結果
| 問題 |
No.586 ダブルブッキング
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-11-11 03:34:13 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 338 bytes |
| コンパイル時間 | 1,920 ms |
| コンパイル使用メモリ | 177,624 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-11-24 17:15:16 |
| 合計ジャッジ時間 | 2,502 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 |
|---|---|
| sample | AC * 3 |
| other | AC * 5 |
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:4:155: 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 | main = interact $ show . foldl1 (*) . map sum . zipWith ($) [take 2, concat . map (foldl1 (((return . ((0:0:repeat 1) !!) . length) .) . filter . ((==) . head)) . replicate 2) . takeWhile (not . null) . flip (scanl (const . tail)) [0 ..] . drop 3] . repeat . map read . lines
| ^^^^
Main.hs:4:225: 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 | main = interact $ show . foldl1 (*) . map sum . zipWith ($) [take 2, concat . map (foldl1 (((return . ((0:0:repeat 1) !!) . length) .) . filter . ((==) . head)) . replicate 2) . takeWhile (not . null) . flip (scanl (const . tail)) [0 ..] . drop 3] . repeat . map read . lines
| ^^^^
[2 of 2] Linking a.out
ソースコード
-- yukicoder My Practice -- author: Leonardone @ NEETSDKASU main = interact $ show . foldl1 (*) . map sum . zipWith ($) [take 2, concat . map (foldl1 (((return . ((0:0:repeat 1) !!) . length) .) . filter . ((==) . head)) . replicate 2) . takeWhile (not . null) . flip (scanl (const . tail)) [0 ..] . drop 3] . repeat . map read . lines