結果
| 問題 |
No.110 しましまピラミッド
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-06-19 18:29:43 |
| 言語 | Haskell (9.10.1) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 5,000 ms |
| コード長 | 439 bytes |
| コンパイル時間 | 8,579 ms |
| コンパイル使用メモリ | 170,112 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-12-31 11:32:19 |
| 合計ジャッジ時間 | 5,605 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 26 |
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:4:25: 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."
|
4 | py ws bs = max (iter 0 (head ws)) (iter 1 (head bs)) where
| ^^^^
Main.hs:4:44: 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."
|
4 | py ws bs = max (iter 0 (head ws)) (iter 1 (head bs)) where
| ^^^^
Main.hs:7:39: 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."
|
7 | | otherwise = 1 + iter (1-i) (head l)
| ^^^^
[2 of 2] Linking a.out
ソースコード
import Data.List
py :: [Int] -> [Int] -> Int
py ws bs = max (iter 0 (head ws)) (iter 1 (head bs)) where
iter i n
| null l = 1
| otherwise = 1 + iter (1-i) (head l)
where
l | i == 0 = filter (>n) bs
| otherwise = filter (>n) ws
main = do
getLine
ws <- sort . map read . words <$> getLine
getLine
bs <- sort . map read . words <$> getLine
print $ py ws bs