結果
| 問題 |
No.3067 +10 Seconds Clock
|
| コンテスト | |
| ユーザー |
torus711
|
| 提出日時 | 2025-03-21 21:47:16 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 60 ms / 2,000 ms |
| コード長 | 1,593 bytes |
| コンパイル時間 | 6,123 ms |
| コンパイル使用メモリ | 205,552 KB |
| 実行使用メモリ | 25,728 KB |
| 最終ジャッジ日時 | 2025-03-21 21:47:27 |
| 合計ジャッジ時間 | 7,886 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 23 |
コンパイルメッセージ
Loaded package environment from /home/judge/.ghc/x86_64-linux-9.10.1/environments/default
[1 of 2] Compiling Main ( Main.hs, Main.o )
Main.hs:36:11: warning: [GHC-63394] [-Wx-partial]
In the use of ‘head’
(imported from Data.List, but defined in GHC.Internal.List):
"This is a partial function, it throws an error on empty lists. Use pattern matching, 'Data.List.uncons' or 'Data.Maybe.listToMaybe' instead. Consider refactoring to use "Data.List.NonEmpty"."
|
36 | readStr = head <$> readStrs
| ^^^^
[2 of 2] Linking a.out
ソースコード
{-# LANGUAGE BangPatterns #-}
{-# LANGUAGE BinaryLiterals #-}
{-# LANGUAGE MultiWayIf #-}
{-# LANGUAGE NumDecimals #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TupleSections #-}
{-# LANGUAGE FlexibleContexts #-}
{-# OPTIONS_GHC -O2 #-}
{-# OPTIONS_GHC -Wno-tabs #-}
import Control.Applicative
import Control.Arrow
import Control.Monad
import Control.Monad.ST
import Data.Char
import Data.List
import Data.Maybe
import Data.Either
import Data.Bool
import qualified Data.ByteString.Char8 as B
import Data.Array
import Data.Array.ST.Safe
import Data.STRef
import Debug.Trace
import Text.Printf
readInt = fst . fromJust . B.readInt <$> B.getLine
readInteger = fst . fromJust . B.readInteger <$> B.getLine
readInts = map ( fst . fromJust . B.readInt ) . B.words <$> B.getLine
readIntegers = map ( fst . fromJust . B.readInteger ) . B.words <$> B.getLine
readStr = head <$> readStrs
readStrs = map B.unpack . B.words <$> B.getLine
yesno = bool "No" "Yes"
mp [ a, b ] = ( a, b )
modifyArray a i f = writeArray a i =<< f <$> readArray a i
printList :: Show a => [a] -> IO ()
printList = putStrLn . intercalate " " . map show
main = do
[ n, t ] <- readInts
ts <- readInts
k <- readInt
cs <- elems . accumArray (+) 0 ( 1, n ) . flip zip ( repeat 1 ) <$> readInts
print $ fromMaybe (-1) $ solve t 0 cs ts
solve _ _ _ [] = Just 0
solve cnt s (c:cs) (t:ts)
| 0 < cnt - t = solve ( cnt - t ) ( s + c ) cs ts
| 0 < cnt + ( s + c ) * 10 - t = ( need + ) <$> solve ( cnt + need * 10 - t ) ( s + c - need ) cs ts
| otherwise = Nothing
where
need = ( -( cnt - t ) + 10 ) `div` 10
torus711