結果

問題 No.490 yukiソート
ユーザー こまる
提出日時 2020-11-24 00:41:23
言語 Haskell
(9.10.1)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 15,314 bytes
コンパイル時間 1,619 ms
コンパイル使用メモリ 195,380 KB
最終ジャッジ日時 2024-11-14 23:55:08
合計ジャッジ時間 2,262 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
(要ログイン)
コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.8.2/environments/default
[1 of 2] Compiling Main             ( Main.hs, Main.o )

Main.hs:50:33: error: [GHC-87543]
    Ambiguous occurrence ‘.>>.’.
    It could refer to
       either ‘Data.Bits..>>.’,
              imported from ‘Data.Bits’ at Main.hs:14:1-26,
           or ‘Main..>>.’, defined at Main.hs:114:1.
   |
50 |     mask k x = fromIntegral $ x .>>. k .&. 0xffff
   |                                 ^^^^

Main.hs:79:33: error: [GHC-87543]
    Ambiguous occurrence ‘.>>.’.
    It could refer to
       either ‘Data.Bits..>>.’,
              imported from ‘Data.Bits’ at Main.hs:14:1-26,
           or ‘Main..>>.’, defined at Main.hs:114:1.
   |
79 |     mask k x = fromIntegral $ x .>>. k .&. 0xffff
   |                                 ^^^^

Main.hs:98:14: error: [GHC-87543]
    Ambiguous occurrence ‘.>>.’.
    It could refer to
       either ‘Data.Bits..>>.’,
              imported from ‘Data.Bits’ at Main.hs:14:1-26,
           or ‘Main..>>.’, defined at Main.hs:114:1.
   |
98 |         if x .>>. 32 == y .>>. 32
   |              ^^^^

Main.hs:98:27: error: [GHC-87543]
    Ambiguous occurrence ‘.>>.’.
    It could refer to
       either ‘Data.Bits..>>.’,
              imported from ‘Data.Bits’ at Main.hs:14:1-26,
           or ‘Main..>>.’, defined at Main.hs:114:1.
   |
98 |         if x .>>. 32 == y .>>. 32
   |                           ^^^^

Main.hs:103:26: error: [GHC-87543]
    Ambiguous occurrence ‘.<<.’.
    It could refer to
       either ‘Data.Bits..<<.’,
              imported from ‘Data.Bits’ at Main.hs:14:1-26,
           or ‘Main..<<.’, defined at Main.hs:110:1.
    |
103 |     $ VU.imap (\i x -> x .<<. 32 .|. i) vec
    |                          ^^^^

Main.hs:133:24: error: [GHC-87543]
    Ambiguous occurrence ‘.<<.’.
    It could refer to
       either ‘Data.Bits..<<.’,
              imported fr

ソースコード

diff #
プレゼンテーションモードにする

{-# OPTIONS_GHC -mavx2 #-}
{-# OPTIONS_GHC -O3 #-}
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE DefaultSignatures #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE UndecidableInstances #-}
import Control.Monad
import Control.Monad.Cont
import Control.Monad.ST
import Control.Monad.State
import Data.Bits
import Data.Char
import Data.Coerce
import qualified Data.Foldable as F
import Data.Int
import Data.Maybe
import Data.Word
