結果
問題 | No.627 ランダムウォークの軌跡 |
ユーザー |
|
提出日時 | 2019-04-07 17:05:05 |
言語 | Haskell (9.10.1) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 319 bytes |
コンパイル時間 | 4,444 ms |
コンパイル使用メモリ | 174,720 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-27 06:57:56 |
合計ジャッジ時間 | 4,614 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 * 33 |
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:6:7: 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." | 6 | | head ts /= 1 && head ts /= -1 = "F" | ^^^^ Main.hs:6:23: 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." | 6 | | head ts /= 1 && head ts /= -1 = "F" | ^^^^ Main.hs:7:41: warning: [GHC-63394] [-Wx-partial] In the use of ‘tail’ (imported from Prelude, but defined in GHC.List): "This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty." | 7 | | all (== 1) (map abs (zipWith (-) (tail ts) (init ts))) = "T" | ^^^^ [2 of 2] Linking a.out
ソースコード
import Data.Bool (bool) import Control.Monad (replicateM) solve :: [Int] -> String solve ts | head ts /= 1 && head ts /= -1 = "F" | all (== 1) (map abs (zipWith (-) (tail ts) (init ts))) = "T" | otherwise = "F" main = do n <- readLn ts <- map read <$> replicateM n getLine putStrLn $ solve ts