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

[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 6d2f80d13125996fe41cd9b0990c6a83f9c48d60..11e16883f1bf9ebf4bfa0437f73bd5753e4748bd 100644 (file)
--- a/extra/project-euler/151/151.factor
+++ b/extra/project-euler/151/151.factor
@@ -1,35 +1,40 @@
 ! Copyright (c) 2008 Eric Mertens.
 ! See https://factorcode.org/license.txt for BSD license.
-USING: assocs combinators kernel math math.order namespaces sequences project-euler.common ;
+USING: assocs combinators kernel math math.order namespaces
+sequences project-euler.common ;
 IN: project-euler.151
 
-! https://projecteuler.net/index.php?section=problems&id=151
+! https://projecteuler.net/problem=151
 
 ! DESCRIPTION
 ! -----------
 
-! A printing shop runs 16 batches (jobs) every week and each batch requires a
-! sheet of special color-proofing paper of size A5.
+! A printing shop runs 16 batches (jobs) every week and each
+! batch requires a 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.
+! Every Monday morning, the foreman opens a new envelope,
+! containing a large sheet of the special paper with size A1.
 
-! He proceeds to cut it in half, thus getting two sheets of size A2. Then he
-! cuts one of them in half to get two sheets of size A3 and so on until he
-! obtains the A5-size sheet needed for the first batch of the week.
+! He proceeds to cut it in half, thus getting two sheets of size
+! A2. Then he cuts one of them in half to get two sheets of size
+! A3 and so on until he obtains the A5-size sheet needed for the
+! first batch of the week.
 
 ! All the unused sheets are placed back in the envelope.
 
-! At the beginning of each subsequent batch, he takes from the envelope one
-! sheet of paper at random. If it is of size A5, he uses it. If it is larger,
-! he repeats the 'cut-in-half' procedure until he has what he needs and any
-! remaining sheets are always placed back in the envelope.
+! At the beginning of each subsequent batch, he takes from the
+! envelope one sheet of paper at random. If it is of size A5, he
+! uses it. If it is larger, he repeats the 'cut-in-half'
+! procedure until he has what he needs and any remaining sheets
+! are always placed back in the envelope.
 
-! Excluding the first and last batch of the week, find the expected number of
-! times (during each week) that the foreman finds a single sheet of paper in
-! the envelope.
+! Excluding the first and last batch of the week, find the
+! expected number of times (during each week) that the foreman
+! finds a single sheet of paper in the envelope.
 
-! Give your answer rounded to six decimal places using the format x.xxxxxx .
+! Give your answer rounded to six decimal places using the
+! format x.xxxxxx .
 
 
 ! SOLUTION