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Euler 13

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commit 7a4470d101d22c9ce523881cc9d1d4c469036e4b 1 parent b236917
Thomas Nøkleby thomasnokleby authored
11 src/main/haskell/Euler13.hs
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@@ -0,0 +1,11 @@
+import qualified Data.Vector as V
+import Data.List.Split
+import Math
+
+main :: IO ()
+main = do
+ s <- readFile "euler13data.txt"
+ print (foldl (+) 0 (strToIntList(splitOn "\n" s)))
+
+
+
100 src/main/haskell/euler13data.txt
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@@ -0,0 +1,100 @@
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4 src/main/haskell/math.hs
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@@ -1,5 +1,9 @@
module Math where
+strToIntList :: [String] -> [Integer]
+strToIntList (x:xs) = [read x] ++ strToIntList xs
+strToIntList [] = []
+
toTriangleNumber :: Int -> Int
toTriangleNumber 1 = 1
toTriangleNumber n = n + toTriangleNumber (n-1)
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