結果
問題 |
No.2969 ローラン単項式の微分
|
ユーザー |
![]() |
提出日時 | 2024-11-29 21:30:37 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 1,266 bytes |
コンパイル時間 | 8,476 ms |
コンパイル使用メモリ | 180,272 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-29 21:30:49 |
合計ジャッジ時間 | 9,566 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 20 |
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:34:11: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Data.List, 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." | 34 | readStr = head <$> readStrs | ^^^^ [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-} {-# LANGUAGE BinaryLiterals #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE NumDecimals #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE TupleSections #-} {-# LANGUAGE FlexibleContexts #-} {-# OPTIONS_GHC -O2 #-} {-# OPTIONS_GHC -Wno-tabs #-} import Control.Applicative import Control.Arrow import Control.Monad import Control.Monad.ST import Data.Char import Data.List import Data.Maybe import qualified Data.ByteString.Char8 as B import Data.Array import Data.Array.ST.Safe import Data.STRef import Debug.Trace import Text.Printf readInt = fst . fromJust . B.readInt <$> B.getLine readInteger = fst . fromJust . B.readInteger <$> B.getLine readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine readIntegers = map ( fst . fromJust . B.readInteger ) . B.words <$> B.getLine readStr = head <$> readStrs readStrs = map B.unpack . B.words <$> B.getLine which a b f = if f then a else b yesno = which "Yes" "No" mp [ a, b ] = ( a, b ) modifyArray a i f = writeArray a i =<< f <$> readArray a i printList :: Show a => [a] -> IO () printList = putStrLn . intercalate " " . map show main = do [ n, m ] <- readInts if n == 0 || m == 0 then putStrLn "No" else do putStrLn "Yes" printList [ n * m, m - 1 ]