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

[factor.git] / extra / project-euler / 024 / 024.factor

diff --git a/extra/project-euler/024/024.factor b/extra/project-euler/024/024.factor
index 7e03201cc938813a9d44425d37afd8d835a1c98f..7e5758d224276940f01af2125a2c51ccf2b7e628 100644 (file)
--- a/extra/project-euler/024/024.factor
+++ b/extra/project-euler/024/024.factor
@@ -3,20 +3,21 @@
 USING: math.combinatorics project-euler.common sequences ;
 IN: project-euler.024
 
-! https://projecteuler.net/index.php?section=problems&id=24
+! https://projecteuler.net/problem=24
 
 ! DESCRIPTION
 ! -----------
 
-! A permutation is an ordered arrangement of objects. For example, 3124 is one
-! possible permutation of the digits 1, 2, 3 and 4. If all of the permutations
-! are listed numerically or alphabetically, we call it lexicographic order. The
+! A permutation is an ordered arrangement of objects. For
+! example, 3124 is one possible permutation of the digits 1, 2,
+! 3 and 4. If all of the permutations are listed numerically or
+! alphabetically, we call it lexicographic order. The
 ! lexicographic permutations of 0, 1 and 2 are:
 
 !     012   021   102   120   201   210
 
-! What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4,
-! 5, 6, 7, 8 and 9?
+! What is the millionth lexicographic permutation of the digits
+! 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9?
 
 
 ! SOLUTION