結果
問題 |
No.81 すべて足すだけの簡単なお仕事です。
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ユーザー |
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提出日時 | 2018-09-04 13:04:07 |
言語 | Haskell (9.10.1) |
結果 |
WA
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実行時間 | - |
コード長 | 666 bytes |
コンパイル時間 | 4,474 ms |
コンパイル使用メモリ | 173,440 KB |
実行使用メモリ | 5,760 KB |
最終ジャッジ日時 | 2024-10-13 07:38:16 |
合計ジャッジ時間 | 5,523 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 25 WA * 5 |
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:16:28: 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 | in if head a == '-' | ^^^^ Main.hs:17:57: 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." | 17 | then negate (10 ^ 10 * read (tail a) + ib) | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative import Control.Monad import Data.List.Split (splitOn) main :: IO () main = do n <- readLn solve <$> replicateM n getLine >>= prt solve :: [String] -> Integer solve ss = sum . map f $ ss where f s = case splitOn "." s of [a] -> read a * 10 ^ 10 [a, b] -> let ib = read (b ++ replicate (10 - length b) '0') in if head a == '-' then negate (10 ^ 10 * read (tail a) + ib) else 10 ^ 10 * read a + ib prt :: Integer -> IO () prt x = do let sx = show x l = length sx (a, b) = splitAt (l - 10) sx putStrLn $ a ++ "." ++ b