1 files changed, 34 insertions, 0 deletions
diff --git a/haskell/p8.hs b/haskell/p8.hs
new file mode 100644
index 0000000..61f0f4c
--- /dev/null
+++ b/haskell/p8.hs
@@ -0,0 +1,34 @@
+import Data.Char (digitToInt)
+
+p8 :: Int
+p8 = greatest5 "\
+				\73167176531330624919225119674426574742355349194934\
+				\96983520312774506326239578318016984801869478851843\
+				\85861560789112949495459501737958331952853208805511\
+				\12540698747158523863050715693290963295227443043557\
+				\66896648950445244523161731856403098711121722383113\
+				\62229893423380308135336276614282806444486645238749\
+				\30358907296290491560440772390713810515859307960866\
+				\70172427121883998797908792274921901699720888093776\
+				\65727333001053367881220235421809751254540594752243\
+				\52584907711670556013604839586446706324415722155397\
+				\53697817977846174064955149290862569321978468622482\
+				\83972241375657056057490261407972968652414535100474\
+				\82166370484403199890008895243450658541227588666881\
+				\16427171479924442928230863465674813919123162824586\
+				\17866458359124566529476545682848912883142607690042\
+				\24219022671055626321111109370544217506941658960408\
+				\07198403850962455444362981230987879927244284909188\
+				\84580156166097919133875499200524063689912560717606\
+				\05886116467109405077541002256983155200055935729725\
+				\71636269561882670428252483600823257530420752963450" 0
+	where
+		greatest5 (_:_:_:[_]) max = max
+		greatest5 l max =
+			let first5 = product (map digitToInt (take 5 l))
+			in if first5 > max
+				then greatest5 (tail l) first5
+				else greatest5 (tail l) max
+
+
+main = putStrLn $ "Solution: " ++ show p8