結果
| 問題 |
No.504 ゲーム大会(ランキング)
|
| コンテスト | |
| ユーザー |
kou_kkk
|
| 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
kou_kkk