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

2018/hou/README.md

@@ -2,6 +2,7 @@
 
 Qiming Hou
 
+
 ## To build:
 
 ```sh
@@ -9,7 +10,7 @@ make
 ```
 
 
-### Bugs and (Mis)features
+### Bugs and (Mis)features:
 
 The current status of this entry is:
 
@@ -28,7 +29,8 @@ For more detailed information see [2018 hou in bugs.md](/bugs.md#2018-hou).
 
 View `output.html` in a browser.
 
-## Try:
+
+### Try:
 
 ```sh
 grep -e '[-?+*/^&|.<>=]' prog.c
@@ -43,6 +45,7 @@ View `output.html` in a browser.
 
 What's not right with the output?  How can one fix it?
 
+
 ## Judges' remarks:
 
 This entry exhibits a way of obfuscation we haven't seen before, we think.
@@ -50,6 +53,7 @@ The rulez of programming in an imperative language are violated, aren't they?
 
 Try figuring out how to increase the number of different colors, if you can.
 
+
 ## Author's remarks:
 
 Nowadays almost every programmer needs to do some Web chore. With all the open
@@ -68,6 +72,7 @@ common UNIX stuff) to build this and an HTML5-compatible browser to open the
 result. And it terminates with an assertion failure, but who cares if the web
 page is already generated?
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.