結果
| 問題 | 
                            No.1032 数数え
                             | 
                    
| ユーザー | 
                             | 
                    
| 提出日時 | 2020-11-20 23:50:21 | 
| 言語 | Haskell  (9.10.1)  | 
                    
| 結果 | 
                             
                                WA
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 1,122 bytes | 
| コンパイル時間 | 7,618 ms | 
| コンパイル使用メモリ | 228,312 KB | 
| 実行使用メモリ | 12,800 KB | 
| 最終ジャッジ日時 | 2024-07-23 14:01:40 | 
| 合計ジャッジ時間 | 8,491 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge4 / judge2 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | WA * 3 | 
| other | AC * 2 WA * 8 | 
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 ) [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TupleSections     #-}
import           Control.Monad.State
import           Data.Char
import           Data.Coerce
import           System.IO
import qualified Data.ByteString.Builder as BSB
import qualified Data.ByteString.Char8   as BSC8
import qualified Data.Vector.Unboxed     as VU
main :: IO ()
main = do
  [n, m] <- map (read :: String -> Int) . words <$> getLine
  ls <- seqInput n
  let xs = VU.tail . VU.indexed . VU.unsafeAccumulate (+) (VU.replicate (m + 1) 0) . VU.map (, 1 :: Int) $ ls
  VU.forM_ xs $ \(a, b) -> putBuilder $ BSB.intDec a <> BSB.byteString " " <> BSB.intDec b
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 #-}
seqInput :: Int -> IO (VU.Vector Int)
seqInput n = VU.unfoldrN n (runCParser int) <$> BSC8.getLine
{-# INLINE seqInput #-}
putBuilder :: BSB.Builder -> IO ()
putBuilder = BSB.hPutBuilder stdout
{-# INLINE putBuilder #-}