1 files changed, 1 insertions, 1 deletions
diff --git a/others/volume1/018.pas b/others/volume1/018.pas
index 053095c..0e2d293 100644
--- a/others/volume1/018.pas
+++ b/others/volume1/018.pas
@@ -1,4 +1,4 @@
-uses cmath;
+uses clib;
 
 var
   n: int64;