diff --git a/dynamic planning/*22.cpp b/dynamic planning/22.cpp
similarity index 98%
rename from dynamic planning/*22.cpp
rename to dynamic planning/22.cpp
index a5bffa2..dc0bd9a 100644
--- a/dynamic planning/*22.cpp	
+++ b/dynamic planning/22.cpp	
@@ -20,4 +20,4 @@ class Solution {
                 dfs(v, s + ')', lc, rc - 1);
             }
         }
-    };
\ No newline at end of file
+    };