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ioccc/2015/endoh4/index.html
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Landon Curt Noll f07fec3a98 fix tar-year.sh, removed use of .tar.tstamp files 
Eliminated the need for the `.tar.tstamp` files.  It became intractable
to produce a tarball that was byte-for-byte identical to a tarball
on another platform.  We further simplified the process used by the
`bin/tar-year.sh` tool to no longer need `.tar.tstamp` files.
Removed `.tar.tstamp` files and updated the manifest.
Sorry (tm Canada 🇨🇦) for the "flip-flop".

The `bin/tar-year.sh` tool now uses a similar algorithm to how
`bin/tar-entry.sh` determines if a compressed tarball needs to be
rebuilt.

Changed `bin/tar-entry.sh` VERSION from "1.3.3 2024-03-27"
to "1.3.4 2024-03-27".

Changed `bin/tar-year.sh` VERSION from "1.1.3 2024-03-27"
to "1.2 2024-03-27".

Performed `make www` and `make form_entry_tarball`
and `make form_year_tarball` to complete the above
actions and test these changes under macOS.

TODO: Test the `bin/tar-year.sh` tool under Linux.

TODO: Address issues with building the top level `ioccc.tar.bz2`
      and the `bin/tar-all.sh` tool and the `make form_all_tarball` rule.

NOTE: The `bin/tar-all.sh` tool and the `make form_all_tarball` rule
and the `make tar` should **NOT** be used at this time.
2024-03-27 16:49:11 -07:00

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<h1>The International Obfuscated C Code Contest</h1>
<h2>2015/endoh4 - Best One-liner</h2>
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<a class="Left" href="../endoh3/index.html">&larr; endoh3</a>
<a class="Left" href="../index.html">&uarr; 2015 &uarr;</a>
<a class="Left" href="../hou/index.html">hou &rarr;</a>
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<h2 id="author"><a name="author"></a>Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#Yusuke_Endoh">Yusuke Endoh</a><br>
Location: <a href="../../location.html#JP">JP</a> - <em>Japan</em>
<br><br></li>
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<h2 id="to-build">To build:</h2>
<div class="sourceCode" id="cb1"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span></span></code></pre></div>
<p>There is an alt version which is the originally submitted entry. See <a href="#alternate-code">Alternate
code</a> below for details.</p>
<h2 id="to-use">To use:</h2>
<div class="sourceCode" id="cb2"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> <span class="op">&lt;</span>a number of arguments<span class="op">&gt;</span></span></code></pre></div>
<h2 id="try">Try:</h2>
<div class="sourceCode" id="cb3"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./try.sh</span></span></code></pre></div>
<h2 id="alternate-code">Alternate code:</h2>
<p>An alternate version of this entry, <a href="prog.alt.c">prog.alt.c</a>, is provided.
This alternate code does not contain improvements suggested by <a href="../../authors.html#Gil_Dogon">Gil
Dogon</a>; it is the author’s original entry.</p>
<h3 id="alternate-build">Alternate build:</h3>
<div class="sourceCode" id="cb4"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span> alt</span></code></pre></div>
<h3 id="alternate-use">Alternate use:</h3>
<p>Use <code>prog.alt</code> as you would <code>prog</code> above.</p>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p>For this one liner it is best to avoid prime numbers. The output groups
factors in the x-y dimensions. How many factors can be represented before you
run out of command line argument space? How could you modify the program to
experiment with numbers that have more or larger factors?</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<p>Visual factorization 1-liner. Try:</p>
<div class="sourceCode" id="cb5"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="fu">gcc</span> <span class="at">-o</span> prog prog.c</span>
<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @</span>
<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @</span>
<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @ @</span>
<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @ @ @</span>
<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @ @ @ @ @</span>
<span id="cb5-7"><a href="#cb5-7" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @ @ @ @ @ @ @</span>
<span id="cb5-8"><a href="#cb5-8" aria-hidden="true" tabindex="-1"></a><span class="ex">./prog</span> @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @</span></code></pre></div>
<p>Inspired by <a href="http://www.datapointed.net/visualizations/math/factorization/animated-diagrams/">Animated Factorization
Diagrams</a>.</p>
<p><a href="prog.alt.c">prog.alt.c</a> is the original version that I submitted. <a href="../../authors.html#Gil_Dogon">Gil
Dogon</a> kindly improved it during the review. Thank
you!</p>
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<h1 id="inventory-for-2015endoh4"><a name="inventory"></a>Inventory for 2015/endoh4</h1>
<p><a href="#top">Jump to top</a></p>
<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/prog.c">prog.c</a> - entry source</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/prog.alt.c">prog.alt.c</a> - alternative source</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/prog.orig.c">prog.orig.c</a> - original source</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/try.sh">try.sh</a> - how to run</li>
<li><a href="2015_endoh4.tar.bz2">2015_endoh4.tar.bz2</a> - download entry source</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="index.html">index.html</a> - entry home page</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/README.md">README.md</a> - markdown source for index.html</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/.entry.json">.entry.json</a> - description of entry in JSON</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2015/endoh4/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
<li><a href=".path">.path</a> - directory path from top directory</li>
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<h2>Copyright and CC BY-SA 4.0 License</h2>
<p>This file and web page is:</p>
<blockquote><b>Copyright &copy; 1984-2024 by Landon Curt Noll. All Rights Reserved.</b></p></blockquote>
<p>You are free to share and adapt this file under the terms of this license:</p>
<blockquote><b>Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)</b></blockquote>
<p>For more information, see:</p>
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href="https://creativecommons.org/licenses/by-sa/4.0/">https://creativecommons.org/licenses/by-sa/4.0/</a></blockquote>
<h2>Coda</h2>
<p><a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2F2015%2Fendoh4%2Findex.html">Nu HTML check this web page</a></p>
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