結果
| 問題 | No.11 カードマッチ | 
| コンテスト | |
| ユーザー |  okaduki | 
| 提出日時 | 2017-05-20 22:22:20 | 
| 言語 | Haskell (9.10.1) | 
| 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 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 19 | 
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
{-# 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
            
            
            
        