結果
| 問題 |
No.490 yukiソート
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-03-11 00:51:39 |
| 言語 | Haskell (9.10.1) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 609 bytes |
| コンパイル時間 | 8,316 ms |
| コンパイル使用メモリ | 172,288 KB |
| 実行使用メモリ | 8,320 KB |
| 最終ジャッジ日時 | 2024-06-24 10:38:35 |
| 合計ジャッジ時間 | 3,145 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 13 WA * 21 |
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:20:10: 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."
|
20 | ap = head xs3
| ^^^^
Main.hs:21:10: 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."
|
21 | aq = head xs1
| ^^^^
Main.hs:24:25: 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."
|
24 | bs = xs4 ++ [bp] ++ tail xs3 ++ [bq] ++ tail xs1
| ^^^^
Main.hs:24:45: 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."
|
24 | bs = xs4 ++ [bp] ++ tail xs3 ++ [bq] ++ tail xs1
| ^^^^
[2 of 2] Linking a.out
ソースコード
-- yukicoder My practice
-- author: Leonardone @ NEETSDKASU
import Data.List (sort)
main = getContents >>= putStrLn . unwords . map show . solve . map read . words
solve (n:xs) = sort xs :: [Int] -- baz n xs
baz n xs = foldl (bar n) xs [1 .. 2 * n - 4]
bar n xs i = foldl (\xs k -> foo k (i - k) xs) xs
$ [k | k <- [0 .. i], k < i - k, k < n, i - k < n]
foo p q as = bs where
xs1 = drop q as
xs2 = take q as
xs3 = drop p xs2
xs4 = take p xs2
ap = head xs3
aq = head xs1
bp = min ap aq
bq = max ap aq
bs = xs4 ++ [bp] ++ tail xs3 ++ [bq] ++ tail xs1