From de0f2203210d67a021624c433d08125a141a2026 Mon Sep 17 00:00:00 2001
From: s00ner <s00ner@doublehack.me>
Date: Wed, 1 Jan 2025 13:23:18 -0500
Subject: [PATCH] solved day5 and rubocopd

---
 day05/input        | 1362 ++++++++++++++++++++++++++++++++++++++++++++
 day05/input.sample |   28 +
 day05/solution1.rb |   24 +
 day05/solution2.rb |   44 ++
 4 files changed, 1458 insertions(+)
 create mode 100644 day05/input
 create mode 100644 day05/input.sample
 create mode 100755 day05/solution1.rb
 create mode 100755 day05/solution2.rb

diff --git a/day05/input b/day05/input
new file mode 100644
index 0000000..9c0f8fa
--- /dev/null
+++ b/day05/input
@@ -0,0 +1,1362 @@
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+12,74,15,94,69,22,24
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+72,71,85,46,12,49,16,43,75,91,53,67,66,28,88
+75,91,53,67,34,66,23,28,63,33,18,68,69,11,22
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+41,63,66,16,77,64,49,28,91,75,43,67,88,84,87,89,53,19,62,18,34
+24,72,13,12,49,62,75,23,28
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+89,32,23,63,11,28,45,41,22,87,75,91,18,19,66
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+35,21,26,46,49,64,75,91,53,67,23
+11,22,97,81,17,36,72,15,21,26,46,39,12,49,62
+64,41,69,19,77,84,45
+84,45,37,74,99,36,72,21,46
+64,49,66,75,28,84,53
+69,11,22,81,74,99,36,24,71,26,46,39,12
+32,66,37,87,69,97,23,34,89,41,22,67,53,11,88,19,77
+67,34,66,23,77,87,33,19,18,41,32,84,68,69,11,22,81
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+37,81,74,24,85,26,46,39,64
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+26,49,62,43,91,53,34,88,77,33,18
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+88,87,19,18,84,69,81
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diff --git a/day05/input.sample b/day05/input.sample
new file mode 100644
index 0000000..9d146d6
--- /dev/null
+++ b/day05/input.sample
@@ -0,0 +1,28 @@
+47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47
diff --git a/day05/solution1.rb b/day05/solution1.rb
new file mode 100755
index 0000000..93404a6
--- /dev/null
+++ b/day05/solution1.rb
@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'pry'
+
+# ifile = 'input.sample'
+ifile = 'input'
+input = File.readlines(ifile).map(&:strip).reject(&:empty?)
+
+updates, rules = input.partition { _1.match?(',') }
+rules.map! { _1.split('|').map(&:to_i) }
+updates.map! { _1.split(',').map(&:to_i) }
+
+updates.select! do |update|
+  update.combination(2).map do |pair|
+    rule = rules.select { _1.include?(pair[0]) and _1.include?(pair[1]) }.flatten
+    next if rule.empty?
+
+    rule == pair
+  end.all?
+end
+solution = updates.map { |update| update[update.size / 2] }.sum
+# binding.pry
+puts solution
diff --git a/day05/solution2.rb b/day05/solution2.rb
new file mode 100755
index 0000000..31d1cf9
--- /dev/null
+++ b/day05/solution2.rb
@@ -0,0 +1,44 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'pry'
+
+def bubble_sort(array, rules)
+  return array if array.size <= 1
+
+  swap = true
+  while swap
+    swap = false
+    (array.length - 1).times do |x|
+      rule = rules.select { _1.include?(array[x]) and _1.include?(array[x + 1]) }.flatten
+      if rule != [array[x], array[x + 1]]
+        array[x], array[x + 1] = array[x + 1], array[x]
+        swap = true
+      end
+    end
+  end
+  array
+end
+
+# ifile = 'input.sample'
+ifile = 'input'
+input = File.readlines(ifile).map(&:strip).reject(&:empty?)
+
+updates, rules = input.partition { _1.match?(',') }
+rules.map! { _1.split('|').map(&:to_i) }
+updates.map! { _1.split(',').map(&:to_i) }
+
+updates.reject! do |update|
+  update.combination(2).map do |pair|
+    rule = rules.select { _1.include?(pair[0]) and _1.include?(pair[1]) }.flatten
+    next if rule.empty?
+
+    rule == pair
+  end.all?
+end
+
+updates.map! { |update| bubble_sort(update, rules) }
+
+solution = updates.map { |update| update[update.size / 2] }.sum
+# binding.pry
+puts solution