結果

問題 No.216 FAC
ユーザー はむ吉🐹
提出日時 2015-10-24 14:03:34
言語 Haskell
(9.10.1)
結果
AC  
実行時間 3 ms / 1,000 ms
コード長 472 bytes
コンパイル時間 4,842 ms
コンパイル使用メモリ 173,824 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-10-15 00:43:07
合計ジャッジ時間 5,693 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 24
権限があれば一括ダウンロードができます
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:6:7: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘head’
    (imported from Prelude, 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."
  |
6 |     | head ss >= (maximum $ tail ss) = "YES"
  |       ^^^^

Main.hs:6:29: warning: [GHC-63394] [-Wx-partial]
    In the use of ‘tail’
    (imported from Prelude, 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."
  |
6 |     | head ss >= (maximum $ tail ss) = "YES"
  |                             ^^^^
[2 of 2] Linking a.out

ソースコード

diff #
プレゼンテーションモードにする

import Data.Array.Unboxed (accumArray, elems, UArray)
import Data.List (transpose)
judge :: Int -> [[Int]] -> String
judge m xs
    | head ss >= (maximum $ tail ss) = "YES"
    | otherwise                      = "NO"
    where
        ar = accumArray (+) 0 (0, m) $ map (\(b : a : _) -> (b, a)) xs :: UArray Int Int
        ss = elems ar
main :: IO ()
main = getLine >> getContents >>= putStrLn . judge 100 .
    transpose . map (map read) . map words . reverse . lines
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