結果
| 問題 | No.292 芸名 | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2017-05-25 18:34:25 | 
| 言語 | Haskell (9.10.1) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 2 ms / 2,000 ms | 
| コード長 | 486 bytes | 
| コンパイル時間 | 1,688 ms | 
| コンパイル使用メモリ | 176,768 KB | 
| 実行使用メモリ | 5,376 KB | 
| 最終ジャッジ日時 | 2024-09-19 19:15:01 | 
| 合計ジャッジ時間 | 2,175 ms | 
| ジャッジサーバーID (参考情報) | judge5 / judge4 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 10 | 
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:11:26: 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."
   |
11 |                     s2 = tail $ drop x ss
   |                          ^^^^
Main.hs:13:26: 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 |                     s4 = tail $ drop z s2
   |                          ^^^^
[2 of 2] Linking a.out
            
            ソースコード
rInt :: String -> Int
rInt = read
xys x y = if x < y then [x, y] else [y, x]
solve ss x y    | x == y    = s1 ++ s2
                | otherwise = s1 ++ s3 ++ s4
                where
                    z = y - x - 1
                    s1 = take x ss
                    s2 = tail $ drop x ss
                    s3 = take z s2
                    s4 = tail $ drop z s2
main = do
    [ss, t, u] <- words <$> getLine
    let [x, y] = xys (rInt t) (rInt u)
    putStrLn $ solve ss x y
            
            
            
        