OS/2 Shareware BBS: 10 Tools/10-Tools.zip/rbemx144.zip/ruby-1.4.4/sample/fib.rb

Text File | 1998-01-16 | 129b | 11 lines

# calculate Fibonacci(20)
# for benchmark
def fib(n)
  if n<2
    n
  else
    fib(n-2)+fib(n-1)
  end
end
print(fib(20), "\n");