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10 lines
188 B
Python
10 lines
188 B
Python
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def f(n, path):
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if n <= 0:
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return 0
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if n == 1 and 10 in path:
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return 1
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return f(n - 2, path + [n - 2]) + f(n // 2, path + [n // 2])
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print(f(28, []))
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