結果

問題 No.457 (^^*)
ユーザー momen999
提出日時 2017-05-13 19:20:29
言語 Haskell
(9.10.1)
結果
TLE  
実行時間 -
コード長 954 bytes
コンパイル時間 5,146 ms
コンパイル使用メモリ 168,448 KB
実行使用メモリ 15,648 KB
最終ジャッジ日時 2024-09-15 12:18:04
合計ジャッジ時間 8,639 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge6
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ファイルパターン 結果
other AC * 12 TLE * 1 -- * 7
権限があれば一括ダウンロードができます
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:12:68: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Prelude, 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."
   |
12 |             | star == ""                            = iter (hat ++ tail ws)
   |                                                                    ^^^^

Main.hs:13:68: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Prelude, 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."
   |
13 |             | (length . filter (== '^')) hat < 2    = iter (hat ++ tail star ++ ws)
   |                                                                    ^^^^
[2 of 2] Linking a.out

ソースコード

diff # 

breakLastRParenthesis xs = reverse $ snd $ break (== ')') $ reverse xs
breakHeadLParenthesis xs = snd $ break (== '(') xs

solve xs = [show (hidarimuki xs), show (migimuki xs)]

hidarimuki :: String -> Int
hidarimuki [] = 0
hidarimuki (x:xs) = iter xs + hidarimuki (breakHeadLParenthesis xs)
    where
        iter cs
            | ws == ""                              = 0
            | star == ""                            = iter (hat ++ tail ws)
            | (length . filter (== '^')) hat < 2    = iter (hat ++ tail star ++ ws)
            | otherwise                             = (length . filter (== ')')) ws
            where
                (w, ws) = break (== ')') cs
                (hat, star) = break (== '*') w

migimuki :: String -> Int
migimuki xs = hidarimuki $ reverse $ map (\x -> if x == ')' then '(' else if x == '(' then ')' else x) xs

main = getLine >>= putStrLn . unwords . solve . breakLastRParenthesis . breakHeadLParenthesis
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