35 lines
607 B
Python
35 lines
607 B
Python
import sys
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def load_freqs(filename):
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freqs = []
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with open(filename, "r") as f:
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for line in f:
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n = int(line[1:-1])
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if line[0] == "-":
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n = -n
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freqs.append(n)
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return freqs
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def find_repeat(freqs):
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total = 0
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found = {total}
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while True:
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for n in freqs:
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total += n
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if total in found:
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return total
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else:
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found.add(total)
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def main(filename):
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freqs = load_freqs(filename)
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print(" Part 1")
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print(f"Total: {sum(freqs)}")
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print()
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print(" Part 2")
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print(f"First repeat: {find_repeat(freqs)}")
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if __name__ == "__main__":
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for filename in sys.argv[1:]:
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main(filename)
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