結果

問題 No.216 FAC
ユーザー Michae'GonMichae'Gon
提出日時 2015-07-17 15:56:32
言語 Haskell
(9.10.1)
結果
WA  
実行時間 -
コード長 462 bytes
コンパイル時間 8,624 ms
コンパイル使用メモリ 176,128 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-07-08 08:24:45
合計ジャッジ時間 9,199 ms
ジャッジサーバーID
（参考情報） 		judge1 / 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 * 22 WA * 2
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:11:31: 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."
   |
11 |             | y == 0 = (acc + head x', max mnum $ head x', xs')
   |                               ^^^^

Main.hs:11:51: 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."
   |
11 |             | y == 0 = (acc + head x', max mnum $ head x', xs')
   |                                                   ^^^^

Main.hs:12:44: 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."
   |
12 |             | otherwise = (acc, max mnum $ head x', xs')
   |                                            ^^^^
[2 of 2] Linking a.out

ソースコード

diff # 

import Data.List
main = getLine >> getContents >>= putStrLn . solve . map (map read . words) . lines

solve :: [[Int]] -> String
solve [zs, ys]
    | acc' < mnum' = "NO"
    | otherwise = "YES"
    where
        (acc', mnum', _) = foldl ff (0, 0, zs) ys
        ff (acc, mnum, xs) y
            | y == 0 = (acc + head x', max mnum $ head x', xs')
            | otherwise = (acc, max mnum $ head x', xs')
            where
                (x', xs') = splitAt 1 xs
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