結果

問題 No.1 道のショートカット
ユーザー らっしー(raccy)らっしー(raccy)
提出日時 2015-06-04 21:42:22
言語 Haskell
(9.8.2)
結果
TLE  
実行時間 -
コード長 1,495 bytes
コンパイル時間 962 ms
コンパイル使用メモリ 160,184 KB
実行使用メモリ 7,172 KB
最終ジャッジ日時 2023-09-22 12:18:30
合計ジャッジ時間 7,761 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 3 ms
6,816 KB
testcase_01 AC 2 ms
6,832 KB
testcase_02 AC 2 ms
6,904 KB
testcase_03 AC 2 ms
6,964 KB
testcase_04 AC 3 ms
6,904 KB
testcase_05 AC 2 ms
6,784 KB
testcase_06 AC 3 ms
6,956 KB
testcase_07 AC 3 ms
7,172 KB
testcase_08 TLE -
testcase_09 -- -
testcase_10 -- -
testcase_11 -- -
testcase_12 -- -
testcase_13 -- -
testcase_14 -- -
testcase_15 -- -
testcase_16 -- -
testcase_17 -- -
testcase_18 -- -
testcase_19 -- -
testcase_20 -- -
testcase_21 -- -
testcase_22 -- -
testcase_23 -- -
testcase_24 -- -
testcase_25 -- -
testcase_26 -- -
testcase_27 -- -
testcase_28 -- -
testcase_29 -- -
testcase_30 -- -
testcase_31 -- -
testcase_32 -- -
testcase_33 -- -
testcase_34 -- -
testcase_35 -- -
testcase_36 -- -
testcase_37 -- -
testcase_38 -- -
testcase_39 -- -
testcase_40 -- -
testcase_41 -- -
testcase_42 -- -
testcase_43 -- -
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-9.6.1/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 Data.Maybe
import Data.List
import Control.Applicative

main = do
    n <- read <$> getLine
    c <- read <$> getLine
    v <- read <$> getLine
    s <- map read . words <$> getLine
    t <- map read . words <$> getLine
    y <- map read . words <$> getLine
    m <- map read . words <$> getLine
    print $ no1 n c v s t y m

no1 :: Int -> Int -> Int -> [Int] -> [Int] -> [Int] -> [Int] -> Int
no1 n c v s t y m = fromMaybe (-1) $ no1' n c v s t y m

no1' :: Int -> Int -> Int -> [Int] -> [Int] -> [Int] -> [Int] -> Maybe Int
no1' n c _ s t y m = maybeMinimum $ map time $ filter (\a -> place a == n) $  foldl' (>>=) [PlaceCost { place = 1, coin = c, time = 0 }] $ replicate n (`fromTo` createRouteList s t y m)

data PlaceCost = PlaceCost { place :: Int, coin :: Int, time :: Int}
    deriving (Show)

data Route = Route { from :: Int, to :: Int, cost :: Int, rtime :: Int}
    deriving (Show)

fromTo :: PlaceCost -> [Route] -> [PlaceCost]
fromTo pc [] = [pc]
fromTo pc (r:rs)
    | place pc /= from r = fromTo pc rs
    | remainCoin < 0 = fromTo pc rs
    | otherwise = PlaceCost { place = to r, coin = remainCoin, time = tookTime } : fromTo pc rs
    where remainCoin = coin pc - cost r
          tookTime = time pc + rtime r

createRouteList :: [Int] -> [Int] -> [Int] -> [Int] -> [Route]
createRouteList = zipWith4 (\s t y m -> Route { from = s , to = t, cost = y, rtime = m })

maybeMinimum :: (Ord a) => [a] -> Maybe a
maybeMinimum [] = Nothing
maybeMinimum x = Just $ minimum x
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