50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
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import matrix
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import shared
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import itertools
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import functools
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def is_increasing(sequence):
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return all(sequence[i] < sequence[i+1] for i in range(len(sequence) - 1))
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def is_decreasing(sequence):
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return all(sequence[i] > sequence[i+1] for i in range(len(sequence) - 1))
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def parse_line(row):
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if not(is_increasing(row) or is_decreasing(row)):
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return 0
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for previous, current in zip(row, row[1:]):
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diff = abs(current - previous)
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if diff >= 1 and diff <= 3:
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continue
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return 0
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return 1
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# @shared.profile
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def part1(rows):
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rows = [list(map(int, row.split())) for row in rows]
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safe = 0
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for row in rows:
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safe += parse_line(row)
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print(safe)
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# @shared.profile
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def part2(rows):
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pass
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def main():
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rows = [row for row in shared.load_rows(2)]
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with shared.elapsed_timer() as elapsed:
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part1(rows)
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print("🕒", elapsed())
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rows = [row for row in shared.load_rows(2, True)]
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with shared.elapsed_timer() as elapsed:
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part2(rows)
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print("🕒", elapsed())
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if __name__ == "__main__":
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main()
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