import System.IO
import Unsafe.Coerce
import qualified Data.ByteString as BS
import qualified Data.ByteString.Builder as BSB
import qualified Data.ByteString.Char8 as BSC8
import qualified Data.Vector.Fusion.Stream.Monadic as VFSM
import qualified Data.Vector.Generic as VG
import qualified Data.Vector.Unboxed as VU
import qualified Data.Vector.Unboxed.Mutable as VUM
main :: IO ()
main = do
n <- readLn :: IO Int
xs <- seqInput n
printVecInSpcSepLn $ yukisort n xs
yukisort :: Int -> VU.Vector Int -> VU.Vector Int
yukisort sz vec = VU.create $ do
xs <- VU.unsafeThaw vec
let ys = radixSortInt (VU.init vec)
rep (sz - 1) $ \i -> VUM.unsafeWrite xs i (ys VU.! i)
rep (sz - 2) $ \i -> do
item1 <- VUM.unsafeRead xs (sz - 1)
when ((ys VU.! i) > item1) $ VUM.unsafeSwap xs i (sz - 1)
return xs
radixSort64 :: VU.Vector Word64 -> VU.Vector Word64
radixSort64 vword = F.foldl' step vword [0,16,32,48]
where
mask k x = fromIntegral $ x .>>. k .&. 0xffff
step v k = VU.create $ do
pref <- VU.unsafeThaw
. VU.prescanl' (+) 0
. VU.unsafeAccumulate (+) (VU.replicate 0x10000 0)
$ VU.map ((, 1) . mask k) v
res <- VUM.unsafeNew $ VU.length v
VU.forM_ v $ \x -> do
let !masked = mask k x
i <- VUM.unsafeRead pref masked
VUM.unsafeWrite pref masked $ i + 1
VUM.unsafeWrite res i x
return res
{-# INLINE radixSort64 #-}
radixSort :: (VU.Unbox a, Word64Encode a) => VU.Vector a -> VU.Vector a
radixSort = VU.map decode64 . radixSort64 . VU.map encode64
{-# INLINE radixSort #-}
radixSortInt :: VU.Vector Int -> VU.Vector Int
radixSortInt = unsafeCoerce . radixSort64 . unsafeCoerce
radixSortNonNegative :: (VU.Unbox a, Word64Encode a) => VU.Vector a -> VU.Vector a
radixSortNonNegative = VU.map decodeNonNegative64 . radixSort64 . VU.map encodeNonNegative64
{-# INLINE radixSortNonNegative #-}
radixSort32 :: VU.Vector Word32 -> VU.Vector Word32
radixSort32 vec = F.foldl' step vec [0, 16]
where
mask k x = fromIntegral $ x .>>. k .&. 0xffff
step v k = VU.create $ do
pref <- VU.unsafeThaw
. VU.prescanl' (+) 0
. VU.unsafeAccumulate (+) (VU.replicate 0x10000 0)
$ VU.map ((, 1) . mask k) v
res <- VUM.unsafeNew $ VU.length v
VU.forM_ v $ \x -> do
let !masked = mask k x
i <- VUM.unsafeRead pref masked
VUM.unsafeWrite pref masked $ i + 1
VUM.unsafeWrite res i x
return res
{-# INLINE radixSort32 #-}
compress :: VU.Vector Int -> VU.Vector Int
compress vec = VU.create $ do
mvec <- VUM.unsafeNew (VU.length vec)
VU.mapM_ (\(i, x) -> VUM.unsafeWrite mvec (x .&. 0xffffffff) i) . VU.postscanl' (\(!i, !x) y ->
if x .>>. 32 == y .>>. 32
then (i, y)
else (i + 1, y)
) (-1, -1)
. radixSortInt
$ VU.imap (\i x -> x .<<. 32 .|. i) vec
return mvec
{-# INLINE compress #-}
infixl 8 .<<., .>>.
