結果
問題 |
No.609 Noelちゃんと星々
|
ユーザー |
|
提出日時 | 2017-12-12 15:52:43 |
言語 | Haskell (9.10.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 370 bytes |
コンパイル時間 | 11,777 ms |
コンパイル使用メモリ | 173,768 KB |
実行使用メモリ | 58,368 KB |
最終ジャッジ日時 | 2024-12-14 05:04:27 |
合計ジャッジ時間 | 14,581 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | WA * 25 |
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:4:39: 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." | 4 | | otherwise = check (acm + (abs ((head xs) - v))) v (tail xs) | ^^^^ Main.hs:4:58: 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." | 4 | | otherwise = check (acm + (abs ((head xs) - v))) v (tail xs) | ^^^^ [2 of 2] Linking a.out
ソースコード
check :: Integer -> Integer -> [Integer] -> Integer check acm v xs | null xs = acm | otherwise = check (acm + (abs ((head xs) - v))) v (tail xs) main :: IO () main = do n <- readLn xs <- fmap (map read . words) getLine :: IO [Integer] let avg = (sum xs) `div` n print $ min (min (check 0 (avg - 1) xs) (check 0 avg xs)) (check 0 (avg + 1) xs)