factor: trim using lists

[factor.git] / extra / project-euler / 049 / 049.factor

diff --git a/extra/project-euler/049/049.factor b/extra/project-euler/049/049.factor
index 08244ea0235c93271a78f466f15a1297d80b8f9e..0594b8b0395bfdbbee5a1f163f54b67940f009c4 100644 (file)
--- a/extra/project-euler/049/049.factor
+++ b/extra/project-euler/049/049.factor
@@ -1,7 +1,8 @@
 ! Copyright (c) 2009 Aaron Schaefer.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: arrays byte-arrays fry kernel math math.combinatorics math.functions
-    math.parser math.primes project-euler.common sequences sets ;
+USING: arrays kernel math math.primes project-euler.common
+sequences sets ;
+FROM: project-euler.common => permutations? ;
 IN: project-euler.049
 
 ! http://projecteuler.net/index.php?section=problems&id=49