結果
問題 | No.40 多項式の割り算 |
ユーザー | aimy |
提出日時 | 2017-08-27 13:27:00 |
言語 | Haskell (9.8.2) |
結果 |
AC
|
実行時間 | 29 ms / 5,000 ms |
コード長 | 396 bytes |
コンパイル時間 | 9,187 ms |
コンパイル使用メモリ | 171,264 KB |
実行使用メモリ | 11,904 KB |
最終ジャッジ日時 | 2024-11-06 06:40:25 |
合計ジャッジ時間 | 7,849 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,820 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 18 ms
10,112 KB |
testcase_05 | AC | 22 ms
10,880 KB |
testcase_06 | AC | 26 ms
11,648 KB |
testcase_07 | AC | 28 ms
11,904 KB |
testcase_08 | AC | 4 ms
6,820 KB |
testcase_09 | AC | 21 ms
11,008 KB |
testcase_10 | AC | 25 ms
11,392 KB |
testcase_11 | AC | 17 ms
9,856 KB |
testcase_12 | AC | 11 ms
8,960 KB |
testcase_13 | AC | 25 ms
11,264 KB |
testcase_14 | AC | 18 ms
10,112 KB |
testcase_15 | AC | 18 ms
9,984 KB |
testcase_16 | AC | 25 ms
11,520 KB |
testcase_17 | AC | 10 ms
8,832 KB |
testcase_18 | AC | 24 ms
11,136 KB |
testcase_19 | AC | 29 ms
11,776 KB |
testcase_20 | AC | 15 ms
9,856 KB |
testcase_21 | AC | 8 ms
8,704 KB |
testcase_22 | AC | 7 ms
8,192 KB |
testcase_23 | AC | 15 ms
9,984 KB |
testcase_24 | AC | 21 ms
11,008 KB |
testcase_25 | AC | 1 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,820 KB |
testcase_27 | AC | 2 ms
6,816 KB |
testcase_28 | AC | 1 ms
6,816 KB |
testcase_29 | AC | 2 ms
6,816 KB |
testcase_30 | AC | 2 ms
6,820 KB |
testcase_31 | AC | 2 ms
6,820 KB |
testcase_32 | AC | 1 ms
6,816 KB |
testcase_33 | AC | 2 ms
6,820 KB |
testcase_34 | AC | 2 ms
6,820 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:13:5: 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." | 13 | | head bs == 0 = poly (d - 1) (tail bs) | ^^^^ Main.hs:13:34: 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." | 13 | | head bs == 0 = poly (d - 1) (tail bs) | ^^^^ [2 of 2] Linking a.out
ソースコード
main = do d <- readLn bs <- map read . words <$> getLine let r = poly d (reverse bs) let n = length r - 1 print n putStrLn $ unwords (map show r) poly d bs | all (== 0) bs = [0] | d == 3 && bs!!0 == bs!!2 && bs!!1 == 0 = [0] | d < 3 = reverse (dropWhile (== 0) bs) | head bs == 0 = poly (d - 1) (tail bs) | otherwise = let (b1:b2:b3:br) = bs in poly (d - 1) (b2:(b3+b1):br)