(.<<.) :: Bits b => b -> Int -> b
(.<<.) = unsafeShiftL
{-# INLINE (.<<.) #-}
(.>>.) :: Bits b => b -> Int -> b
(.>>.) = unsafeShiftR
{-# INLINE (.>>.) #-}
class Word64Encode a where
encode64 :: a -> Word64
decode64 :: Word64 -> a
encodeNonNegative64 :: a -> Word64
encodeNonNegative64 = encode64
decodeNonNegative64 :: Word64 -> a
decodeNonNegative64 = decode64
instance Word64Encode Int where
encode64 x = unsafeCoerce $ x + 0x3fffffffffffffff
decode64 x = unsafeCoerce x - 0x3fffffffffffffff
encodeNonNegative64 = unsafeCoerce
decodeNonNegative64 = unsafeCoerce
instance Word64Encode (Int, Int) where
encode64 (x, y) = unsafeCoerce
$ (x + 0x3fffffff) .<<. 31 .|. (y + 0x3fffffff)
decode64 xy = unsafeCoerce (x, y)
where
!x = xy .>>. 31 - 0x3fffffff
!y = (xy .&. 0x7fffffff) - 0x3fffffff
encodeNonNegative64 (x, y) = unsafeCoerce $ x .<<. 31 .|. y
decodeNonNegative64 xy = unsafeCoerce (x, y)
where
!x = xy .>>. 31
!y = xy .&. 0x7fffffff
instance Word64Encode (Int, Int, Int) where
encode64 (x, y, z) = unsafeCoerce $ ((x + 0xfffff) .<<. 21 .|. (y + 0xfffff)) .<<. 21 .|. (z + 0xfffff)
decode64 xyz = unsafeCoerce (x, y, z)
where
!x = xyz .>>. 42 - 0xfffff
!y = (xyz .>>. 21 .&. 0x1fffff) - 0xfffff
!z = xyz .&. 0x1fffff - 0xfffff
encodeNonNegative64 (x, y, z) = unsafeCoerce $ (x .<<. 21 .|. y) .<<. 21 .|. z
decodeNonNegative64 xyz = unsafeCoerce (x, y, z)
where
!x = xyz .>>. 42
!y = xyz .>>. 21 .&. 0x1fffff
!z = xyz .&. 0x1fffff
rep :: Monad m => Int -> (Int -> m ()) -> m ()
rep n = flip VFSM.mapM_ (streamG 0 (n - 1) const 0 (+) 1)
{-# INLINE rep #-}
rep' :: Monad m => Int -> (Int -> m ()) -> m ()
rep' n = flip VFSM.mapM_ (streamG 0 n const 0 (+) 1)
{-# INLINE rep' #-}
rep1 :: Monad m => Int -> (Int -> m ()) -> m ()
rep1 n = flip VFSM.mapM_ (streamG 1 (n - 1) const 0 (+) 1)
{-# INLINE rep1 #-}
rep1' :: Monad m => Int -> (Int -> m ()) -> m ()
rep1' n = flip VFSM.mapM_ (streamG 1 n const 0 (+) 1)
{-# INLINE rep1' #-}
rev :: Monad m => Int -> (Int -> m ()) -> m ()
rev n = flip VFSM.mapM_ (streamRG (n - 1) 0 const 0 (-) 1)
{-# INLINE rev #-}
rev' :: Monad m => Int -> (Int -> m ()) -> m ()
rev' n = flip VFSM.mapM_ (streamRG n 0 const 0 (-) 1)
{-# INLINE rev' #-}
rev1 :: Monad m => Int -> (Int -> m ()) -> m ()
rev1 n = flip VFSM.mapM_ (streamRG (n - 1) 1 const 0 (-) 1)
{-# INLINE rev1 #-}
rev1' :: Monad m => Int -> (Int -> m ()) -> m ()
rev1' n = flip VFSM.mapM_ (streamRG n 1 const 0 (-) 1)
{-# INLINE rev1' #-}
range :: Monad m => Int -> Int -> (Int -> m ()) -> m ()
range l r = flip VFSM.mapM_ (streamG l r const 0 (+) 1)
{-# INLINE range #-}
rangeR :: Monad m => Int -> Int -> (Int -> m ()) -> m ()
rangeR r l = flip VFSM.mapM_ (streamRG r l const 0 (-) 1)
{-# INLINE rangeR #-}
forP :: Monad m => Int -> (Int -> m ()) -> m ()
forP p = flip VFSM.mapM_ (streamG 2 p (^) 2 (+) 1)
{-# INLINE forP #-}
