結果
| 問題 |
No.365 ジェンガソート
|
| コンテスト | |
| ユーザー |
はむ吉🐹
|
| 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
はむ吉🐹