結果

問題 No.1110 好きな歌
ユーザー aoshima
提出日時 2020-07-17 11:58:18
言語 Haskell
(9.10.1)
結果
TLE  
実行時間 -
コード長 1,030 bytes
コンパイル時間 13,477 ms
コンパイル使用メモリ 207,488 KB
実行使用メモリ 59,392 KB
最終ジャッジ日時 2024-11-28 00:20:32
合計ジャッジ時間 189,170 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 22 TLE * 29
権限があれば一括ダウンロードができます
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 )
[2 of 2] Linking a.out

ソースコード

diff #

import qualified Control.Arrow         as Arrow
import Control.Monad                   (replicateM)
import qualified Data.List             as L
import qualified Data.ByteString.Char8 as BSC8
import qualified Data.Maybe            as Maybe
import qualified Data.Vector.Unboxed   as VU

getInt :: BSC8.ByteString -> Maybe (Int, BSC8.ByteString)
getInt = fmap (Arrow.second BSC8.tail) . BSC8.readInt
getAB  :: IO (Int, Int)
getAB   = (\vec -> (vec VU.! 0, vec VU.! 1)) . VU.unfoldrN 2 getInt <$> BSC8.getLine

main :: IO ()
main = do
  (n, d) <- getAB
  xs <- map (fst. Maybe.fromJust . BSC8.readInt) <$> replicateM n BSC8.getLine
  if n == 1
    then print 0
    else putStr $ unlines $ map show $ solve n d xs

solve :: Int -> Int -> [Int] -> [Int]
solve n d xs = map f ys
  where
    -- ys :: [(Int, [Int])]
    ys = part xs
    -- f :: (Int, [Int]) -> Int
    f (a, zs) = length $ filter (\x -> a - x >= d) zs

part :: [Int] -> [(Int, [Int])]
part [x]    = [(x, [])]
part (x:xs) = (x, xs) : map (\(y, ys) -> (y, x:ys)) (part xs)
0