diff --git a/content/6_Plat/Hull.mdx b/content/6_Plat/Hull.mdx
index 9d4c6f0..9774283 100644
--- a/content/6_Plat/Hull.mdx
+++ b/content/6_Plat/Hull.mdx
@@ -20,6 +20,7 @@ export const metadata = {
     ],
     general: [
       new Problem("Plat", "Balance Beam", "864", "Easy", false, ["convex"], ""),
+      new Problem("CF", "Water Balance", "problemset/problem/1299/C", "Easy", false, ["convex"], ""),
       new Problem("CF", "Geometers Anonymous", "problemset/problem/1195/F", "Normal", false, ["convex", "PURS"], ""),
       new Problem("Old Gold", "Cow Curling", "382", "Normal", false, ["convex"], "testing whether points are inside hull"),
       new Problem("AC", "AGC E - Random Pawn", "https://atcoder.jp/contests/agc044/tasks/agc044_e", "Very Hard", false, ["convex"], ""),
@@ -65,4 +66,4 @@ diameter of point set:
 
  - [CF Tutorial](https://codeforces.com/blog/entry/63823)
 
-<problems-list problems={metadata.problems.cht} />
\ No newline at end of file
+<problems-list problems={metadata.problems.cht} />