23 lines
637 B
Python
23 lines
637 B
Python
def is_safe(report):
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levels = list(map(int, report.split()))
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differences = [levels[i+1] - levels[i] for i in range(len(levels) - 1)]
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if all(-3 <= diff <= -1 for diff in differences) or all(1 <= diff <= 3 for diff in differences):
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return True
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return False
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def count_safe_reports(data):
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reports = data.strip().split('\n')
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safe_count = sum(is_safe(report) for report in reports)
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return safe_count
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data = """7 6 4 2 1
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1 2 7 8 9
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9 7 6 2 1
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1 3 2 4 5
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8 6 4 4 1
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1 3 6 7 9"""
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data = open('input.txt', 'r').read()
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safe_reports = count_safe_reports(data)
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print(f"Number of safe reports: {safe_reports}")
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