Day 08

1 files changed, 23 insertions, 0 deletions

diff --git a/day08/part2 b/day08/part2
new file mode 100755
index 0000000..5d56a8c
--- /dev/null
+++ b/day08/part2
@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+
+W = 25
+T = 6
+
+input = $stdin.readlines[0].strip.chars.map(&:to_i)
+
+layers = input.each_slice(W * T).to_a
+
+image = layers.pop
+
+layers.reverse.each do |layer|
+  layer.each_index do |i|
+    case layer[i]
+    when 0
+      image[i] = 0
+    when 1
+      image[i] = 1
+    end
+  end
+end
+
+puts image.map{|p|p == 0 ? " " : "█"}.each_slice(W).map(&:join)