結果
問題 | No.81 すべて足すだけの簡単なお仕事です。 |
ユーザー |
|
提出日時 | 2018-09-04 13:27:17 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 3 ms / 5,000 ms |
コード長 | 804 bytes |
コンパイル時間 | 9,410 ms |
コンパイル使用メモリ | 174,848 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-22 16:42:32 |
合計ジャッジ時間 | 8,008 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
other | AC * 30 |
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 = putStrLn $ sgn ++ a ++ "." ++ b where sgn = if x >= 0 then "" else "-" sx = if x >= 0 then show x else show (negate x) l = length sx (a, b) = if l > 10 then splitAt (l - 10) sx else splitAt 1 (replicate (11 - l) '0' ++ sx)