RosettaCodeData/Task/Ackermann-function/Crystal/ackermann-function.crystal
2019-09-12 10:33:56 -07:00

14 lines
190 B
Text

def ack(m, n)
if m == 0
n + 1
elsif n == 0
ack(m-1, 1)
else
ack(m-1, ack(m, n-1))
end
end
#Example:
(0..3).each do |m|
puts (0..6).map { |n| ack(m, n) }.join(' ')
end