Advent of Code 2019 - Lua
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result_p1 = 0
result_p2 = 0
for mass in io.lines(arg[1], "n") do
fuel = mass // 3 - 2
result_p1 = result_p1 + fuel
while fuel > 0 do
result_p2 = result_p2 + fuel
fuel = fuel // 3 - 2
end
end
print("Part 1:", result_p1)
print("Part 2:", result_p2)