結果
問題 |
No.365 ジェンガソート
|
ユーザー |
![]() |
提出日時 | 2016-05-16 22:14:07 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 16 ms / 2,000 ms |
コード長 | 424 bytes |
コンパイル時間 | 2,368 ms |
コンパイル使用メモリ | 182,104 KB |
実行使用メモリ | 9,856 KB |
最終ジャッジ日時 | 2024-10-12 02:19:22 |
合計ジャッジ時間 | 4,146 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 |
---|---|
other | AC * 41 |
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:14:26: 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." | 14 | print . minNumOfOps (head d) $ tail d | ^^^^ Main.hs:14:36: 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." | 14 | print . minNumOfOps (head d) $ tail d | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative ((<$>)) import qualified Data.ByteString.Lazy.Char8 as LC import Data.Maybe (fromJust) unsafeReadInt :: LC.ByteString -> Int unsafeReadInt = fst . fromJust . LC.readInt minNumOfOps :: Integral a => a -> [a] -> a minNumOfOps = foldr (\x t -> if x == t then t - 1 else t) main :: IO () main = do d <- fmap unsafeReadInt . LC.words <$> LC.getContents print . minNumOfOps (head d) $ tail d