day 14 part 1

.rubocop.yml

@@ -75,7 +75,7 @@ Style/ExponentialNotation:
 Style/FrozenStringLiteralComment:
   Enabled: false
 Style/GuardClause:
-  MinBodyLength: 3
+  Enabled: false
 Style/HashEachMethods:
   Enabled: true
 Style/HashTransformKeys:

examples/14.txt

@@ -0,0 +1,10 @@
+O....#....
+O.OO#....#
+.....##...
+OO.#O....O
+.O.....O#.
+O.#..O.#.#
+..O..#O..O
+.......O..
+#....###..
+#OO..#....

lib/days/14.rb

@@ -0,0 +1,63 @@
+class Day14
+
+  def part1(input)
+    lines = input.split("\n")
+
+    columns = []
+
+    lines.length.times do |n|
+      lines[n].chars.each_with_index do |char, i|
+        columns[i] ||= []
+        columns[i] << char
+      end
+    end
+
+    columns = columns.map do |c|
+      shift_column(c)
+    end
+
+    value = 0
+
+    columns.each do |col|
+      col.each_with_index do |obj, index|
+        if obj == 'O'
+          value += (col.length - index)
+        end
+      end
+    end
+
+    value
+  end
+
+  def shift_column(column)
+    column.length.times do |n|
+      next if n.zero?
+
+      n.times do |i|
+        position = n - i
+
+        char = column[position]
+        prev_char = column[position - 1]
+
+        if char == 'O' && prev_char == '.'
+          column[position] = '.'
+          column[position - 1] = 'O'
+        else
+          break
+        end
+      end
+    end
+
+    column
+  end
+
+  def rotate_clockwise(columns)
+    new_columns = []
+
+  end
+
+  def part2(input)
+    'TODO'
+  end
+
+end

test/14_test.rb

@@ -0,0 +1,18 @@
+require 'minitest/autorun'
+require 'minitest/pride'
+require_relative '../app'
+
+class TestDay14 < Minitest::Test
+  def setup
+    @data = File.read(File.join(APP_ROOT, 'examples', '14.txt')).rstrip
+    @day = Day14.new
+  end
+
+  def test_part1
+    assert_equal @day.part1(@data), 136
+  end
+
+  def test_part2
+    assert_equal @day.part2(@data), ''
+  end
+end