Restore 2023-01 part 1 solution

2023/01/sol1.rb

@@ -3,39 +3,7 @@
   f.readlines.map(&:chomp)
 end
 
-pat = /\d|one|two|three|four|five|six|seven|eight|nine/
-
-def dig(s)
-  case s
-  when 'one'
-    '1'
-  when 'two'
-    '2'
-  when 'three'
-    '3'
-  when 'four'
-    '4'
-  when 'five'
-    '5'
-  when 'six'
-    '6'
-  when 'seven'
-    '7'
-  when 'eight'
-    '8'
-  when 'nine'
-    '9'
-  else
-    s
-  end
-end
-
-x = input.map do |s|
-  matches = s.size.times.map do |i|
-    s.match(pat, i)
-  end.compact
-
-  (dig(matches.first.to_s) + dig(matches.last.to_s)).to_i
-end.sum
-
-p x
+p (input.map do |s|
+  a = s.scan(/\d/)
+  (a.first + a.last).to_i
+end.sum)

2023/01/sol2.rb

@@ -0,0 +1,41 @@
+$stdout = File.open('aoc.out', 'w')
+input = File.open('aoc.in') do |f|
+  f.readlines.map(&:chomp)
+end
+
+pat = /\d|one|two|three|four|five|six|seven|eight|nine/
+
+def dig(s)
+  case s
+  when 'one'
+    '1'
+  when 'two'
+    '2'
+  when 'three'
+    '3'
+  when 'four'
+    '4'
+  when 'five'
+    '5'
+  when 'six'
+    '6'
+  when 'seven'
+    '7'
+  when 'eight'
+    '8'
+  when 'nine'
+    '9'
+  else
+    s
+  end
+end
+
+x = input.map do |s|
+  matches = s.size.times.map do |i|
+    s.match(pat, i)
+  end.compact
+
+  (dig(matches.first.to_s) + dig(matches.last.to_s)).to_i
+end.sum
+
+p x