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12 lines
217 B
Python
12 lines
217 B
Python
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def f(n, path):
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if n == 26:
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if 12 in path:
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return 1
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return 0
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if n > 26:
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return 0
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return f(n + 1, path + [n + 1]) + f(n + 7, path + [n + 7])
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print(f(5, []))
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