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Haskell 001 with guards

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Correl Roush 2011-10-10 23:12:17 -04:00
parent 32f83b946f
commit 25798c7cc2
1 changed files with 4 additions and 7 deletions
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11
haskell/e001.hs
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@ -7,13 +7,10 @@
import Text.Printf
multiples :: (Integral a) => a -> a
multiples max =
if max < 3 then
0
else
if (max `mod` 5 == 0 || max `mod` 3 == 0) then
max + multiples (max - 1)
else multiples (max - 1)
multiples max
| max < 3 = 0
| (max `mod` 5 == 0) || (max `mod` 3 == 0) = max + multiples (max - 1)
| otherwise = multiples (max - 1)
main = do
printf "Sum of multiples below 10: %d\n" (multiples 9 :: Int)