There's interesting challenge on Dzone website. The task is to print Fibonacci sequence for first 30 numbers in the format "order: fib number". Once constraint is that you can't use any numbers in the code. Shortest answer wins.
My take on that problem in Ruby is here (85characters):
My take on that problem in Ruby is here (85characters):
[edit] During morning run I've realised that using array is just PITA and by getting rid of indexes for last and previous elements I can save some space (64 characters):