1 files changed, 1 insertions, 1 deletions
diff --git a/others/volume1/023.pas b/others/volume1/023.pas
index 6092889..80feb29 100644
--- a/others/volume1/023.pas
+++ b/others/volume1/023.pas
@@ -1,4 +1,4 @@
-uses strutils, cmath;
+uses strutils, clib;
 
 var
   n, u: int64;