Submission #74961576

---

Source Code Expand

import Control.Monad
import Control.Monad.ST
import Control.Monad.Primitive
import Data.Maybe
import qualified Data.ByteString.Char8 as BS
import Data.List
import Data.Char
import Data.Ord
import Data.Ix
import Data.Bool
import Data.Vector.Unboxed.Base
import qualified Data.Vector.Unboxed as VU
import qualified Data.Vector.Unboxed.Mutable as VUM
import qualified Data.Vector as V
import qualified Data.Vector.Mutable as VM
import Data.Array.Unboxed
import Data.Array.ST
import Data.Sequence (Seq)
import qualified Data.Sequence as Seq
import qualified Data.Set as Set
import Data.Tree
import qualified Data.Map as M
import Data.IntMap.Strict (IntMap)
import qualified Data.IntMap as IM
import qualified Data.Heap as H
import qualified AtCoder.Extra.Math as Math
import qualified AtCoder.Extra.Pdsu as Pdsu
import qualified AtCoder.Extra.Vector as VE
import Data.Semigroup (Sum (..))

readInt = fst . fromJust . BS.readInt
readIntList = map readInt . BS.words
getInt = readInt <$> BS.getLine
getIntList = readIntList <$> BS.getLine
strToInt strN = read strN :: Int

putStrList xs = putStrLn . unwords $ map show xs

main = do
    n <- getInt
    as <- getIntList
    let s = sum as
        (m, d) = s `divMod` n
    case d of
        0 -> do
                let ans = fst $ foldl' f (0, 0) as
                    f (k, r) a = (k + abs x, x)
                        where x = (a+r) - m
                print ans
        _ -> print (-1)

Submission Info

Compile Error

Configuration is affected by the following files:
- cabal.project
- cabal.project.freeze
- cabal.project.local

app/Main.hs:1:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Control.Monad’ is redundant
      except perhaps to import instances from ‘Control.Monad’
    To import instances alone, use: import Control.Monad()
  |
1 | import Control.Monad
  | ^^^^^^^^^^^^^^^^^^^^

app/Main.hs:2:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Control.Monad.ST’ is redundant
      except perhaps to import instances from ‘Control.Monad.ST’
    To import instances alone, use: import Control.Monad.ST()
  |
2 | import Control.Monad.ST
  | ^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:3:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Control.Monad.Primitive’ is redundant
      except perhaps to import instances from ‘Control.Monad.Primitive’
    To import instances alone, use: import Control.Monad.Primitive()
  |
3 | import Control.Monad.Primitive
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:7:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Char’ is redundant
      except perhaps to import instances from ‘Data.Char’
    To import instances alone, use: import Data.Char()
  |
7 | import Data.Char
  | ^^^^^^^^^^^^^^^^

app/Main.hs:8:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Ord’ is redundant
      except perhaps to import instances from ‘Data.Ord’
    To import instances alone, use: import Data.Ord()
  |
8 | import Data.Ord
  | ^^^^^^^^^^^^^^^

app/Main.hs:9:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Ix’ is redundant
      except perhaps to import instances from ‘Data.Ix’
    To import instances alone, use: import Data.Ix()
  |
9 | import Data.Ix
  | ^^^^^^^^^^^^^^

app/Main.hs:10:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Bool’ is redundant
      except perhaps to import instances from ‘Data.Bool’
    To import instances alone, use: import Data.Bool()
   |
10 | import Data.Bool
   | ^^^^^^^^^^^^^^^^

app/Main.hs:11:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Vector.Unboxed.Base’ is redundant
      except perhaps to import instances from ‘Data.Vector.Unboxed.Base’
    To import instances alone, use: import Data.Vector.Unboxed.Base()
   |
11 | import Data.Vector.Unboxed.Base
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:12:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Vector.Unboxed’ is redundant
      except perhaps to import instances from ‘Data.Vector.Unboxed’
    To import instances alone, use: import Data.Vector.Unboxed()
   |
12 | import qualified Data.Vector.Unboxed as VU
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:13:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Vector.Unboxed.Mutable’ is redundant
      except perhaps to import instances from ‘Data.Vector.Unboxed.Mutable’
    To import instances alone, use: import Data.Vector.Unboxed.Mutable()
   |
13 | import qualified Data.Vector.Unboxed.Mutable as VUM
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:14:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Vector’ is redundant
      except perhaps to import instances from ‘Data.Vector’
    To import instances alone, use: import Data.Vector()
   |
14 | import qualified Data.Vector as V
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:15:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Vector.Mutable’ is redundant
      except perhaps to import instances from ‘Data.Vector.Mutable’
    To import instances alone, use: import Data.Vector.Mutable()
   |
15 | import qualified Data.Vector.Mutable as VM
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:16:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Array.Unboxed’ is redundant
      except perhaps to import instances from ‘Data.Array.Unboxed’
    To import instances alone, use: import Data.Array.Unboxed()
   |
16 | import Data.Array.Unboxed
   | ^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:17:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Array.ST’ is redundant
      except perhaps to import instances from ‘Data.Array.ST’
    To import instances alone, use: import Data.Array.ST()
   |
17 | import Data.Array.ST
   | ^^^^^^^^^^^^^^^^^^^^

