1 files changed, 18 insertions, 0 deletions
diff --git a/6-kyu/duplicate-encoder.hs b/6-kyu/duplicate-encoder.hs
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+++ b/6-kyu/duplicate-encoder.hs
@@ -0,0 +1,18 @@
+-- https://www.codewars.com/kata/54b42f9314d9229fd6000d9c
+
+module Dups where
+
+import Data.Char
+
+count s c
+  | s == [] = 0
+  | c == (head s) = 1 + count (tail s) c
+  | otherwise = count (tail s) c
+
+convert s c
+  | count s c > 1 = ')'
+  | otherwise = '('
+
+duplicateEncode :: String -> String
+duplicateEncode s = map (convert ls) ls
+  where ls = map toLower s