AoC01.py

AoC01.py

'''AoC 2018 #01, https://adventofcode.com/2018/day/1 - Olaf, 1 Dec 2018'''

with open('AoC01.txt') as file:
    deltas = tuple(map(int, file.readlines()))

print('first answer', sum(deltas))

frequency, previous, found = 0, set(), False

while not found:
    for freq in deltas:
        previous |= {frequency}
        frequency += freq
        if frequency in previous:
            print('second answer', frequency)
            found = True
            break