factor: trim using lists

[factor.git] / extra / project-euler / 117 / 117.factor

diff --git a/extra/project-euler/117/117.factor b/extra/project-euler/117/117.factor
index b90a98173ee887f8286e56ac9c586734c19310c9..049a9cad5ba47427da615eb522821af701f83bbc 100644 (file)
--- a/extra/project-euler/117/117.factor
+++ b/extra/project-euler/117/117.factor
@@ -1,6 +1,6 @@
 ! Copyright (c) 2008 Eric Mertens.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel math math.order sequences splitting ;
+USING: kernel math project-euler.common sequences ;
 IN: project-euler.117
 
 ! http://projecteuler.net/index.php?section=problems&id=117
@@ -31,7 +31,7 @@ IN: project-euler.117
     [ 4 short tail* sum ] keep push ;
 
 : (euler117) ( n -- m )
-    V{ 1 } clone tuck [ next ] curry times peek ;
+    [ V{ 1 } clone ] dip over [ next ] curry times last ;
 
 PRIVATE>
 
@@ -41,4 +41,4 @@ PRIVATE>
 ! [ euler117 ] 100 ave-time
 ! 0 ms ave run time - 0.29 SD (100 trials)
 
-MAIN: euler117
+SOLUTION: euler117