結果
問題 | No.204 ゴールデン・ウィーク(2) |
ユーザー |
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提出日時 | 2018-02-03 10:50:18 |
言語 | Haskell (9.10.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 735 bytes |
コンパイル時間 | 1,572 ms |
コンパイル使用メモリ | 174,208 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-11 15:19:06 |
合計ジャッジ時間 | 2,538 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 21 WA * 25 |
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:8:28: 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." | 8 | ans = case (length gs, head cs) of | ^^^^ Main.hs:12:27: 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 | (2, 'x') -> min 14 (head gs + d) | ^^^^ [2 of 2] Linking a.out
ソースコード
import Data.List main = do d <- readLn cs <- concat . words <$> getContents let gs = (map length . group) cs ans = case (length gs, head cs) of (1, 'o') -> 14 (1, 'x') -> d (2, 'o') -> min 14 (last gs + d) (2, 'x') -> min 14 (head gs + d) (3, 'o') -> let [x,y,z] = gs in if d>=y then x+y+z else max x z + d (3, 'x') -> let [x,y,z] = gs in max (y + min x d) (y + min z d) (_, 'o') -> maximum (iFilter even (zipWith3 (\x y z -> if d>=y then x+y+z else max x z + d) gs (drop 1 gs) (drop 2 gs))) (_, 'x') -> maximum (iFilter odd (zipWith3 (\x y z -> if d>=y then x+y+z else max x z + d) gs (drop 1 gs) (drop 2 gs))) print ans iFilter p xs = [x | (i,x) <- zip [0..] xs, p i]