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18 lines
491 B
18 lines
491 B
def get_fuel(mass):
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return max(0, mass // 3 - 2)
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needed_fuel = 0
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with open("day1.txt", "rt") as input_file:
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for line in input_file.readlines():
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mass = int(line.strip())
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fuel = get_fuel(mass)
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# Part 2. Comment from line 11 to 14 included for part 1.
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fuel_for_fuel = fuel
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while fuel_for_fuel > 0:
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fuel_for_fuel = get_fuel(fuel_for_fuel)
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fuel += fuel_for_fuel
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needed_fuel += fuel
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print(needed_fuel)
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