10 lines
188 B
Python
10 lines
188 B
Python
from functools import cache
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@cache
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def ack2(M, N):
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if M == 0:
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return N + 1
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elif N == 0:
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return ack2(M - 1, 1)
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else:
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return ack2(M - 1, ack2(M, N - 1))
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