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

2015/endoh2/README.md

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+# Most Overlooked Obfuscation
+
+Yusuke Endoh  
+<https://github.com/mame/>  
+Twitter: @mametter  
+
+
+## Judges' comments:
+### To use:
+
+    make
+
+    ./prog
+
+### Try:
+
+    cat prog.c
+
+    ./prog | diff - prog.c
+
+### Selected Judges Remarks:
+
+At this point you might be wondering, [WTF](http://acronyms.thefreedictionary.com/WTF)?\*
+
+    * What The Freak (polite form)
+
+    * What's This For? (you may be wondering)
+
+    * What the Fish (python form)
+
+How is this code obfuscated?  Well look again:
+
+    less prog.c
+
+    more prog.c
+
+Where did those underscores come from?  Well [RTFS](http://acronyms.thefreedictionary.com/RTFS)!\*\*
+
+    ** Read the Freaking Source (polite form)
+    ** Read The Freakin' Screen (polite form)
+
+If you are still puzzled, look at prog.c with your favorite text editor.
+
+## Author's comments:
+**Follow this instruction literally!**
+
+    cat prog.c
+    gcc -w -o prog prog.c
+    ./prog
+
+You will do a double take.
+
+
+Hint 1: Do `less prog.c`.  You will see an **emphasized** string if your terminal supports bold.
+
+Hint 2: Do `wc -c prog.c`.  This is very long one-liner.
+
+Spoiler: Open the source with an editor like `vim` or `emacs`.
+
+--------------------------------------------------------------------------------
+<!--
+(c) Copyright 1984-2016, [Leo Broukhis, Simon Cooper, Landon Curt Noll][judges] - All rights reserved
+This work is licensed under a [Creative Commons Attribution-ShareAlike 3.0 Unported License][cc].
+
+[judges]: http://www.ioccc.org/judges.html
+[cc]: http://creativecommons.org/licenses/by-sa/3.0/
+-->