結果
問題 |
No.406 鴨等間隔の法則
|
ユーザー |
|
提出日時 | 2019-03-11 23:09:11 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 439 ms / 2,000 ms |
コード長 | 281 bytes |
コンパイル時間 | 8,197 ms |
コンパイル使用メモリ | 176,352 KB |
実行使用メモリ | 44,800 KB |
最終ジャッジ日時 | 2024-07-07 12:37:32 |
合計ジャッジ時間 | 14,110 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 * 29 |
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:5:15: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Data.List, 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." | 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.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." | 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