結果

問題 No.275 中央値を求めよ
ユーザー shikatsusanshikatsusan
提出日時 2016-05-12 13:52:01
言語 Haskell
(9.10.1)
結果
AC  
実行時間 7 ms / 1,000 ms
コード長 290 bytes
コンパイル時間 7,697 ms
コンパイル使用メモリ 178,944 KB
実行使用メモリ 8,192 KB
最終ジャッジ日時 2024-06-24 23:48:46
合計ジャッジ時間 6,014 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 38
権限があれば一括ダウンロードができます
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:7:27: 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."
  |
7 |        |odd (length xs) = head . drop centerId . sort $ xs
  |                           ^^^^
[2 of 2] Linking a.out

ソースコード

diff #
プレゼンテーションモードにする

import Data.List
main::IO()
main = do
getLine
xs<-fmap (fmap read . words) getLine
let exe xs
|odd (length xs) = head . drop centerId . sort $ xs
|otherwise =(/2) . sum . take 2 . drop (centerId -1). sort $ xs
where centerId =length xs `div` 2
print . exe $ xs
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