app/Main.hs:18:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Sequence’ is redundant
      except perhaps to import instances from ‘Data.Sequence’
    To import instances alone, use: import Data.Sequence()
   |
18 | import Data.Sequence (Seq)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:19:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Sequence’ is redundant
      except perhaps to import instances from ‘Data.Sequence’
    To import instances alone, use: import Data.Sequence()
   |
19 | import qualified Data.Sequence as Seq
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:20:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Set’ is redundant
      except perhaps to import instances from ‘Data.Set’
    To import instances alone, use: import Data.Set()
   |
20 | import qualified Data.Set as Set
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:21:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Tree’ is redundant
      except perhaps to import instances from ‘Data.Tree’
    To import instances alone, use: import Data.Tree()
   |
21 | import Data.Tree
   | ^^^^^^^^^^^^^^^^

app/Main.hs:22:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Map’ is redundant
      except perhaps to import instances from ‘Data.Map’
    To import instances alone, use: import Data.Map()
   |
22 | import qualified Data.Map as M
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:23:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.IntMap.Strict’ is redundant
      except perhaps to import instances from ‘Data.IntMap.Strict’
    To import instances alone, use: import Data.IntMap.Strict()
   |
23 | import Data.IntMap.Strict (IntMap)
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:24:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.IntMap’ is redundant
      except perhaps to import instances from ‘Data.IntMap’
    To import instances alone, use: import Data.IntMap()
   |
24 | import qualified Data.IntMap as IM
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:25:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘Data.Heap’ is redundant
      except perhaps to import instances from ‘Data.Heap’
    To import instances alone, use: import Data.Heap()
   |
25 | import qualified Data.Heap as H
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:26:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘AtCoder.Extra.Math’ is redundant
      except perhaps to import instances from ‘AtCoder.Extra.Math’
    To import instances alone, use: import AtCoder.Extra.Math()
   |
26 | import qualified AtCoder.Extra.Math as Math
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:27:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘AtCoder.Extra.Pdsu’ is redundant
      except perhaps to import instances from ‘AtCoder.Extra.Pdsu’
    To import instances alone, use: import AtCoder.Extra.Pdsu()
   |
27 | import qualified AtCoder.Extra.Pdsu as Pdsu
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:28:1: warning: [GHC-66111] [-Wunused-imports]
    The qualified import of ‘AtCoder.Extra.Vector’ is redundant
      except perhaps to import instances from ‘AtCoder.Extra.Vector’
    To import instances alone, use: import AtCoder.Extra.Vector()
   |
28 | import qualified AtCoder.Extra.Vector as VE
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:29:1: warning: [GHC-66111] [-Wunused-imports]
    The import of ‘Data.Semigroup’ is redundant
      except perhaps to import instances from ‘Data.Semigroup’
    To import instances alone, use: import Data.Semigroup()
   |
29 | import Data.Semigroup (Sum (..))
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

app/Main.hs:31:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature:
      readInt :: BS.ByteString -> Int
   |
31 | readInt = fst . fromJust . BS.readInt
   | ^^^^^^^

app/Main.hs:32:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature:
      readIntList :: BS.ByteString -> [Int]
   |
32 | readIntList = map readInt . BS.words
   | ^^^^^^^^^^^

app/Main.hs:33:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature: getInt :: IO Int
   |
33 | getInt = readInt <$> BS.getLine
   | ^^^^^^

app/Main.hs:34:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature: getIntList :: IO [Int]
   |
34 | getIntList = readIntList <$> BS.getLine
   | ^^^^^^^^^^

app/Main.hs:35:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature: strToInt :: String -> Int
   |
35 | strToInt strN = read strN :: Int
   | ^^^^^^^^

app/Main.hs:35:1: warning: [GHC-40910] [-Wunused-top-binds]
    Defined but not used: ‘strToInt’
   |
35 | strToInt strN = read strN :: Int
   | ^^^^^^^^

app/Main.hs:37:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature:
      putStrList :: Show a => [a] -> IO ()
   |
37 | putStrList xs = putStrLn . unwords $ map show xs
   | ^^^^^^^^^^

app/Main.hs:37:1: warning: [GHC-40910] [-Wunused-top-binds]
    Defined but not used: ‘putStrList’
   |
37 | putStrList xs = putStrLn . unwords $ map show xs
   | ^^^^^^^^^^

app/Main.hs:39:1: warning: [GHC-38417] [-Wmissing-signatures]
    Top-level binding with no type signature: main :: IO ()
   |
39 | main = do
   | ^^^^

app/Main.hs:50:14: warning: [GHC-18042] [-Wtype-defaults]
    • Defaulting the type variable ‘a0’ to type ‘Integer’ in the following constraints
        (Show a0) arising from a use of ‘print’ at app/Main.hs:50:14-18
        (Num a0)
          arising from a use of syntactic negation at app/Main.hs:50:21-22
    • In the expression: print (- 1)
      In a case alternative: _ -> print (- 1)
      In a stmt of a 'do' block:
        case d of
          0 -> do let ...
                  print ans
          _ -> print (- 1)
   |
50 |         _ -> print (-1)
   |              ^^^^^
Configuration is affected by the following files:
- cabal.project
- cabal.project.freeze
- cabal.project.local

Judge Result