結果
| 問題 | 
                            No.216 FAC
                             | 
                    
| コンテスト | |
| ユーザー | 
                             | 
                    
| 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 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 22 WA * 2 | 
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
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