結果
問題 | No.22 括弧の対応 |
ユーザー | ducktail |
提出日時 | 2018-01-17 21:28:24 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 464 bytes |
コンパイル時間 | 4,181 ms |
コンパイル使用メモリ | 173,696 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-20 07:28:50 |
合計ジャッジ時間 | 4,916 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 1 ms
5,376 KB |
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:11:29: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Prelude, but defined in GHC.List): "This is a partial function, it throws an error on empty lists. Use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty." | 11 | else if head st == k then i | ^^^^ Main.hs:12:46: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Prelude, but defined in GHC.List): "This is a partial function, it throws an error on empty lists. Use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty." | 12 | else if i == k then head st | ^^^^ Main.hs:13:47: 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 | else f (i + 1) (tail st) cs | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative ((<$>), (<*>)) main :: IO () main = do solve <$> getl (map read . words) <*> getLine >>= print solve :: [Int] -> String -> Int solve [n, k] s = f 1 [] s where f i st (c:cs) = if c == '(' then f (i + 1) (i : st) cs else if head st == k then i else if i == k then head st else f (i + 1) (tail st) cs getl :: (String -> a) -> IO a getl f = f <$> getLine