#272942 (Haskell) No.396 クラス替え

• 問題: No.396 クラス替え
• ユーザー: highd
• 提出日時: 2018-07-15 17:54:14
• 言語: Haskell (9.8.2)
• 結果: AC
• 実行時間: 2 ms / 1,000 ms
• コード長: 1,533 bytes
• コンパイル時間: 7,286 ms
• コンパイル使用メモリ: 224,608 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-04-24 13:10:43
• 合計ジャッジ時間: 6,478 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	1 ms; 5,248 KB
testcase_02	AC	1 ms; 5,376 KB
testcase_03	AC	2 ms; 5,376 KB
testcase_04	AC	2 ms; 5,376 KB
testcase_05	AC	1 ms; 5,376 KB
testcase_06	AC	1 ms; 5,376 KB
testcase_07	AC	1 ms; 5,376 KB
testcase_08	AC	1 ms; 5,376 KB
testcase_09	AC	1 ms; 5,376 KB
testcase_10	AC	1 ms; 5,376 KB
testcase_11	AC	2 ms; 5,376 KB
testcase_12	AC	2 ms; 5,376 KB
testcase_13	AC	1 ms; 5,376 KB
testcase_14	AC	2 ms; 5,376 KB
testcase_15	AC	1 ms; 5,376 KB
testcase_16	AC	1 ms; 5,376 KB
testcase_17	AC	1 ms; 5,376 KB
testcase_18	AC	1 ms; 5,376 KB
testcase_19	AC	2 ms; 5,376 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:14:4: warning: [GHC-94817] [-Wtabs]
    Tab character found here, and in 59 further locations.
    Suggested fix: Please use spaces instead.
   |
14 | []              !-! _ = Nothing
   |    ^^^^^
[2 of 2] Linking a.out

ソースコード

--{-# LANGUAGE Safe #-}
{-# LANGUAGE PatternGuards #-}
import qualified Data.Text as T
import qualified Data.Text.IO as TI
import qualified Data.List as L
import Data.Monoid
import Data.Maybe
import Control.Applicative
import Debug.Trace
import Data.Char


(!-!)::[a]->Int->Maybe a
[] 		!-! _ = Nothing
(x:xs) 	!-! 0 = Just x
(x:xs) 	!-! n = xs !-! (n-1)

(<$~>)::Functor f => f a -> (a -> b) -> f b
(<$~>)=flip (<$>)

maybeRead s
	|[(x,"")]<-(reads s)=Just x
	|otherwise = Nothing
	
getLines::Int->IO T.Text
getLines 1 = TI.getLine 
getLines n = TI.getLine <> return (T.pack " ") <> (getLines$n-1)
	
run main_f n= 
	getLines n			<$~>
	T.split (==' ')		<$~>
	fmap T.unpack		<$~>
	main_f				<$~>
	fromMaybe "error"	>>=
	putStrLn
{-
1   2   3   4   5   6
12  11  10  9   8   7
13  14  15  16  17  18
24  23  22  21  20  19
-}
getClass::Int->Int->Int
getClass m v =
	let
		tmp = v `mod` (2 * m)::Int
		r=if tmp > m then 2*m-tmp+1 else tmp
	in if r==0 then r+1 else r

main_ list = do
	let get n = maybeRead=<<(list !-! n)::Maybe Int
	m<-get 1
	x<-get 2
	y<-get 3
	return$if (getClass m x)==(getClass m y) then "YES" else "NO"
	
format::Show a=>String->[a]->String
format str list = format_ str list False
	where
		format_::Show a=>String ->[a]->Bool->String
		format_ [] _ _ = ""
		format_ (x:xs) list False
			|x=='%'=format_ xs list True
			|otherwise = x:format_ xs list False
		format_ (x:xs) list True
			|x=='%' = '%':format_ xs list False
			|isDigit x = show (list !! (ord x-ord '0'))++format_ xs list False
	
main = run main_ 2