RosettaCodeData/Task/Fibonacci-sequence/Crystal/fibonacci-sequence-2.crystal
2023-07-01 13:44:08 -04:00

9 lines
135 B
Text

def fibIterative(n, prevFib = 0, fib = 1)
return n if n < 2
n.times do
prevFib, fib = fib, prevFib + fib
end
prevFib
end