結果

問題 No.24 数当てゲーム
コンテスト
ユーザー e7a894
提出日時 2020-09-16 18:07:13
言語 Haskell
(9.10.1)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 498 bytes
コンパイル時間 8,379 ms
コンパイル使用メモリ 171,008 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-22 03:25:09
合計ジャッジ時間 6,912 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
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ファイルパターン 結果
other AC * 10
権限があれば一括ダウンロードができます
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:10:19: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Data.List, 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."
   |
10 | solve ws = read $ head $ foldl intersect ["0","1","2","3","4","5","6","7","8","9"] ws' 
   |                   ^^^^
[2 of 2] Linking a.out

ソースコード

diff # 

import Control.Monad
import Data.List

main = do
  n <- readLn
  ws <- replicateM n $ words <$> getLine
  putStrLn . show $ solve ws

solve :: [[String]] -> Int
solve ws = read $ head $ foldl intersect ["0","1","2","3","4","5","6","7","8","9"] ws' 
  where ws' = map check ws :: [[String]]

check :: [String] -> [String]
check xs = if e == "NO" then filter (\n -> not (elem n xs')) ["0","1","2","3","4","5","6","7","8","9"] else xs'
  where
    xs' = take 4 xs :: [String]
    e = xs !! 4 :: String
0