結果
| 問題 |
No.914 Omiyage
|
| ユーザー |
torus711
|
| 提出日時 | 2019-10-26 15:52:18 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 2,000 ms |
| コード長 | 1,357 bytes |
| コンパイル時間 | 5,556 ms |
| コンパイル使用メモリ | 182,528 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-11-14 21:48:11 |
| 合計ジャッジ時間 | 6,273 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 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 )
Main.hs:36:1: warning: [GHC-94817] [-Wtabs]
Tab character found here, and in 34 further locations.
Suggested fix: Please use spaces instead.
|
36 | [ n, m, k ] <- readInts
| ^^^^^^^^
[2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE BinaryLiterals #-}
{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE NumDecimals #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TupleSections #-}
import Control.Applicative
import Control.Arrow
import Control.Monad
import Control.Monad.ST
import Data.Char
import Data.List
import Data.Maybe
import qualified Data.ByteString.Char8 as B
import Data.Array.ST.Safe
import Data.STRef
import Debug.Trace
import Text.Printf
readInt = readLn :: IO Int
readInteger = readLn :: IO Integer
readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine
readIntegers = map ( fst . fromJust . B.readInteger ) . B.words <$> B.getLine
which a b f = if f then a else b
mp [ a, b ] = ( a, b )
modifyArray a i f = writeArray a i =<< f <$> readArray a i
main = do
[ n, m, k ] <- readInts
as <- replicateM n readInts
print $ solve n m k as
solve n m k as = runST $ do
dp <- newArray_ ( ( 0, 0 ), ( n, k ) ) :: ST s ( STUArray s ( Int, Int ) Bool )
writeArray dp ( 0, k ) True
forM_ [ 0 .. n - 1 ] $ \i -> do
forM_ [ 0 .. k ] $ \j ->do
forM_ ( as !! i ) $ \a -> do
when ( 0 <= j - a ) $ do
b <- readArray dp ( i, j )
modifyArray dp ( i + 1, j - a ) ( || b )
res <- newSTRef ( -1 )
forM_ [ k, k - 1 .. 0 ] $ \j -> do
b <- readArray dp ( n, j )
when b $ do
writeSTRef res j
readSTRef res
torus711