結果
問題 | No.486 3 Straight Win(3連勝) |
ユーザー |
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提出日時 | 2017-02-26 13:08:05 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 439 bytes |
コンパイル時間 | 1,921 ms |
コンパイル使用メモリ | 173,440 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-26 04:08:40 |
合計ジャッジ時間 | 2,783 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 28 |
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:7:24: 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 | freq = map (length &&& head) . group | ^^^^ Main.hs:14:22: 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." | 14 | | (snd . head $ xs) == 'O' = East | ^^^^ [2 of 2] Linking a.out
ソースコード
importControl.ArrowimportData.Listgroupdata Winner = East | West | NA derivingEqOrdShowReadfreq::Orda=>a->Intafreq = map (length &&& head) . groupjudge::String->Winnerjudge = f . dropWhile (\x -> fst x < 3) . freqwheref xs| null xs = NA| (snd . head $ xs) == 'O' = East| otherwise = Westmain::IO()main = print . judge =<< getLine