Remove hint.html and index.html
As per discussions on GitHub the index.html and hint.html files should be deleted in favour of README.md files (from any .text/.txt/.markdown/.md files which will be turned into README.md in an upcoming commit).
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta name="GENERATOR" content="mkd2html 2.1.5a DL=DISCOUNT">
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
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<link rel="stylesheet"
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type="text/css"
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href="../hint.css">
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<title>Best choice of optimization</title>
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</head>
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<body>
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<h1>Best choice of optimization</h1>
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<p>Don Yang<br>
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<a href="mailto:omoikane@uguu.org">omoikane@uguu.org</a><br>
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<a href="http://uguu.org/">http://uguu.org/</a></p>
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<h2>Judges' comments:</h2>
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<h3>To build:</h3>
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<pre><code>make sinon
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</code></pre>
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<h3>To run:</h3>
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<pre><code>cp sinon.c run.c
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</code></pre>
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<p>Then keep running ./glock.sh or ./hecate.sh within a minute with
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slight pauses between invocations.</p>
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<h3>Try:</h3>
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<pre><code>cp sinon.c run.c; ./hecate.sh; ./glock.sh; sleep 3; ./glock.sh; sleep 1; ./hecate.sh
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</code></pre>
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<h3>Selected Judges Remarks:</h3>
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<p>Try to figure out how this entry determines the optimization level with
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which it had been compiled. Is this an example of undefined behavior
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or unspecified behavior?</p>
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<h2>Author’s comments:</h2>
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<h3>Summary</h3>
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<p>Sinon is a game of timing, the goal is to eliminate all enemies in
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under one minute.</p>
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<p>To start, compile and run the program. To resume, compile and run the
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output repeatedly until you have won/lost the game. For example:</p>
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<pre><code>cp sinon.c run.c
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gcc -O0 run.c -o run && ./run | tee run.c
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gcc -O2 run.c -o run && ./run | tee run.c
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...
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</code></pre>
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<h3>Details</h3>
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<p>Sinon is played by compiling and running the output repeatedly. Two
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factors determine what actions are taken:</p>
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<ul>
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<li>Time since last compilation.</li>
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<li>Whether compiler optimizations are enabled or not.</li>
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</ul>
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<p>If you fire too quickly, the weapon will jam. If you fire too slowly,
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you will not be able to eliminate all the enemies in time. Thus the
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primary objective of the game is to time your compilations just right.</p>
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<p>Sinon has two weapons that are selected based on compiler optimization
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level:</p>
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<ul>
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<li><p>“gcc -O2” or “clang -O2” will fire Hecate II, a powerful rifle that
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requires longer time to cool off.</p></li>
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<li><p>“gcc -O0” or “clang -O0” will fire Glock 18C, a less powerful pistol
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that requires less time to cool off.</p></li>
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</ul>
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<p>Because the weapons cool off independently, the best strategy is to
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alternate between the two weapons. It is fairly easy to win the game
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with this strategy even with occasional jams.</p>
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<p>If your compiler does not have the right optimizations, only Glock 18C
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would be available. It is still possible to win, but your timing will
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need to be more precise. This is effectively playing the game on
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“hard” mode. It is worth trying this mode even if you have the right
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compilers.</p>
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<h3>Compatibility</h3>
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<p>Sinon has been tested and verified to work on these platforms:</p>
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<ul>
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<li>gcc 4.4.3 on Linux.</li>
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<li>gcc 4.4.5 on Linux.</li>
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<li>gcc 4.8.2 on Linux.</li>
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<li>gcc 4.8.3 on Cygwin/MingW.</li>
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<li>clang 3.4-1 on Linux.</li>
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<li>clang 3.4.2 on Cygwin.</li>
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<li>gcc 4.3.5 on JS/Linux (playable but likely unwinnable, because it
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takes too long to compile).</li>
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<li>tcc 0.9.25 on JS/Linux (no optimization, so only “hard” mode is
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available).</li>
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</ul>
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<p>Sinon is intended to be played in a 80x25 terminal.</p>
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<h3>Miscellaneous features</h3>
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<p>Sinon might be the first game that uses compiler optimization level as
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a primary input.</p>
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<p>Sinon has a demo mode that plays the game automatically. Make sure
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that there are no files named “run” and “run.c” in current directory
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(they will be overwritten) and run:</p>
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<pre><code>perl sinon.c | bash
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</code></pre>
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<p>File size and CRC32 of sinon.c are embedded in line 7.</p>
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<p>Process for making Sinon is included in spoiler.html.</p>
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<p>Layout of this code is based on Asada Shino, also known as “Sinon”,
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from Sword Art Online.</p>
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<hr />
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<TABLE><TR>
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<TD><a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/"><img alt="Creative Commons License" style="border-width:0" src="http://i.creativecommons.org/l/by-sa/3.0/88x31.png" /></a></TD>
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<TD><P>© Copyright 1984-2015,
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<A HREF="/judges.html">Leo Broukhis, Simon Cooper, Landon Curt Noll</A>
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- All rights reserved<BR>
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This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons Attribution-ShareAlike 3.0 Unported License</a>.</P></TD>
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<TD> <!--<a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01 Transitional" height="31" width="88"></a>--></TD>
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</TR></TABLE>
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</body>
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</html>
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