid A. Broukhis. All Rights Reserved. This work is licensed under a Creative Commons CC BY-SA 4.0 DEED Attribution-ShareAlike 4.0 International license. If you do use this work in some form, the IOCCC judges would appreciate (but does not require) if you were to send us a note about your use.