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https://github.com/thib8956/advent-of-code.git
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37 lines
867 B
Python
37 lines
867 B
Python
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from itertools import pairwise
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def is_safe(report):
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diffs = [b - a for a, b in pairwise(report)]
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return all(1 <= d <= 3 for d in diffs) or all(-3 <= d <= -1 for d in diffs)
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def is_safe_with_problem_damper(report):
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for i, _ in enumerate(report):
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copy = report[::]
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del copy[i]
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if is_safe(copy):
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return True
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return False
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def main(reports):
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safe_reports = sum(1 for x in reports if is_safe(x))
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print("Part 1: ", safe_reports)
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safe_reports = 0
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for report in reports:
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if is_safe_with_problem_damper(report):
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safe_reports += 1
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print("Part 2: ", safe_reports)
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if __name__ == "__main__":
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import sys
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infile = sys.argv[1]
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with open(infile) as f:
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lines = f.readlines()
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lines = [list(map(int, x.rstrip().split())) for x in lines]
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main(lines)
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