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43 lines
688 B
Python
43 lines
688 B
Python
#!/usr/bin/env python
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from os.path import join, dirname
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# Day 1
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# Common
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def read_input(filename):
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data = join(dirname(__file__), '..', filename)
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with open(data) as f:
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return f.read().strip()
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test = read_input('test.txt')
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data = read_input('input.txt')
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# Running
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# Part 1
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def get_fuel_by_mass(mass: int):
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return mass // 3 - 2
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total = sum([get_fuel_by_mass(int(x)) for x in data.splitlines()])
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print(total)
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# Part 2
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def get_fuel_by_mass_rec(mass: int):
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if mass <= 6:
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return 0
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fuel = get_fuel_by_mass(mass)
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return fuel + get_fuel_by_mass_rec(fuel)
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total = sum([get_fuel_by_mass_rec(int(x)) for x in data.splitlines()])
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print(total)
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