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  1. pow :: (Num a) => a -> Integer -> a
  2. pow x 0 = 1
  3. pow x n
  4.   | n `mod` 2 == 0  =  s*s
  5.   | otherwise       =  x*s*s
  6.   where
  7.     m = n `div` 2
  8.     s = pow x m
  9.  
  10.  
  11. main = print (pow 10 30)
Success #stdin #stdout 0s 5724KB
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stdin
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Standard input is empty
stdout
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1000000000000000000000000000000
https://ideone.com/WqPIuL
language:
Haskell (ghc 8.4.4)
created:
12 years ago
visibility:
public

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