結果

問題 No.138 化石のバージョン
ユーザー dsplit
提出日時 2019-08-15 15:13:31
言語 Haskell
(9.10.1)
結果
WA  
実行時間 -
コード長 425 bytes
コンパイル時間 2,596 ms
コンパイル使用メモリ 174,336 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-19 15:19:00
合計ジャッジ時間 2,267 ms
ジャッジサーバーID
（参考情報） 		judge2 / 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 * 20 WA * 13
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:7:19: 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."
  |
7 | solve [a, b] = if head a < head b 
  |                   ^^^^

Main.hs:7:28: 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."
  |
7 | solve [a, b] = if head a < head b 
  |                            ^^^^

Main.hs:9:26: 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."
  |
9 |                 else if (head $ drop 1 a) < (head $ drop 1 b) 
  |                          ^^^^

Main.hs:9:46: 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."
  |
9 |                 else if (head $ drop 1 a) < (head $ drop 1 b) 
  |                                              ^^^^

Main.hs:11:34: 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

ソースコード

diff # 

import Data.List.Split

main :: IO ()
main = interact $ solve . map (splitOn ".") . words

solve :: [[String]] -> String
solve [a, b] = if head a < head b 
                then "NO"
                else if (head $ drop 1 a) < (head $ drop 1 b) 
                        then "NO"
                        else if (head $ drop 2 a) < (head $ drop 2 b)
                            then "NO"
                            else "YES"
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