03/2 - Ruby

calypso · web-flow · commit c6851e63bf3f · 2018-12-03T16:55:49.000-02:00
03/2 - Ruby
diff --git a/2018/03_2/ruby/leovano.rb b/2018/03_2/ruby/leovano.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+begin
+  input = File.readlines(ARGV[0])
+
+  claims = Hash.new 0
+
+  input.map! do |claim|
+    claim.split(/[#@,:x]/)
+         .reject(&:empty?)
+         .map(&:to_i)
+  end
+
+  input.each do |claim|
+    (claim[1]...claim[1] + claim[3]).each do |x|
+      (claim[2]...claim[2] + claim[4]).each do |y|
+        claims[[x, y]] += 1
+      end
+    end
+  end
+
+  overlap = lambda do |claim|
+    (claim[1]...claim[1] + claim[3]).each do |x|
+      (claim[2]...claim[2] + claim[4]).each do |y|
+        return false if claims[[x, y]] != 1
+      end
+    end
+    true
+  end
+
+  puts input.find(&overlap)[0]
+rescue TypeError
+  STDERR.puts 'Arg1'
+rescue StandardError => e
+  STDERR.puts e
+end
