fork(1) download
copy 
  1. fib :: Int -> Int
  2. fib 1 = 1
  3. fib 2 = 1
  4. fib n = fib (n - 1) + fib (n - 2)
  5.  
  6. main = print (fib(40))
Success #stdin #stdout 1.59s 4540KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
102334155
https://ideone.com/58bSgu
language:
Haskell (ghc 8.4.4)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!