Update kth-path.md

diff --git a/docs/graph/kth-path.md b/docs/graph/kth-path.md
index 5d2a384..9cbeeba 100644 (file)
--- a/docs/graph/kth-path.md
+++ b/docs/graph/kth-path.md
@@ -264,3 +264,7 @@ int main() {
   return 0;
 }
 ```
+
+## 习题
+
+[luogu P2483 \[SDOI2010\]魔法猪学院](https://www.luogu.org/problemnew/show/P2483)