From 3a71b3d606f83f0ab27be2b1e1413d0094a7e3e9 Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.be>
Date: Thu, 20 May 2021 19:59:47 +0200
Subject: Ruby solutions for week 113

---
 challenge-113/abigail/README.md    |  2 ++
 challenge-113/abigail/ruby/ch-1.rb | 35 +++++++++++++++++++++++++++++++++++
 challenge-113/abigail/ruby/ch-2.rb | 27 +++++++++++++++++++++++++++
 3 files changed, 64 insertions(+)
 create mode 100644 challenge-113/abigail/ruby/ch-1.rb
 create mode 100644 challenge-113/abigail/ruby/ch-2.rb

diff --git a/challenge-113/abigail/README.md b/challenge-113/abigail/README.md
index 85ced087a5..2a7beef550 100644
--- a/challenge-113/abigail/README.md
+++ b/challenge-113/abigail/README.md
@@ -25,6 +25,7 @@ Output: 1
 * [Node.js](node/ch-1.js)
 * [Perl](perl/ch-1.pl)
 * [Python](python/ch-1.py)
+* [Ruby](ruby/ch-1.rb)
 
 ### Blog
 
@@ -66,5 +67,6 @@ Output: 1
 * [Node.js](node/ch-2.js)
 * [Perl](perl/ch-2.pl)
 * [Python](python/ch-2.py)
+* [Ruby](ruby/ch-2.rb)
 
 ### Blog
diff --git a/challenge-113/abigail/ruby/ch-1.rb b/challenge-113/abigail/ruby/ch-1.rb
new file mode 100644
index 0000000000..4f44bf5130
--- /dev/null
+++ b/challenge-113/abigail/ruby/ch-1.rb
@@ -0,0 +1,35 @@
+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+ 
+#
+# Run as: ruby ch-1.rb < input-file
+#
+
+tens = [0, 0, 1, 2, 1, 0, 2, 6, 3, 8]
+
+ARGF . each_line do
+    | line |
+    n, d = line . split
+    n = n . to_i
+    d = d . to_i
+    d10 = d == 0 ? 100 : d * 10
+    if   n >= d10 || n % (d == 0 ? 10 : d) == 0
+    then puts (1)
+         next
+    end
+    done = false
+    for i in 1 .. tens [d] do
+        t = n - 10 * i - d
+        if   t >= 0 && t % d == 0
+        then puts (1)
+             done = true
+             break
+        end
+    end
+    if not done
+    then puts (0)
+    end
+end
diff --git a/challenge-113/abigail/ruby/ch-2.rb b/challenge-113/abigail/ruby/ch-2.rb
new file mode 100644
index 0000000000..fe48ec54a7
--- /dev/null
+++ b/challenge-113/abigail/ruby/ch-2.rb
@@ -0,0 +1,27 @@
+#!/usr/bin/ruby
+
+#
+# See ../README.md
+#
+ 
+#
+# Run as: ruby ch-2.rb < input-file
+#
+
+ARGF . each_line do
+    | line |
+    numbers = line . split . map do
+        | _ |
+        _ . to_i
+    end
+    sum = 0
+    numbers . map do
+        | n |
+        sum += n
+    end
+        
+    puts (numbers . map do
+        | n |
+        sum - n
+    end . join (" "))
+end
-- 
cgit