結果
問題 |
No.250 atetubouのzetubou
|
ユーザー |
![]() |
提出日時 | 2016-06-07 22:36:24 |
言語 | Haskell (9.10.1) |
結果 |
MLE
|
実行時間 | - |
コード長 | 1,146 bytes |
コンパイル時間 | 10,170 ms |
コンパイル使用メモリ | 183,508 KB |
実行使用メモリ | 815,360 KB |
最終ジャッジ日時 | 2024-10-08 22:01:23 |
合計ジャッジ時間 | 24,325 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | -- * 2 |
other | MLE * 2 -- * 18 |
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 ) [2 of 2] Linking a.out
ソースコード
{-# LANGUAGE OverloadedStrings #-} import qualified Data.ByteString.Lazy.Char8 as LC import qualified Data.ByteString.Char8 as SC import Data.List (genericIndex) import Data.Maybe (fromJust) data Status = AC | ZETUBOU deriving (Enum, Show) type Query a = (a, a, a) -- Based on https://rosettacode.org/wiki/Evaluate_binomial_coefficients binom :: Integral a => a -> a -> a binom n k = flip genericIndex k $ genericIndex binoms n where next ns = zipWith (+) (0 : ns) $ ns ++ [0] binoms = iterate next [1] querify :: [a] -> Query a querify [x, y, z] = (x, y, z) querify _ = error "the length of the list must be three" judge :: Integral a => Query a -> Status judge (d, x, t) | binom (x + d - 1) x <= t = AC | otherwise = ZETUBOU unsafeReadInteger :: LC.ByteString -> Integer unsafeReadInteger = fst . fromJust . LC.readInteger showStatus :: Status -> SC.ByteString showStatus AC = "AC" showStatus ZETUBOU = "ZETUBOU" main :: IO () main = do _ <- SC.getLine SC.putStr . SC.unlines . fmap (showStatus . judge . querify . fmap unsafeReadInteger . LC.words) . LC.lines =<< LC.getContents