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ioccc/2001/williams/index.html
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Landon Curt Noll 0fa01fd744 add title and abstract to .entry.json and index.html files
We add an initial "_title_" and "_abstract_" to all entry `.entry.json` files.

The `bin/csv2entry.sh` tool reads the `summary.csv` file and
loads the "_title_" and "_abstract_" to entry `.entry.json` files.

Changed `bin/csv2entry.sh` VERSION from "1.3 2024-09-23"
to "1.4 2024-09-27".

Perform `make csv2entry` to perform the above and test under macOS.

The `bin/cvt-submission.sh` tool adds "_title_" and "_abstract_" to the
.entry.json based on the `.info.json` file.

Changed `bin/cvt-submission.sh` VERSION from "1.2 2024-09-23"
to "1.3 2024-09-27".

The `bin/entry2csv.sh` tool forms the `summary.csv` file
based on the "_title_" and "_abstract_" fields found in .entry.json files.

Changed `bin/entry2csv.sh` VERSION from "1.3 2024-09-23"
to "1.4 2024-09-27".

Perform `make entry2csv` to perform the above and test under macOS.

Added `-H` and `header=with-header-3` to the `bin/md2html.cfg`
for the configuration entry for `[12][0-9][0-9][0-9]/*/README.md`.

Changed `bin/md2html.sh` VERSION from "1.6 2024-08-17"
to "1.7 2024-09-27".

All entry `index.html` files now list the "_abstract_" in a new
`<h3>abstract</h3>` header.

Changed `bin/subst.entry-index.sh` VERSION from "1.6 2024-09-23"
to "1.7 2024-09-27".

Removed `summary.csv`.

Added `summary.csv` and `summary.numbers` to `.gitignore`.
Sorted the result with `bin/sgi.sh`.

Perform `make quick_www` to perform the above and test under macOS.

Perform `make www` to perform the above and test under macOS.
2024-09-27 23:40:45 -07:00

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<h1>The International Obfuscated C Code Contest</h1>
<h2>2001/williams - Best graphic game</h2>
<h3>Plays X-based missile command</h3>
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<div class="navbar">
<a class="Left" href="../westley/index.html">&larr; 2001/westley</a>
<a class="Left" href="../index.html">&uarr; 2001 &uarr;</a>
<a class="Left" href="../../2004/anonymous/index.html">2004/anonymous &rarr;</a>
<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/williams.c">C code</a>
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<h2 id="author">Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#John_Williams">John Williams</a><br>
Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)</li>
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<h2 id="to-build">To build:</h2>
<pre><code> make</code></pre>
<p><strong>NOTE</strong>: this entry requires the <code>X11/Xlib.h</code> header file and the X11 library to
compile. For more information see the
FAQ on “<a href="../../faq.html#X11">X11</a>”.</p>
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
<blockquote>
<p><strong>STATUS: known bug - please help us fix</strong></p>
</blockquote>
<p>For more detailed information see <a href="../../bugs.html#2001_williams">2001/williams in bugs.html</a>.</p>
<h2 id="to-use">To use:</h2>
<pre><code> ./williams</code></pre>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p><a href="https://en.wikipedia.org/wiki/WarGames">A strange game. The only winning move is not to
play</a>. No, really; you can’t
actually win. :)</p>
<p>The formatting really wants a wide screen; if you can’t read it that way, it’s
the standard “three triangles around a circular” logo for nukes.</p>
<p>This is a pretty straightforward game.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<p>What this program does:</p>
<p>It plays <a href="https://en.wikipedia.org/wiki/Missile_Command">Missile Command</a>,
complete with MIRVs, smart bombs, extra cities, and scoring.</p>
<p>Command line arguments and input files are ignored.</p>
<p>To play, just point and click where you want your ABMs to explode.</p>
<p>The score is 10 points for each missile which is destroyed before
it reaches the ground, -1 point for each ABM used, and 100 bonus
points for each city left at the end of a level.</p>
<p>The game ends when you lose all your cities, although you will have
to wait until the level finishes raining down to see your final score.</p>
<h3 id="obfuscation">Obfuscation</h3>
<p>The main obfuscation technique is the need to compress the code to fit
all the functionality within the size limits. I could not have included
smart bombs without the rule excluding <code>{};</code> characters in the counts.
All of the <code>#define</code>s are there to reduce code size.</p>
<p>On the other hand, I did waste a few characters in order to include
some rather obfuscated math in the program. It uses fixed-point
arithmetic, resulting in the overuse of bitwise shift operators.
Another example is <code>(x|1)</code>, which is used in a couple different ways.
The purpose of <code>A/(x|1)</code> is probably obvious, but what does <code>(x|1)%2</code> do?</p>
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<div id="inventory">
<h1 id="inventory-for-2001williams">Inventory for 2001/williams</h1>
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<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/williams.c">williams.c</a> - entry source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/williams.orig.c">williams.orig.c</a> - original source code</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="2001_williams.tar.bz2">2001_williams.tar.bz2</a> - download entry tarball</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/README.md">README.md</a> - markdown source for this web page</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2001/williams/.path">.path</a> - directory path from top level directory</li>
<li><a href="index.html">index.html</a> - this web page</li>
</ul>
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