結果
問題 | No.1271 初めての級数 |
ユーザー | zer0-star |
提出日時 | 2020-11-01 20:55:18 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 3,026 bytes |
コンパイル時間 | 8,419 ms |
コンパイル使用メモリ | 204,544 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-22 05:50:49 |
合計ジャッジ時間 | 6,894 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | 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 ) [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BlockArguments #-} {-# LANGUAGE MultiWayIf #-} {-# LANGUAGE RecordWildCards #-} {-# LANGUAGE NegativeLiterals #-} {-# LANGUAGE ParallelListComp #-} {-# LANGUAGE DeriveGeneric #-} {-# LANGUAGE TupleSections #-} {-# LANGUAGE DerivingVia #-} {-# LANGUAGE StandaloneDeriving #-} {-# LANGUAGE GeneralizedNewtypeDeriving #-} {-# LANGUAGE DerivingStrategies #-} {-# LANGUAGE DataKinds #-} {-# LANGUAGE KindSignatures #-} {-# LANGUAGE NPlusKPatterns #-} {-# LANGUAGE StrictData #-} {-# LANGUAGE FlexibleContexts #-} {-# LANGUAGE BangPatterns #-} {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE FunctionalDependencies #-} {-# LANGUAGE GADTs #-} {-# LANGUAGE LambdaCase #-} {-# LANGUAGE MultiParamTypeClasses #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE RankNTypes #-} {-# LANGUAGE TemplateHaskell #-} {-# LANGUAGE TypeApplications #-} {-# LANGUAGE TypeFamilies #-} {-# LANGUAGE TypeOperators #-} {-# LANGUAGE ScopedTypeVariables #-} {-# LANGUAGE ViewPatterns #-} import Control.Applicative import Control.Arrow import Control.Monad -- import Control.Monad.Extra import Control.Monad.Fix import Control.Monad.ST import Data.Bits -- import qualified Data.Vector.Unboxed.Base as UB -- import qualified Data.Vector.Generic.Mutable.Base -- as MB -- import qualified Data.Vector.Generic.Base as GB import qualified Data.ByteString.Char8 as BS import Data.Char import Data.Foldable import Data.Functor import Data.Int import Data.List import Data.Maybe import Data.Monoid import Data.Ord import Data.Semigroup ( Max(..) , Min(..) , All(..) , Arg(..) ) import Data.Ratio -- import Data.Vector.Unboxing.Mutable ( Unboxable ) -- import qualified Data.Vector.Unboxing.Mutable as V import System.IO import Data.Proxy import GHC.TypeLits import GHC.Generics ( Generic ) import GHC.Exts {-# ANN module ("Hlint: ignore Unused LANGUAGE pragma" :: String) #-} twice :: (a -> a -> b) -> a -> b twice f x = f x x both :: Arrow a => a b c -> a (b, b) (c, c) both = twice (***) readsLn :: Read a => IO [a] readsLn = mapM readIO . words =<< getLine getInt :: IO Int getInt = fst . fromJust . BS.readInt <$> BS.getLine getInts :: IO [Int] getInts = map (fst . fromJust . BS.readInt) . BS.words <$> BS.getLine getInteger :: IO Integer getInteger = fst . fromJust . BS.readInteger <$> BS.getLine getIntegers :: IO [Integer] getIntegers = map (fst . fromJust . BS.readInteger) . BS.words <$> BS.getLine main = do k <- readLn @Double print if k == 0 then pi * pi / 6 else sum (map recip [1 .. k]) / k