Rename hint.txt and hint.text to README.md

2014/endoh2/README.md

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+# Best use of bioinformatics
+
+Yusuke Endoh  
+<mame@ruby-lang.org>  
+<https://github.com/mame/>  
+
+
+## Judges' comments:
+### To build:
+
+    make
+
+### To run:
+
+    ./prog < input > output
+
+### Try:
+
+    echo Hello | ./prog
+
+    echo Hello | ./prog > hello.c
+    make hello
+    ./hello
+
+### Selected Judges Remarks:
+
+If you look closely at the source, you will see code that appears
+to puts C code that includes itself.  How and why?  Perhaps it is
+in the DNA code of the code? Perhaps there are 23 reasons? :-)
+
+## Author's comments:
+### Remarks
+
+This chromosome program synthesizes a double helix.
+The helix can also be compiled as a C program.
+
+Enjoy DNA programming!
+
+### For more information / backgroud reading:
+
+* This program was inspired by Acme::DoubleHelix:
+  http://search.cpan.org/~xern/Acme-DoubleHelix-0.01/
+
+* The synthesized helix just includes the original program at the head.
+  Do you see how `prog.c` determines whether it was invoked as a standalone program or included as a header file?
+  Note that it does not use any gcc extension such as `__INCLUDE_LEVEL__`.
+
+* The synthesized helix of course follows the base-pairing rules for DNA:
+  A is bonding only to T, and C is bonding only to G.
+
+--------------------------------------------------------------------------------
+<!--
+(c) Copyright 1984-2015, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
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+
+[judges]: http://www.ioccc.org/judges.html
+[cc]: http://creativecommons.org/licenses/by-sa/3.0/
+-->