added official stuff

SansPapyrus683 · SansPapyrus683 · commit da634cd4618a · 2022-10-29T18:47:42.000-07:00
diff --git a/solutions/usaco-810.mdx b/solutions/usaco-810.mdx
@@ -5,6 +5,8 @@ title: Rest Stops
 author: Vivian Han, Kevin Sheng
 ---
 
+[Official Analysis (C++)](http://www.usaco.org/current/data/sol_reststops_silver_feb18.html)
+
 ## Explanation
 
 Suppose that early in the hike, there is a rest stop with tastiness $A$,
