Harmonize spelling

[factor.git] / extra / project-euler / 151 / 151.factor

diff --git a/extra/project-euler/151/151.factor b/extra/project-euler/151/151.factor
index 708fe9849e7c474ef5cd614f4321e8fb79d035e5..45777ae56aba66981401d0657a19f67953f320d6 100644 (file)
--- a/extra/project-euler/151/151.factor
+++ b/extra/project-euler/151/151.factor
@@ -9,7 +9,7 @@ IN: project-euler.151
 ! -----------
 
 ! A printing shop runs 16 batches (jobs) every week and each batch requires a
-! sheet of special colour-proofing paper of size A5.
+! sheet of special color-proofing paper of size A5.
 
 ! Every Monday morning, the foreman opens a new envelope, containing a large
 ! sheet of the special paper with size A1.
@@ -42,8 +42,8 @@ SYMBOL: table
         <=>
         {
             { +lt+ [ ] }
-            { +eq+ [ 1- ] }
-            { +gt+ [ 1+ ] }
+            { +eq+ [ 1 - ] }
+            { +gt+ [ 1 + ] }
         } case
     ] curry map-index ;
 
@@ -59,10 +59,10 @@ DEFER: (euler151)
 : (euler151) ( x -- y )
     table get [ {
         { { 0 0 0 1 } [ 0 ] }
-        { { 0 0 1 0 } [ { 0 0 0 1 } (euler151) 1+ ] }
-        { { 0 1 0 0 } [ { 0 0 1 1 } (euler151) 1+ ] }
-        { { 1 0 0 0 } [ { 0 1 1 1 } (euler151) 1+ ] }
-        [ [ dup length [ pick-sheet ] with map sum ] [ sum ] bi / ]
+        { { 0 0 1 0 } [ { 0 0 0 1 } (euler151) 1 + ] }
+        { { 0 1 0 0 } [ { 0 0 1 1 } (euler151) 1 + ] }
+        { { 1 0 0 0 } [ { 0 1 1 1 } (euler151) 1 + ] }
+        [ [ dup length <iota> [ pick-sheet ] with map-sum ] [ sum ] bi / ]
      } case ] cache ;
 
 : euler151 ( -- answer )