! Copyright (c) 2007 Samuel Tardieu, Aaron Schaefer.
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: kernel project-euler.common ranges sequences ;
IN: project-euler.018
-! http://projecteuler.net/index.php?section=problems&id=18
+! https://projecteuler.net/index.php?section=problems&id=18
! DESCRIPTION
! -----------