Ackermann function: Difference between revisions
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m →{{header|Python}}: memoization is available in the library |
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ack1(M-1, 1) if N == 0 else ack1(M-1, ack1(M, N-1)))</lang> |
ack1(M-1, 1) if N == 0 else ack1(M-1, ack1(M, N-1)))</lang> |
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Another version: |
Another version: |
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<lang python> |
<lang python>from functools import lru_cache |
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@lru_cache(None) |
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def ack2(M, N): |
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if M == 0: |
if M == 0: |
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return N + 1 |
return N + 1 |
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