27 lines
606 B
Python
27 lines
606 B
Python
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def solve(f):
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t = 0
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extra = 0
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for line in f:
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report = [int(x) for x in line.split()]
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safe = issafe(report)
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t += int(safe)
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if not safe:
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for i in range(len(report)):
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if issafe(report[:i] + report[i+1:]):
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extra += 1
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break
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print(t)
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print(t + extra)
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def issafe(report):
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d = [y-x for x,y in zip(report,report[1:])]
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if all(1<=x<=3 for x in d):
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return True
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if all(-3<=x<=-1 for x in d):
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return True
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return False
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solve(open("sample1.in"))
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solve(open("input"))
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