forG :: Monad m => Int -> Int -> (Int -> Int -> Int) -> Int -> (Int -> Int -> Int) -> Int -> (Int -> m ()) -> m ()
forG l r f p g d = flip VFSM.mapM_ (streamG l r f p g d)
{-# INLINE forG #-}
forRG :: Monad m => Int -> Int -> (Int -> Int -> Int) -> Int -> (Int -> Int -> Int) -> Int -> (Int -> m ()) -> m ()
forRG r l f p g d = flip VFSM.mapM_ (streamRG r l f p g d)
{-# INLINE forRG #-}
streamG :: Monad m => Int -> Int -> (Int -> Int -> Int) -> Int -> (Int -> Int -> Int) -> Int -> VFSM.Stream m Int
streamG !l !r !f !p !g !d = VFSM.Stream step l
where
step x
| f x p <= r = return $ VFSM.Yield x (g x d)
| otherwise = return VFSM.Done
{-# INLINE [0] step #-}
{-# INLINE [1] streamG #-}
streamRG :: Monad m => Int -> Int -> (Int -> Int -> Int) -> Int -> (Int -> Int -> Int) -> Int -> VFSM.Stream m Int
streamRG !r !l !f !p !g !d = VFSM.Stream step r
where
step x
| f x p >= l = return $ VFSM.Yield x (g x d)
| otherwise = return VFSM.Done
{-# INLINE [0] step #-}
{-# INLINE [1] streamRG #-}
withBreakIO :: ((r -> ContT r IO b) -> ContT r IO r) -> IO r
withBreakIO = flip runContT pure . callCC
{-# INLINE withBreakIO #-}
withBreakST :: ((r -> ContT r (ST s) b) -> ContT r (ST s) r) -> (ST s) r
withBreakST = flip runContT pure . callCC
{-# INLINE withBreakST #-}
type CParser a = StateT BSC8.ByteString Maybe a
runCParser :: CParser a -> BSC8.ByteString -> Maybe (a, BSC8.ByteString)
runCParser = runStateT
{-# INLINE runCParser #-}
int :: CParser Int
int = coerce $ BSC8.readInt . BSC8.dropWhile isSpace
{-# INLINE int #-}
int1 :: CParser Int
int1 = fmap (subtract 1) int
{-# INLINE int1 #-}
char :: CParser Char
char = coerce BSC8.uncons
{-# INLINE char #-}
byte :: CParser Word8
byte = coerce BS.uncons
{-# INLINE byte #-}
skipSpaces :: CParser ()
skipSpaces = modify' (BSC8.dropWhile isSpace)
{-# INLINE skipSpaces #-}
seqInput :: Int -> IO (VU.Vector Int)
seqInput n = VU.unfoldrN n (runCParser int) <$> BSC8.getLine
{-# INLINE seqInput #-}
parseN1 :: Int -> IO (VU.Vector Int)
parseN1 n = VU.unfoldrN n (runCParser int) <$> BSC8.getContents
{-# INLINE parseN1 #-}
parseN2 :: Int -> IO (VU.Vector (Int, Int))
parseN2 n = VU.unfoldrN n (runCParser $ (,) <$> int <*> int) <$> BSC8.getContents
{-# INLINE parseN2 #-}
parseN3 :: Int -> IO (VU.Vector (Int, Int, Int))
parseN3 n = VU.unfoldrN n (runCParser $ (,,) <$> int <*> int <*> int) <$> BSC8.getContents
{-# INLINE parseN3 #-}
parseN4 :: Int -> IO (VU.Vector (Int, Int, Int, Int))
parseN4 n = VU.unfoldrN n (runCParser $ (,,,) <$> int <*> int <*> int <*> int) <$> BSC8.getContents
{-# INLINE parseN4 #-}
parseN5 :: Int -> IO (VU.Vector (Int, Int, Int, Int, Int))
parseN5 n = VU.unfoldrN n (runCParser $ (,,,,) <$> int <*> int <*> int <*> int <*> int) <$> BSC8.getContents
{-# INLINE parseN5 #-}
parseANBN :: Int -> IO (VU.Vector Int, VU.Vector Int)
