結果
| 問題 |
No.841 8/32
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-07-11 09:06:28 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 231 bytes |
| コンパイル時間 | 5,022 ms |
| コンパイル使用メモリ | 171,264 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-11-07 05:20:33 |
| 合計ジャッジ時間 | 5,903 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 21 |
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:7:34: 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."
|
7 | solve ss = "8/" ++ show (31 + if head ss == "Sat" || head ss == "Sun"
| ^^^^
Main.hs:7:54: 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."
|
7 | solve ss = "8/" ++ show (31 + if head ss == "Sat" || head ss == "Sun"
| ^^^^
[2 of 2] Linking a.out
ソースコード
main :: IO () main = do ss <- words <$> getLine putStrLn $ solve ss solve :: [String] -> String solve ss = "8/" ++ show (31 + if head ss == "Sat" || head ss == "Sun" then sum [1 | x <- ss, x == "Sat" || x == "Sun"] else 0)