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 |
(要ログイン)
| 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
okaduki