結果
問題 | No.512 魔法少女の追いかけっこ |
ユーザー | ducktail |
提出日時 | 2018-02-28 16:35:19 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 693 bytes |
コンパイル時間 | 5,489 ms |
コンパイル使用メモリ | 181,136 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-27 06:54:32 |
合計ジャッジ時間 | 6,752 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,812 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,944 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 1 ms
6,944 KB |
testcase_28 | AC | 1 ms
6,944 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 1 ms
6,944 KB |
testcase_34 | AC | 1 ms
6,940 KB |
testcase_35 | AC | 1 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,948 KB |
testcase_38 | AC | 1 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 1 ms
6,940 KB |
testcase_41 | AC | 1 ms
6,940 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 1 ms
6,944 KB |
testcase_45 | AC | 1 ms
6,944 KB |
testcase_46 | AC | 1 ms
6,948 KB |
testcase_47 | AC | 1 ms
6,944 KB |
testcase_48 | AC | 1 ms
6,944 KB |
testcase_49 | AC | 1 ms
6,944 KB |
testcase_50 | AC | 1 ms
6,944 KB |
testcase_51 | AC | 1 ms
6,940 KB |
testcase_52 | AC | 1 ms
6,944 KB |
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:15:21: 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." | 15 | | all f $ zip as (tail as) = "YES" | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative ((<$>)) import Data.ByteString.Char8 (ByteString) import qualified Data.ByteString.Char8 as B import Data.List import Data.Char (isSpace) main :: IO () main = do [x, y] <- getl (readil B.readInt) B.getLine solve x y <$> getl (readil B.readInt) >>= putStrLn solve :: Int -> Int -> [Int] -> String solve x y as | all f $ zip as (tail as) = "YES" | otherwise = "NO" where f (ai, aj) = ai * y <= aj * x getl :: (ByteString -> a) -> IO a getl f = f <$> B.getLine readil :: Integral a => (ByteString -> Maybe (a, ByteString)) -> ByteString -> [a] readil f = unfoldr g where g s = do (n, s') <- f s return (n, B.dropWhile isSpace s')