結果
| 問題 | No.729 文字swap |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-12-26 01:23:32 |
| 言語 | Haskell (9.14.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 574 bytes |
| 記録 | |
| コンパイル時間 | 7,731 ms |
| コンパイル使用メモリ | 197,388 KB |
| 実行使用メモリ | 7,972 KB |
| 最終ジャッジ日時 | 2026-04-17 16:27:33 |
| 合計ジャッジ時間 | 8,545 ms |
|
ジャッジサーバーID (参考情報) |
judge1_0 / judge3_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 11 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.14.1/environments/default
[1 of 2] Compiling Main ( Main.hs, Main.o )
Main.hs:5:74: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Prelude, but defined in GHC.Internal.List):
"This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
|
5 | main = interact $ concat . concat . zipWith ($) [foldl1 ((return .) . (. head) . take . minimum . map read), foldl1 ((return .) . ((concat . zipWith ($) [return . head, tail . reverse . tail, return . last] . repeat) .) . (reverse .) . (. head) . drop . read . head) . zipWith ($) [return . show . (+0) . minimum . map read . head, foldl1 ((return .) . (. head) . take . (+1) . maximum . map read)] . repeat, foldl1 ((return .) . (. head) . drop . (+1) . maximum . map read)] . repeat . reverse . map words . lines
| ^^^^
Main.hs:5:164: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Prelude, but defined in GHC.Internal.List):
"This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
|
5 | main = interact $ concat . concat . zipWith ($) [foldl1 ((return .) . (. head) . take . minimum . map read), foldl1 ((return .) . ((concat . zipWith ($) [return . head, tail . reverse . tail, return . last] . repeat) .) . (reverse .) . (. head) . drop . read . head) . zipWith ($) [return . show . (+0) . minimum . map read . head, foldl1 ((return .) . (. head) . take . (+1) . maximum . map read)] . repeat, foldl1 ((return .) . (. head) . drop . (+1) . maximum . map read)] . repeat . reverse . map words . lines
|
ソースコード
-- Practice yukicoder -- author: Leonardone @ NEETSDKASU main = interact $ concat . concat . zipWith ($) [foldl1 ((return .) . (. head) . take . minimum . map read), foldl1 ((return .) . ((concat . zipWith ($) [return . head, tail . reverse . tail, return . last] . repeat) .) . (reverse .) . (. head) . drop . read . head) . zipWith ($) [return . show . (+0) . minimum . map read . head, foldl1 ((return .) . (. head) . take . (+1) . maximum . map read)] . repeat, foldl1 ((return .) . (. head) . drop . (+1) . maximum . map read)] . repeat . reverse . map words . lines