結果

問題 No.11 カードマッチ
ユーザー okadukiokaduki
提出日時 2017-05-20 22:22:20
言語 Haskell
(9.8.2)
結果
AC  
実行時間 2 ms / 5,000 ms
コード長 687 bytes
コンパイル時間 2,734 ms
コンパイル使用メモリ 180,164 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-11-14 20:01:06
合計ジャッジ時間 3,500 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
このコードへのチャレンジ
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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 1 ms
6,816 KB
testcase_01 AC 1 ms
6,816 KB
testcase_02 AC 1 ms
6,816 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 1 ms
6,816 KB
testcase_05 AC 2 ms
6,820 KB
testcase_06 AC 2 ms
6,816 KB
testcase_07 AC 2 ms
6,816 KB
testcase_08 AC 2 ms
6,816 KB
testcase_09 AC 2 ms
6,820 KB
testcase_10 AC 1 ms
6,820 KB
testcase_11 AC 1 ms
6,820 KB
testcase_12 AC 2 ms
6,816 KB
testcase_13 AC 2 ms
6,820 KB
testcase_14 AC 2 ms
6,820 KB
testcase_15 AC 1 ms
6,816 KB
testcase_16 AC 1 ms
6,820 KB
testcase_17 AC 2 ms
6,816 KB
testcase_18 AC 2 ms
6,816 KB
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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:15:46: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Data.List, but defined in GHC.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
   |
15 |   let xl = fromIntegral $ length $ nub $ map head xxs
   |                                              ^^^^

Main.hs:16:47: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Data.List, but defined in GHC.List):
    "This is a partial function, it throws an error on empty lists. Use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
   |
16 |   let yl = fromIntegral $ length $ nub $ map (head . tail) xxs
   |                                               ^^^^

Main.hs:16:54: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Data.List, but defined in GHC.List):
    "This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty."
   |
16 |   let yl = fromIntegral $ length $ nub $ map (head . tail) xxs
   |                                                      ^^^^
[2 of 2] Linking a.out

ソースコード

diff #

{-# LANGUAGE FlexibleContexts, OverloadedStrings #-}
import Control.Applicative
import Control.Monad
import qualified Data.ByteString.Char8 as B
import Data.Maybe (fromJust)
import Data.List
import Text.Printf
import Debug.Trace

main = do
  [w] <- getInts
  [h] <- getInts
  [n] <- getInts
  xxs <- replicateM (fromInteger n) getInts
  let xl = fromIntegral $ length $ nub $ map head xxs
  let yl = fromIntegral $ length $ nub $ map (head . tail) xxs
  print $ xl * h + yl * w - xl * yl - n

-- util
getInts :: IO [Integer]
getInts = map (fst . fromJust . B.readInteger) . B.words <$> B.getLine

substr :: Int -> Int -> B.ByteString -> B.ByteString
substr b l s = B.take l $ B.drop b s
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