結果
問題 | No.40 多項式の割り算 |
ユーザー | 情報学生 |
提出日時 | 2019-08-27 11:26:10 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 842 bytes |
コンパイル時間 | 3,317 ms |
コンパイル使用メモリ | 180,932 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-14 06:02:12 |
合計ジャッジ時間 | 4,388 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,820 KB |
testcase_01 | AC | 1 ms
6,824 KB |
testcase_02 | AC | 1 ms
6,820 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 3 ms
6,820 KB |
testcase_06 | AC | 3 ms
6,816 KB |
testcase_07 | AC | 3 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 3 ms
6,816 KB |
testcase_10 | AC | 3 ms
6,820 KB |
testcase_11 | AC | 3 ms
6,816 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 3 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 3 ms
6,816 KB |
testcase_16 | AC | 3 ms
6,816 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 3 ms
6,816 KB |
testcase_19 | AC | 3 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,820 KB |
testcase_22 | AC | 2 ms
6,816 KB |
testcase_23 | AC | 2 ms
6,820 KB |
testcase_24 | AC | 3 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 1 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,820 KB |
testcase_29 | AC | 1 ms
6,820 KB |
testcase_30 | AC | 2 ms
6,820 KB |
testcase_31 | AC | 1 ms
6,816 KB |
testcase_32 | AC | 1 ms
6,820 KB |
testcase_33 | AC | 1 ms
6,820 KB |
testcase_34 | AC | 1 ms
6,820 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:22:16: 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." | 22 | putStrLn $ head ys | ^^^^ Main.hs:23:26: 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." | 23 | putStrLn $ unwords $ tail ys | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative ((<$>)) import Data.ByteString.Char8 (ByteString) import qualified Data.ByteString.Char8 as B import Data.Char (isSpace) import Data.List (foldl', unfoldr) getL :: (ByteString -> [Int]) -> IO [Int] getL f = f <$> B.getLine readIL :: (ByteString -> Maybe (Int, ByteString)) -> (ByteString -> [Int]) readIL f = unfoldr g where g s = do (n, s') <- f s return (n, B.dropWhile isSpace s') main :: IO () main = do B.getLine xs <- getL $ readIL B.readInt let ys = map show $ solve $ reverse xs putStrLn $ head ys putStrLn $ unwords $ tail ys solve :: [Int] -> [Int] solve (0:xs) = solve xs solve [] = [0, 0] solve [x] = [0, x] solve [x, y] = [1, y, x] solve [x, y, z] = [2, z, y, x] solve (x:y:z:w:rs) = solve (y:z+x:w:rs)