結果

問題 No.446 ゆきこーだーの雨と雪 (1)
ユーザー aimyaimy
提出日時 2017-04-16 09:58:17
言語 Haskell
(9.10.1)
結果
AC  
実行時間 2 ms / 2,000 ms
コード長 255 bytes
コンパイル時間 1,465 ms
コンパイル使用メモリ 174,336 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-19 03:58:36
合計ジャッジ時間 2,079 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 13
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:8:13: 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."
  |
8 |  | notElem (head s) ['1'..'9'] = False 
  |             ^^^^

Main.hs:9:29: 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."
  |
9 |  | otherwise = let (n,xs) = head (reads s) in 0<=n && n<=12345 && null xs
  |                             ^^^^
[2 of 2] Linking a.out

ソースコード

diff #
プレゼンテーションモードにする

import Data.Char
main = getContents >>= putStrLn . show' . all ok . words
where show' p = if p then "OK" else "NG"
ok s
| s == "0" = True
| notElem (head s) ['1'..'9'] = False
| otherwise = let (n,xs) = head (reads s) in 0<=n && n<=12345 && null xs
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