RosettaCodeData/Task/Ackermann-function/Julia/ackermann-function-3.julia
2018-06-22 20:57:24 +00:00

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using Memoize
@memoize ack3(m::Integer, n::Integer) = m == 0 ? n + 1 : n == 0 ? ack3(m - 1, 1) : ack3(m - 1, ack3(m, n - 1))