結果
| 問題 | No.92 逃走経路 |
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2018-06-16 17:15:51 |
| 言語 | Haskell (9.10.1) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 1,162 bytes |
| 記録 | |
| コンパイル時間 | 813 ms |
| コンパイル使用メモリ | 150,400 KB |
| 最終ジャッジ日時 | 2024-06-30 16:18:04 |
| 合計ジャッジ時間 | 1,460 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
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:9:1: error: [GHC-87110]
Could not load module ‘Data.Map’.
It is a member of the hidden package ‘containers-0.6.8’.
Use -v to see a list of the files searched for.
|
9 | import Data.Map (Map)
| ^^^^^^^^^^^^^^^^^^^^^
Main.hs:10:1: error: [GHC-87110]
Could not load module ‘Data.Map’.
It is a member of the hidden package ‘containers-0.6.8’.
Use -v to see a list of the files searched for.
|
10 | import qualified Data.Map as M
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Main.hs:12:1: error: [GHC-87110]
Could not load module ‘Data.IntSet’.
It is a member of the hidden package ‘containers-0.6.8’.
Use -v to see a list of the files searched for.
|
12 | import Data.IntSet (IntSet)
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Main.hs:13:1: error: [GHC-87110]
Could not load module ‘Data.IntSet’.
It is a member of the hidden package ‘containers-0.6.8’.
Use -v to see a list of the files searched for.
|
13 | import qualified Data.IntSet as IS
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ソースコード
import Control.Applicative ((<$>), (<*>))
import Control.Monad (replicateM)
import Data.ByteString.Char8 (ByteString)
import qualified Data.ByteString.Char8 as B
import Data.List (unfoldr, foldl')
import Data.Char (isSpace)
import Data.Map (Map)
import qualified Data.Map as M
import Data.IntSet (IntSet)
import qualified Data.IntSet as IS
main :: IO ()
main = do
[n, m, _] <- f
solve n <$> replicateM m f <*> f >>= mapM_ putStrLn
where f = readil B.readInt <$> B.getLine
solve :: Int -> [[Int]] -> [Int] -> [String]
solve n fts fs = let ls = foldl' (g mp) (IS.fromList [1..n]) fs in [(show . IS.size) ls, (unwords . map show . IS.toList) ls]
where f mp [a, b, c] = M.insertWith (++) (a, c) [b] (M.insertWith (++) (b, c) [a] mp)
mp = foldl' f M.empty fts
g mp st d = IS.foldl' h IS.empty st
where h s p = case M.lookup (p, d) mp of
Just xs -> IS.union s (IS.fromList xs)
Nothing -> s
readil :: Integral a => (ByteString -> Maybe (a, ByteString)) -> ByteString -> [a]
readil f = unfoldr g
where
g s = do
(n, s') <- f s
return (n, B.dropWhile isSpace s')