Add all the A tasks

This commit is contained in:
Ingy döt Net 2013-04-10 14:58:50 -07:00
parent 2dd7375f96
commit 051504d65b
1608 changed files with 18584 additions and 0 deletions

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@ -0,0 +1,7 @@
fib :: Integer -> Maybe Integer
fib n
| n < 0 = Nothing
| otherwise = Just $ real n
where real 0 = 1
real 1 = 1
real n = real (n-1) + real (n-2)