結果
| 問題 | No.365 ジェンガソート | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2017-08-01 08:10:13 | 
| 言語 | Haskell (9.10.1) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 377 ms / 2,000 ms | 
| コード長 | 252 bytes | 
| コンパイル時間 | 9,136 ms | 
| コンパイル使用メモリ | 175,616 KB | 
| 実行使用メモリ | 82,944 KB | 
| 最終ジャッジ日時 | 2024-10-11 05:45:04 | 
| 合計ジャッジ時間 | 14,348 ms | 
| ジャッジサーバーID (参考情報) | judge2 / judge3 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 41 | 
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:4:7: 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."
  |
4 |     | head xs == n  = jenga (n - 1) (tail xs)
  |       ^^^^
Main.hs:4:38: 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 |     | head xs == n  = jenga (n - 1) (tail xs)
  |                                      ^^^^
Main.hs:5:32: 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."
  |
5 |     | otherwise     = jenga n (tail xs)
  |                                ^^^^
[2 of 2] Linking a.out
            
            ソースコード
jenga :: Int -> [Int] -> Int
jenga n xs
    | null xs       = n
    | head xs == n  = jenga (n - 1) (tail xs)
    | otherwise     = jenga n (tail xs)
    
main = do
    n <- readLn
    xs <- map read . words <$> getLine
    print $ jenga n (reverse xs)
            
            
            
        