From 88bcc95160828a042faae2b231ccb5cbeab3af7f Mon Sep 17 00:00:00 2001 From: Alpha Chen Date: Sat, 30 Nov 2024 21:04:24 -0800 Subject: [PATCH] [2024][ruby][1.x] --- 2024/ruby/day_01.rb | 1014 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1014 insertions(+) create mode 100644 2024/ruby/day_01.rb diff --git a/2024/ruby/day_01.rb b/2024/ruby/day_01.rb new file mode 100644 index 0000000..546d620 --- /dev/null +++ b/2024/ruby/day_01.rb @@ -0,0 +1,1014 @@ +input = DATA.read.chomp + .lines + .map { _1.split.map(&:to_i) } + .transpose + .map(&:sort) + +a, b = input + +# pp a.zip(b).map { _1 - _2 }.map(&:abs).sum + +b = b.tally +pp a.sum { _1 * b.fetch(_1, 0) } + +__END__ +84283 63343 +35360 98209 +17841 84541 +22035 44413 +43645 22440 +45290 95042 +47251 69434 +39300 96178 +19278 89783 +85842 65775 +35833 86545 +83505 46651 +84748 99338 +89475 33222 +42161 58577 +44380 60478 +71528 39698 +70514 65226 +44413 43676 +33787 32152 +90737 63686 +37294 68183 +75263 59626 +60662 72213 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