parseANBN n = VU.unzip . VU.unfoldrN n (runCParser $ (,) <$> int <*> int) <$> BSC8.getContents
{-# INLINE parseANBN #-}
parseANBNCN :: Int -> IO (VU.Vector Int, VU.Vector Int, VU.Vector Int)
parseANBNCN n = VU.unzip3 . VU.unfoldrN n (runCParser $ (,,) <$> int <*> int <*> int) <$> BSC8.getContents
{-# INLINE parseANBNCN #-}
type Query3 = (Int, Int, Int)
query3Parser :: CParser Query3
query3Parser = do
skipSpaces
t <- char
case t of
'0' -> (,,) 0 <$> int <*> int
_ -> (,,) 1 <$> int <*> pure 0
parseQ3 :: Int -> IO (VU.Vector Query3)
parseQ3 n = VU.unfoldrN n (runCParser query3Parser) <$> BSC8.getContents
{-# INLINE parseQ3 #-}
type Query5 = (Int, Int, Int, Int, Int)
query5Parser :: CParser Query5
query5Parser = do
skipSpaces
t <- char
case t of
'0' -> (,,,,) 0 <$> int <*> int <*> int <*> int
_ -> (,,,,) 1 <$> int <*> int <*> pure 0 <*> pure 0
parseQ5 :: Int -> IO (VU.Vector Query5)
parseQ5 n = VU.unfoldrN n (runCParser query5Parser) <$> BSC8.getContents
{-# INLINE parseQ5 #-}
readInt :: BSC8.ByteString -> Int
readInt = fst . fromJust . BSC8.readInt
{-# INLINE readInt #-}
getInt :: IO Int
getInt = readInt <$> BSC8.getLine
{-# INLINE getInt #-}
readIntList :: BSC8.ByteString -> [Int]
readIntList = map readInt . BSC8.words
{-# INLINE readIntList #-}
getIntList :: IO [Int]
getIntList = readIntList <$> BSC8.getLine
{-# INLINE getIntList #-}
readInteger :: BSC8.ByteString -> Integer
readInteger = fst . fromJust . BSC8.readInteger
{-# INLINE readInteger #-}
getInteger :: IO Integer
getInteger = readInteger <$> BSC8.getLine
{-# INLINE getInteger #-}
readIntegerList :: BSC8.ByteString -> [Integer]
readIntegerList = map readInteger . BSC8.words
{-# INLINE readIntegerList #-}
getIntegerList :: IO [Integer]
getIntegerList = readIntegerList <$> BSC8.getLine
{-# INLINE getIntegerList #-}
class ShowAsBuilder a where
showAsBuilder :: a -> BSB.Builder
default showAsBuilder :: (Show a) => a -> BSB.Builder
showAsBuilder = BSB.string8 . show
instance ShowAsBuilder Int where
showAsBuilder = BSB.intDec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Int8 where
showAsBuilder = BSB.int8Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Int16 where
showAsBuilder = BSB.int16Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Int32 where
showAsBuilder = BSB.int32Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Int64 where
showAsBuilder = BSB.int64Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Word8 where
showAsBuilder = BSB.word8Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Word16 where
showAsBuilder = BSB.word16Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Word32 where
showAsBuilder = BSB.word32Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Word64 where
showAsBuilder = BSB.word64Dec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Integer where
showAsBuilder = BSB.integerDec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Float where
