結果
問題 | No.366 ロボットソート |
ユーザー | ducktail |
提出日時 | 2018-05-29 12:37:03 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 724 bytes |
コンパイル時間 | 5,711 ms |
コンパイル使用メモリ | 171,520 KB |
実行使用メモリ | 8,448 KB |
最終ジャッジ日時 | 2024-06-30 08:00:45 |
合計ジャッジ時間 | 6,507 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 4 ms
6,144 KB |
testcase_12 | AC | 4 ms
6,784 KB |
testcase_13 | AC | 5 ms
7,296 KB |
testcase_14 | AC | 6 ms
8,192 KB |
testcase_15 | AC | 4 ms
6,144 KB |
testcase_16 | AC | 5 ms
7,040 KB |
testcase_17 | AC | 6 ms
7,808 KB |
testcase_18 | AC | 8 ms
8,448 KB |
testcase_19 | AC | 6 ms
7,936 KB |
testcase_20 | AC | 1 ms
5,376 KB |
testcase_21 | AC | 10 ms
8,192 KB |
testcase_22 | AC | 10 ms
8,192 KB |
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:21:37: warning: [GHC-63394] [-Wx-partial] In the use of ‘tail’ (imported from Prelude, but defined in GHC.List): "This is a partial function, it throws an error on empty lists. Replace it with drop 1, or use pattern matching or Data.List.uncons instead. Consider refactoring to use Data.List.NonEmpty." | 21 | isSorted xs = and $ zipWith (<) xs (tail xs) | ^^^^ [2 of 2] Linking a.out
ソースコード
import Control.Applicative ((<$>), (<*>)) import Data.List (transpose, foldl', sort) import Data.List.Split (chunksOf) main :: IO () main = solve <$> f <*> f >>= print where f = map read <$> words <$> getLine solve :: [Int] -> [Int] -> Int solve [_, k] = g . foldr f (0, []) . transpose . chunksOf k where f xs (ct, ls) = let (ct', ls') = (swapCount xs, sort xs) in (ct + ct', ls' : ls) g (ct, xs) | (isSorted . concat . transpose) xs = ct | otherwise = -1 swapCount = fst . foldl' f (0, []) where f (ct, ys) x = let ct' = length . filter (x<) $ ys in (ct + ct', x:ys) isSorted :: [Int] -> Bool isSorted xs = and $ zipWith (<) xs (tail xs)