結果
問題 |
No.45 回転寿司
|
ユーザー |
![]() |
提出日時 | 2017-05-05 22:09:00 |
言語 | Haskell (9.10.1) |
結果 |
TLE
|
実行時間 | - |
コード長 | 258 bytes |
コンパイル時間 | 4,075 ms |
コンパイル使用メモリ | 172,800 KB |
実行使用メモリ | 12,928 KB |
最終ジャッジ日時 | 2024-09-14 08:50:18 |
合計ジャッジ時間 | 16,743 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | -- * 4 |
other | TLE * 1 -- * 29 |
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:12:14: 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." | 12 | t1 = head vs + solve (drop 2 vs) | ^^^^ Main.hs:13:21: 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." | 13 | t2 = solve (tail vs) | ^^^^ [2 of 2] Linking a.out
ソースコード
main :: IO () main = do getLine vs <- map read . words <$> getLine print $ solve vs solve :: Integral a => [a] -> a solve [] = 0 solve [v] = v solve vs = max t1 t2 where t1 = head vs + solve (drop 2 vs) t2 = solve (tail vs)