結果
| 問題 |
No.78 クジ付きアイスバー
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2018-09-03 15:00:19 |
| 言語 | Haskell (9.10.1) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 440 bytes |
| コンパイル時間 | 2,750 ms |
| コンパイル使用メモリ | 174,848 KB |
| 実行使用メモリ | 10,152 KB |
| 最終ジャッジ日時 | 2024-10-08 00:54:35 |
| 合計ジャッジ時間 | 12,814 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 2 TLE * 1 -- * 32 |
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:16:38: 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."
|
16 | | otherwise = f (bc+1) (ic+1) (head xs) (tail xs)
| ^^^^
Main.hs:16:48: 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."
|
16 | | otherwise = f (bc+1) (ic+1) (head xs) (tail xs)
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Control.Applicative
import Data.Char (digitToInt)
main :: IO ()
main = solve <$> f <*> getLine >>= print
where
f = map read <$> words <$> getLine
solve :: [Int] -> String -> Int
solve [_, k] s = f 0 0 0 . cycle $ map digitToInt s
where
f bc ic at xs
| ic >= k = bc
| at > 0 = let ls = take at xs
in f bc (ic+at) (sum ls) (drop at xs)
| otherwise = f (bc+1) (ic+1) (head xs) (tail xs)