project-euler: Rewrap, update links, add copyrights, tests

[factor.git] / extra / project-euler / 173 / 173.factor

diff --git a/extra/project-euler/173/173.factor b/extra/project-euler/173/173.factor
index 397dd40a89b6313b7b140ba3215e8bae080623a4..814e2b035b524d6a63c8bd189e3c92d82ece511e 100644 (file)
--- a/extra/project-euler/173/173.factor
+++ b/extra/project-euler/173/173.factor
@@ -1,22 +1,26 @@
 ! Copyright (c) 2007 Samuel Tardieu.
 ! See https://factorcode.org/license.txt for BSD license.
-USING: kernel math math.functions ranges sequences project-euler.common ;
+USING: kernel math math.functions ranges sequences
+project-euler.common ;
 IN: project-euler.173
 
-! https://projecteuler.net/index.php?section=problems&id=173
+! https://projecteuler.net/problem=173
 
 ! DESCRIPTION
 ! -----------
 
-! We shall define a square lamina to be a square outline with a square "hole"
-! so that the shape possesses vertical and horizontal symmetry. For example,
-! using exactly thirty-two square tiles we can form two different square
-! laminae: [see URL for figure]
+! We shall define a square lamina to be a square outline with a
+! square "hole" so that the shape possesses vertical and
+! horizontal symmetry. For example, using exactly thirty-two
+! square tiles we can form two different square laminae: [see
+! URL for figure]
 
-! With one-hundred tiles, and not necessarily using all of the tiles at one
-! time, it is possible to form forty-one different square laminae.
+! With one-hundred tiles, and not necessarily using all of the
+! tiles at one time, it is possible to form forty-one different
+! square laminae.
 
-! Using up to one million tiles how many different square laminae can be formed?
+! Using up to one million tiles how many different square
+! laminae can be formed?
 
 
 ! SOLUTION