Update A2B.md

Author: Wizmann

content/posts/A2B.md

@@ -1,7 +1,9 @@
+---
 Date: 2021-11-18
 Title: A2B Game Solutions
 Tags: game, a2b, solution
 Slug: A2B
+---
 
 A2B is a "zach-like" programming game, which let you to use a very simple "programming language" to solve different problems for strings.
 
@@ -835,4 +837,4 @@ a=helloworld
 [1]: https://en.wikipedia.org/wiki/Parity_(mathematics)
 [2]: https://en.wikipedia.org/wiki/Least_common_multiple
 [3]: https://web.stanford.edu/class/archive/cs/cs103/cs103.1176/lectures/20/Small20.pdf
-[4]: https://github.com/Wizmann/a2b-lang
+[4]: https://github.com/Wizmann/a2b-lang