結果
| 問題 |
No.239 にゃんぱすー
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-04-12 12:32:45 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 35 ms / 2,000 ms |
| コード長 | 559 bytes |
| コンパイル時間 | 9,164 ms |
| コンパイル使用メモリ | 170,752 KB |
| 実行使用メモリ | 15,232 KB |
| 最終ジャッジ日時 | 2024-09-13 23:37:35 |
| 合計ジャッジ時間 | 6,281 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 |
|---|---|
| sample | AC * 4 |
| 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:7:20: 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 | transpose xs = map head xs : transpose (map tail xs)
| ^^^^
Main.hs:7:45: 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 | transpose xs = map head xs : transpose (map tail xs)
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Control.Monad (replicateM)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
transpose :: [[a]] -> [[a]]
transpose ([]:_) = []
transpose xs = map head xs : transpose (map tail xs)
solve :: [[String]] -> Int
solve ns
| isrentyon = succ $ fromJust $ elemIndex True r
| otherwise = -1
where
r = map (all f) ys
f s = s == "nyanpass" || s == "-"
ys = transpose ns
isrentyon = (length . filter (==True)) r == 1
main = do
n <- readLn
ns <- map words <$> replicateM n getLine
print $ solve ns