{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE DefaultSignatures #-} {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE MagicHash #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE TypeApplications #-} {-# LANGUAGE UndecidableInstances #-} {- https://www.pcg-random.org/ -} import Control.Monad import Control.Monad.Cont import Control.Monad.Fix import Control.Monad.ST import Control.Monad.State import Data.Bits import Data.Bool import Data.Char import Data.Coerce import Data.IORef import Data.Int import Data.Maybe import Data.Word import GHC.Exts import System.CPUTime import System.IO import Unsafe.Coerce import qualified GHC.Integer.GMP.Internals as GMP 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 <- parseN1 n rep n $ \i -> do let x = xs VU.! i mr <- millerRabin x putBuilder $ BSB.intDec x <> bool " 0\n" " 1\n" mr millerRabin :: Int -> IO Bool millerRabin k | k <= 3 = return $ k == 2 || k == 3 | k .&. 1 == 0 = return False | otherwise = do rng <- newRNG flip fix 4 $ \loop !i -> do a <- randomR rng 1 (k - 1) allok <- check a if (powModInt a d k /= 1) && allok then return False else if i < 0 then return True else loop (i - 1) where !m = k - 1 !s = ctz m !d = m .>>. s check :: Int -> IO Bool check aa = do retRef <- newIORef True withBreakIO $ \break -> rep s $ \r -> when (powModInt aa ((1 .<<. r) * d) k == m) $ do liftIO $ writeIORef retRef False break () readIORef retRef seed :: Word64 seed = 0x4d595df4d0f33173 {-# INLINE seed #-} multiplier :: Word64 multiplier = 0x5851f42d4c957f2d {-# INLINE multiplier #-} increment :: Word64 increment = 0x14057b7ef767814f {-# INLINE increment #-} type RNG = VUM.IOVector Word64 newRNG :: IO RNG newRNG = do t <- fromInteger <$> getCPUTime VUM.replicate 1 (seed + t) nextWord32 :: RNG -> IO Word32 nextWord32 rng = do x1 <- VUM.unsafeRead rng 0 let cnt = x1 .>>. 59 state = x1 * multiplier + increment x2 = x1 .^. (x1 .>>. 18) VUM.unsafeWrite rng 0 state return $ unsafeCoerce (x2 .>>. 27) .>>@. unsafeCoerce @Word64 @Int cnt nextWord :: RNG -> IO Word nextWord rng = do w1 <- unsafeCoerce @Word32 @Word <$> nextWord32 rng w2 <- unsafeCoerce @Word32 @Word <$> nextWord32 rng return $ w1 .<<.32 .|. w2 nextInt :: RNG -> IO Int nextInt = unsafeCoerce <$> nextWord nextDouble :: RNG -> IO Double nextDouble rng = do t <- nextWord rng let x = 0x3ff .<<. 52 .|. t .>>. 12 return $! unsafeCoerce @Word @Double x - 1.0 nextGauss :: RNG -> Double -> Double -> IO Double nextGauss rng mu sigma = do x <- nextDouble rng y <- nextDouble rng let z = sqrt (-2.0 * log x) * cos (2.0 * pi * y) return $! sigma * z + mu randomR :: RNG -> Int -> Int -> IO Int randomR rng l r = (+ l) . flip mod (r - l + 1) <$> nextInt rng shuffleM :: VUM.Unbox a => RNG -> VUM.IOVector a -> IO () shuffleM rng mvec = do rev (VUM.length mvec) $ \i -> do j <- nextWord rng VUM.unsafeSwap mvec i (unsafeCoerce $ rem j (unsafeCoerce i + 1)) shuffle :: VU.Unbox a => RNG -> VU.Vector a -> IO (VU.Vector a) shuffle rng vec = do mv <- VU.unsafeThaw vec shuffleM rng mv VU.unsafeFreeze mv powModInt :: Int -> Int -> Int -> Int powModInt a n mo = fI $ GMP.powModInteger (fi a) (fi n) (fi mo) {-# INLINE powModInt #-} recipModInt :: Int -> Int -> Int recipModInt a mo = fI $ GMP.recipModInteger (fi a) (fi mo) {-# INLINE recipModInt #-} fi :: Int -> Integer fi = fromIntegral {-# INLINE fi #-} fI :: Integer -> Int fI = fromInteger {-# INLINE fI #-} clz :: FiniteBits fb => fb -> Int clz = countLeadingZeros {-# INLINE clz #-} ctz :: FiniteBits fb => fb -> Int ctz = countTrailingZeros {-# INLINE ctz #-} encode32x2 :: Int -> Int -> Int encode32x2 x y = x .<<. 32 .|. y {-# INLINE encode32x2 #-} decode32x2 :: Int -> (Int, Int) decode32x2 xy = let !x = xy .>>>. 32 !y = xy .&. 0xffffffff in (x, y) {-# INLINE decode32x2 #-} ceilPow2 :: Int -> Int ceilPow2 n | n > 1 = (-1) .>>>. clz (n - 1) + 1 | otherwise = 1 {-# INLINE ceilPow2 #-} floorPow2 :: Int -> Int floorPow2 n | n >= 1 = 1 .<<. (63 - clz n) | otherwise = 0 {-# INLINE floorPow2 #-} bitReverse :: Int -> Int bitReverse = unsafeCoerce . step 32 0xffffffff00000000 0x00000000ffffffff . step 16 0xffff0000ffff0000 0x0000ffff0000ffff . step 08 0xff00ff00ff00ff00 0x00ff00ff00ff00ff . step 04 0xf0f0f0f0f0f0f0f0 0x0f0f0f0f0f0f0f0f . step 02 0xcccccccccccccccc 0x3333333333333333 . step 01 0xaaaaaaaaaaaaaaaa 0x5555555555555555 . unsafeCoerce where step :: Int -> Word64 -> Word64 -> Word64 -> Word64 step i ml mr = \ !x -> (x .&. ml) .>>. i .|. (x .&. mr) .<<. i {-# INLINE step #-} infixr 8 .>>@. infixl 8 .<<., .>>., .>>>. infixl 6 .^. (.<<.) :: Bits b => b -> Int -> b (.<<.) = unsafeShiftL {-# INLINE (.<<.) #-} (.>>.) :: Bits b => b -> Int -> b (.>>.) = unsafeShiftR {-# INLINE (.>>.) #-} (.>>>.) :: Int -> Int -> Int (.>>>.) (I# x#) (I# i#) = I# (uncheckedIShiftRL# x# i#) {-# INLINE (.>>>.) #-} (.^.) :: Bits b => b -> b -> b (.^.) = xor {-# INLINE (.^.) #-} (.>>@.) :: Word32 -> Int -> Word32 x .>>@. k = x .>>. k .|. x .<<. ((-k) .&. 31) {-# INLINE (.>>@.) #-} 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_ #-}