Completed days 1 and 2

01/input

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01/solution1.rb

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+#!/usr/bin/env ruby
+
+def calculate_fuel(mass)
+  return (mass / 3).floor - 2
+end
+
+fuel_requirements = 0
+
+ARGF.each do |line|
+  mass = line.to_i
+  fuel_requirements += calculate_fuel(mass)
+end
+
+puts "Fuel Requirements: #{fuel_requirements}"

01/solution2.rb

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+#!/usr/bin/env ruby
+
+def calculate_fuel(mass)
+  return (mass / 3).floor - 2
+end
+
+def calculate_fuel_with_fuels_fuel(mass)
+  fuel_required = calculate_fuel(mass)
+  if calculate_fuel(fuel_required) > 0
+    fuel_required += calculate_fuel_with_fuels_fuel(fuel_required)
+  end
+  return fuel_required
+end
+
+fuel_requirements = 0
+
+ARGF.each do |line|
+  mass = line.to_i
+  fuel_requirements += calculate_fuel_with_fuels_fuel(mass)
+end
+
+puts "Fuel Requirements: #{fuel_requirements}"