1 files changed, 12 insertions, 0 deletions
diff --git a/2024/03a/run.rb b/2024/03a/run.rb
new file mode 100755
index 0000000..1effb9b
--- /dev/null
+++ b/2024/03a/run.rb
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+data = File.read("data.txt")
+
+valid = data.scan(/mul\(\d*,\d*\)/)
+sum = 0;
+
+ops = valid.map do |operation|
+  operation.gsub(/[^\d*,]/, "").to_s.split(",").map(&:to_i).reduce(&:*)
+end
+
+p ops.sum