Year 2019 Day 1

tudorpavel · Oct 28, 2024 · 578ebe0 · 578ebe0
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diff --git a/2019/day01.rb b/2019/day01.rb
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+module_masses = STDIN.read.split("\n").map(&:to_i)
+
+puts module_masses.map { |mass| (mass / 3) - 2 }.sum
+puts (
+  module_masses.map do |mass|
+    fuel = 0
+    while mass > 0
+      mass = (mass / 3) - 2
+      fuel += mass < 0 ? 0 : mass
+    end
+    fuel
+  end.sum
+)
diff --git a/2019/examples/day01.txt b/2019/examples/day01.txt
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+14
+1969
+100756