結果
| 問題 | No.406 鴨等間隔の法則 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-03-11 23:09:11 |
| 言語 | Haskell (9.14.1) |
| 結果 |
AC
|
| 実行時間 | 292 ms / 2,000 ms |
| コード長 | 281 bytes |
| 記録 | |
| コンパイル時間 | 10,807 ms |
| コンパイル使用メモリ | 197,888 KB |
| 実行使用メモリ | 45,824 KB |
| 最終ジャッジ日時 | 2026-03-29 03:02:56 |
| 合計ジャッジ時間 | 14,713 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge2_1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 29 |
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:5:15: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Data.List, 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 | | all (== head xs') xs' = "YES"
| ^^^^
Main.hs:8:28: warning: [GHC-63394] [-Wx-partial]
In the use of ‘tail’
(imported from Data.List, but defined in GHC.Internal.List):
"This is a partial function, it throws an error on empty lists. Replace it with 'drop' 1, or use pattern matching or 'GHC.Internal.Data.List.uncons' instead. Consider refactoring to use "Data.List.NonEmpty"."
|
8 | xs' = zipWith (-) (tail xs) (init xs)
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Data.List
solve xs
| any (== 0) xs' = "NO"
| all (== head xs') xs' = "YES"
| otherwise = "NO"
where
xs' = zipWith (-) (tail xs) (init xs)
main = do
getLine
xs <- sort . map read . words <$> getLine
putStrLn $ solve xs