結果
| 問題 | No.547 未知の言語 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-07-29 00:10:27 |
| 言語 | Haskell (9.14.1) |
| 結果 |
WA
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 270 bytes |
| 記録 | |
| コンパイル時間 | 1,172 ms |
| コンパイル使用メモリ | 194,560 KB |
| 実行使用メモリ | 7,720 KB |
| 最終ジャッジ日時 | 2026-03-12 14:51:29 |
| 合計ジャッジ時間 | 1,894 ms |
|
ジャッジサーバーID (参考情報) |
judge3_0 / judge1_1 |
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| ファイルパターン | 結果 |
|---|---|
| other | WA * 33 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.14.1/environments/default
[1 of 2] Compiling Main ( Main.hs, Main.o )
Main.hs:4:49: 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"."
|
4 | main = putStrLn . unlines . solve . map words . tail . lines =<< getContents
| ^^^^
Main.hs:7:11: 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"."
|
7 | ans = head . dropWhile g $ zipWith3 f xs ys [1..]
| ^^^^
[2 of 2] Linking a.out
ソースコード
-- Try yukicoder
-- author: Leonardone @ NEETSDKASU
main = putStrLn . unlines . solve . map words . tail . lines =<< getContents
solve [xs, ys] = ans where
ans = head . dropWhile g $ zipWith3 f xs ys [1..]
f x y n = [show n, x, y]
g [_, x, y] = x == y