some golf

Author: schoblaska

02/a.rb

@@ -1,5 +1,3 @@
-score = 0
-
 RESULTS = {
   "A X" => 1 + 3,
   "A Y" => 2 + 6,
@@ -12,6 +10,4 @@
   "C Z" => 3 + 3
 }
 
-File.readlines("02/input.txt").each { |line| score += RESULTS[line.strip] }
-
-p score
+puts File.readlines("02/input.txt").sum { |line| RESULTS[line.strip] }

02/b.rb

@@ -1,5 +1,3 @@
-score = 0
-
 RESULTS = {
   "A X" => 3 + 0,
   "A Y" => 1 + 3,
@@ -12,6 +10,4 @@
   "C Z" => 1 + 6
 }
 
-File.readlines("02/input.txt").each { |line| score += RESULTS[line.strip] }
-
-p score
+puts File.readlines("02/input.txt").sum { |line| RESULTS[line.strip] }

03/a.rb

@@ -1,12 +1,11 @@
 prios = ["-"] + ("a".."z").to_a + ("A".."Z").to_a
 
-puts(
-  File
-    .readlines("03/input.txt", chomp: true)
-    .sum do |line|
-      chars = line.chars
-      half1, half2 = chars.each_slice(chars.size / 2).to_a
-      common = (half1 & half2).first
-      prios.index(common)
-    end
-)
+File
+  .readlines("03/input.txt", chomp: true)
+  .sum do |line|
+    chars = line.chars
+    half1, half2 = chars.each_slice(chars.size / 2).to_a
+    common = (half1 & half2).first
+    prios.index(common)
+  end
+  .then { |sum| puts sum }

03/b.rb

@@ -1,8 +1,7 @@
 prios = ["-"] + ("a".."z").to_a + ("A".."Z").to_a
 
-puts(
-  File
-    .readlines("03/input.txt", chomp: true)
-    .each_slice(3)
-    .sum { |lines| prios.index(lines.map(&:chars).reduce(&:&).first) }
-)
+File
+  .readlines("03/input.txt", chomp: true)
+  .each_slice(3)
+  .sum { |lines| prios.index(lines.map(&:chars).reduce(&:&).first) }
+  .then { |sum| puts sum }