結果
問題 |
No.504 ゲーム大会(ランキング)
|
ユーザー |
![]() |
提出日時 | 2025-06-28 22:03:28 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 394 ms / 2,000 ms |
コード長 | 279 bytes |
コンパイル時間 | 9,289 ms |
コンパイル使用メモリ | 175,616 KB |
実行使用メモリ | 56,320 KB |
最終ジャッジ日時 | 2025-06-28 22:03:42 |
合計ジャッジ時間 | 10,206 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 |
---|---|
sample | AC * 2 |
other | AC * 13 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.10.1/environments/default [1 of 2] Compiling Main ( Main.hs, Main.o ) Main.hs:12:26: warning: [GHC-63394] [-Wx-partial] In the use of ‘tail’ (imported from Prelude, but defined in GHC.Internal.List): "This is a partial function, it throws an error on empty lists. Replace it with 'drop' 1, or use pattern matching or 'GHC.Internal.Data.List.uncons' instead. Consider refactoring to use "Data.List.NonEmpty"." | 12 | solve a = scanl step 1 $ tail a | ^^^^ Main.hs:14:20: warning: [GHC-63394] [-Wx-partial] In the use of ‘head’ (imported from Prelude, but defined in GHC.Internal.List): "This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"." | 14 | step acc x | x > head a = succ acc | ^^^^ [2 of 2] Linking a.out
ソースコード
module Main where import Control.Monad (replicateM) main :: IO () main = do n <- readLn a <- replicateM n readLn mapM_ print $ solve a solve :: [Int] -> [Int] solve a = scanl step 1 $ tail a where step acc x | x > head a = succ acc | otherwise = acc