fix standard headers and header spacing in winner README.md files

2018/anderson/README.md

@@ -2,19 +2,22 @@
 
 Derek Anderson
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
 ./prog < textfile
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./prog < prog.c
@@ -38,10 +41,12 @@ make alt
 
 Use `prog.alt` as you would `prog` above.
 
+
 ## Judges' remarks:
 
 With this entry, you won't need to turn your monitor [upside down](http://en.wikipedia.org/wiki/River_%28typography%29)!
 
+
 ## Author's remarks:
 
 ### Compiling the program:
@@ -85,6 +90,7 @@ variable assignment, such as `j=k`. There is some filler fluff, such as
 added for the purpose of making certain things line up right, and only
 secondarily to obfuscate.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.