[2023][ruby][4.2] cleanup

9 months ago · eb21642bf4
parent 0d0cc439b0
commit eb21642bf4
1 changed files with 2 additions and 5 deletions
--- a/2023/ruby/day_04.rb
+++ b/2023/ruby/day_04.rb
@ -17,9 +17,6 @@ wins = Hash.new {|h,k|
  winners = winning & card
  new_cards = (1..winners.length).map { k + _1 }

-  h[k] = winners.empty? ? 1 : 1 + new_cards.sum { h[_1] }
+  h[k] = 1 + (winners.empty? ? 0 : new_cards.sum { h[_1] })
 }
-p cards.map {|id,(winning,card)|
-    wins[id]
-  }
-  .sum
+p cards.keys.sum { wins[_1] }