結果
問題 | No.3069 Invisible Speedrun |
ユーザー |
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提出日時 | 2025-03-21 22:02:47 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 95 ms / 2,000 ms |
コード長 | 1,376 bytes |
コンパイル時間 | 11,144 ms |
コンパイル使用メモリ | 205,772 KB |
実行使用メモリ | 27,128 KB |
平均クエリ数 | 585.15 |
最終ジャッジ日時 | 2025-03-21 22:03:07 |
合計ジャッジ時間 | 18,898 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 80 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.10.1/environments/default [1 of 2] Compiling Main ( Main.hs, Main.o ) Main.hs:39:11: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Data.List, but defined in GHC.Internal.List): "This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"." | 39 | readStr = head <$> readStrs | ^^^^ [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE NumDecimals #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TupleSections #-} {-# LANGUAGE FlexibleContexts #-} {-# OPTIONS_GHC -O2 #-} {-# OPTIONS_GHC -Wno-tabs #-} import Control.Applicative import Control.Arrow import Control.Monad import Control.Monad.ST import Data.Char import Data.List import Data.Maybe import Data.Either import Data.Bool import qualified Data.ByteString.Char8 as B import Data.Array import Data.Array.ST.Safe import Data.STRef import Debug.Trace import Text.Printf import System.IO import System.Exit readInt = fst . fromJust . B.readInt <$> B.getLine readInteger = fst . fromJust . B.readInteger <$> B.getLine readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine readIntegers = map ( fst . fromJust . B.readInteger ) . B.words <$> B.getLine readStr = head <$> readStrs readStrs = map B.unpack . B.words <$> B.getLine yesno = bool "No" "Yes" mp [ a, b ] = ( a, b ) modifyArray a i f = writeArray a i =<< f <$> readArray a i printList :: Show a => [a] -> IO () printList = putStrLn . intercalate " " . map show main = do n <- readInt forM_ ( take ( 2 * n ) $ cycle "RD" ) $ \c -> do putChar c putChar '\n' hFlush stdout v <- readInt when ( v == 1 ) $ exitSuccess when ( v == -1 ) $ exitFailure