結果
問題 | No.675 ドットちゃんたち |
ユーザー | torus711 |
提出日時 | 2019-06-22 17:32:03 |
言語 | Haskell (9.8.2) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,262 bytes |
コンパイル時間 | 7,484 ms |
コンパイル使用メモリ | 181,140 KB |
実行使用メモリ | 78,080 KB |
最終ジャッジ日時 | 2024-06-07 22:55:41 |
合計ジャッジ時間 | 7,800 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 211 ms
57,088 KB |
testcase_06 | AC | 344 ms
72,448 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
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:33:1: warning: [GHC-94817] [-Wtabs] Tab character found here, and in 7 further locations. Suggested fix: Please use spaces instead. | 33 | [ n, px, py ] :: [Integer] <- map fromIntegral <$> readInts | ^^^^^^^^ Main.hs:35:93: warning: [GHC-63394] [-Wx-partial] In the use of ‘tail’ (imported from Data.List, but defined in GHC.List): "This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty." | 35 | mapM_ ( uncurry $ printf "%d %d\n" ) $ map ( \( a, b, _ ) -> ( a, b ) ) $ reverse $ tail $ scanl compose ( px, py, 0 ) commands | ^^^^ [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE NumDecimals #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TupleSections #-} import Control.Applicative import Control.Arrow import Control.Monad import Control.Monad.ST import Data.Char import Data.List import Data.Maybe import qualified Data.ByteString.Char8 as B import Data.Array.ST.Safe import Data.STRef import Debug.Trace import Text.Printf readInt = readLn :: IO Int readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine readNInts = readInt >>= flip replicateM readInt which a b f = if f then a else b mp [ a, b ] = ( a, b ) main = do [ n, px, py ] :: [Integer] <- map fromIntegral <$> readInts commands <- reverse . map decode <$> replicateM ( fromIntegral n ) ( map fromIntegral <$> readInts ) mapM_ ( uncurry $ printf "%d %d\n" ) $ map ( \( a, b, _ ) -> ( a, b ) ) $ reverse $ tail $ scanl compose ( px, py, 0 ) commands decode [ 1, dx ] = ( dx, 0, 0 ) decode [ 2, dy ] = ( 0, dy, 0 ) decode [ 3 ] = ( 0, 0, 1 ) compose ( x, y, d ) ( _, _, 1 ) = ( y, -x, ( succ d ) `mod` 4 ) compose ( x1, y1, d ) ( x2, y2, 0 ) = ( x1 + dx, y1 + dy, d ) where dx = [ x2, y2, -x2, -y2 ] !! d dy = [ y2, -x2, -y2, x2 ] !! d