showAsBuilder = BSB.floatDec
{-# INLINE showAsBuilder #-}
instance ShowAsBuilder Double where
showAsBuilder = BSB.doubleDec
{-# INLINE showAsBuilder #-}
instance (ShowAsBuilder a, VG.Vector v a) => ShowAsBuilder (v a) where
showAsBuilder = v2BSpcSep
putBuilder :: BSB.Builder -> IO ()
putBuilder = BSB.hPutBuilder stdout
{-# INLINE putBuilder #-}
printVecInLines :: (VG.Vector v a, ShowAsBuilder a) => v a -> IO ()
printVecInLines = putBuilder . v2BLines
{-# INLINE printVecInLines #-}
printVecInSpcSepLn :: (VG.Vector v a, ShowAsBuilder a) => v a -> IO ()
printVecInSpcSepLn = putBuilder . v2BSpcSepLn
{-# INLINE printVecInSpcSepLn #-}
v2BSpcSepLn :: (VG.Vector v a, ShowAsBuilder a) => v a -> BSB.Builder
v2BSpcSepLn = v2BSpcSepLnWith showAsBuilder
{-# INLINE v2BSpcSepLn #-}
v2BSpcSep :: (VG.Vector v a, ShowAsBuilder a) => v a -> BSB.Builder
v2BSpcSep = v2BSpcSepWith showAsBuilder
{-# INLINE v2BSpcSep #-}
v2BConcat:: (VG.Vector v a, ShowAsBuilder a) => v a -> BSB.Builder
v2BConcat = v2BConcatWith showAsBuilder
{-# INLINE v2BConcat #-}
v2BLines:: (VG.Vector v a, ShowAsBuilder a) => v a -> BSB.Builder
v2BLines = v2BLinesWith showAsBuilder
{-# INLINE v2BLines #-}
v2BSpcSepLnWith :: VG.Vector v a => (a -> BSB.Builder) -> v a -> BSB.Builder
v2BSpcSepLnWith = v2BSpcSepPostfWith "\n"
{-# INLINE v2BSpcSepLnWith #-}
v2BSpcSepWith :: VG.Vector v a => (a -> BSB.Builder) -> v a -> BSB.Builder
v2BSpcSepWith = v2BSpcSepPostfWith ""
{-# INLINE v2BSpcSepWith #-}
v2BConcatWith :: VG.Vector v a => (a -> BSB.Builder) -> v a -> BSB.Builder
v2BConcatWith showFct = VG.foldr ((<>) . showFct) mempty
{-# INLINE v2BConcatWith #-}
v2BLinesWith :: VG.Vector v a => (a -> BSB.Builder) -> v a -> BSB.Builder
v2BLinesWith showFct = VG.foldr (\a -> (showFct a <>) . (BSB.char7 '\n' <>)) mempty
{-# INLINE v2BLinesWith #-}
v2BSpcSepPostf :: (VG.Vector v a, ShowAsBuilder a) => BS.ByteString -> v a -> BSB.Builder
v2BSpcSepPostf = (`v2BSpcSepPostfWith` showAsBuilder)
{-# INLINE v2BSpcSepPostf #-}
v2BSpcSepPostfWith :: VG.Vector v a => BS.ByteString -> (a -> BSB.Builder) -> v a -> BSB.Builder
v2BSpcSepPostfWith = vecToBuilder "" " "
{-# INLINE v2BSpcSepPostfWith #-}
vecToBuilder :: VG.Vector v a => BS.ByteString -> BS.ByteString -> BS.ByteString -> (a -> BSB.Builder) -> v a -> BSB.Builder
vecToBuilder !prefix !separator !postfix = vecToBuilder_ (BSB.byteString prefix) (BSB.byteString separator) (BSB.byteString postfix)
{-# INLINE vecToBuilder #-}
vecToBuilder_ :: VG.Vector v a => BSB.Builder -> BSB.Builder -> BSB.Builder -> (a -> BSB.Builder) -> v a -> BSB.Builder
vecToBuilder_ !prefix !separator !postfix showFct vec = prefix <> VG.foldr (\a rest !prefx -> prefx <> (showFct a <> rest separator)) (const postfix)
    vec mempty
{-# INLINE vecToBuilder_ #-}
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