RosettaCodeData/Task/Ackermann-function/Run-BASIC/ackermann-function.basic

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2023-07-01 11:58:00 -04:00
print ackermann(1, 2)
function ackermann(m, n)
if (m = 0) then ackermann = (n + 1)
if (m > 0) and (n = 0) then ackermann = ackermann((m - 1), 1)
if (m > 0) and (n > 0) then ackermann = ackermann((m - 1), ackermann(m, (n - 1)))
end function