14 lines
359 B
Plaintext
14 lines
359 B
Plaintext
-- https://adventofcode.com/2019/day/1
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require "common"
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input = -> input_for_day(1)\gmatch "%d+"
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mass_to_fuel = => -2 + math.floor @ / 3
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print "Part 1:", reduce input!, 0, (n) => @ + mass_to_fuel n
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fuel_for_fuel = =>
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f = mass_to_fuel @
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if f < 1 then return 0 else return f + fuel_for_fuel f
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print "Part 2:", reduce input!, 0, (n) => @ + fuel_for_fuel n
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