結果

問題 No.536 人工知能
ユーザー 情報学生
提出日時 2019-08-17 11:41:16
言語 Haskell
(9.10.1)
結果
AC  
実行時間 2 ms / 1,000 ms
コード長 192 bytes
コンパイル時間 5,019 ms
コンパイル使用メモリ 171,776 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-09-24 19:07:00
合計ジャッジ時間 4,625 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 11
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:4:53: 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."
  |
4 | solve s | "ia" == take 2 s = (++ "AI")  reverse reverse  tail . tail $ s
  |                                                     ^^^^

Main.hs:4:60: 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."
  |
4 | solve s | "ia" == take 2 s = (++ "AI")  $ reverse tail.tail tail . tail  s
  |                                                            ^^^^
[2 of 2] Linking a.out

ソースコード

diff #
プレゼンテーションモードにする

main = putStrLn . solve . reverse =<< getLine
solve :: String -> String
solve s | "ia" == take 2 s = (++ "AI")  $ reverse $ tail . tail $ s
        | otherwise        = (++ "-AI") $ reverse s
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