Day 1 Part 2

01/Main.idr

@@ -2,18 +2,30 @@ import System.File.ReadWrite
 import Data.String
 import Data.List1
 
+parseInput : String -> List1 (List Int)
+parseInput input =
+  let inputLines = lines input
+      grouped = split (== "") inputLines
+  in map (map cast) grouped
+
 part1 : String -> IO ()
 part1 input =
- let inputLines = lines input
-     grouped = split (== "") inputLines
-     parsed = map (map cast) grouped
+ let parsed = parseInput input
      totals = map (foldr (+) 0) parsed
  in do printLn $ foldr max 0 totals
 
+part2 : String -> IO ()
+part2 input =
+ let parsed = parseInput input
+     totals = map (foldr (+) 0) parsed
+     sorted = reverse . sort . forget $ totals
+
 main : IO ()
 main = do file <- readFile "input"
           case file of
             Right content =>
                 do putStr "Part 1: "
                    part1 content
+                   putStr "Part 2: "
+                   part2 content
             Left err => printLn err