commit 9b78a63fba8f10f5296e111c556be821cdaa9d96
Author: Andrew Tomaka <atomaka@atomaka.com>
Date:   Sun Dec 1 16:21:27 2024 -0500

    Day one

diff --git a/1-1.rb b/1-1.rb
new file mode 100755
index 0000000..2cccc63
--- /dev/null
+++ b/1-1.rb
@@ -0,0 +1,14 @@
+#!/usr/bin/env ruby
+
+require "debug"
+
+input = File.readlines("1.input").map(&:split)
+
+first = input.map(&:first).compact.sort
+last = input.map(&:last).compact.sort
+
+result = first.map.with_index do |v, i|
+  (v.to_i - last[i].to_i).abs
+end.sum
+
+puts result
diff --git a/1-2.rb b/1-2.rb
new file mode 100755
index 0000000..474128a
--- /dev/null
+++ b/1-2.rb
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+input = File.readlines("1.input").map(&:split)
+
+first = input.map(&:first).compact
+last = input.map(&:last).compact
+
+result = first.map do |v|
+  v.to_i * last.select { _1.match?(v) }.size
+end.sum
+
+puts result
diff --git a/1.input b/1.input
new file mode 100644
index 0000000..90f7ec2
--- /dev/null
+++ b/1.input
@@ -0,0 +1,1001 @@
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