結果

問題 No.955 ax^2+bx+c=0
ユーザー LeonardoneLeonardone
提出日時 2019-12-18 03:09:47
言語 Haskell
(9.8.2)
結果
RE  
実行時間 -
コード長 965 bytes
コンパイル時間 8,159 ms
コンパイル使用メモリ 173,540 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-07-07 00:20:55
合計ジャッジ時間 6,577 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge3
このコードへのチャレンジ
（要ログイン）

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 1 ms
6,812 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 1 ms
6,940 KB
testcase_03 AC 2 ms
6,940 KB
testcase_04 RE -
testcase_05 RE -
testcase_06 RE -
testcase_07 RE -
testcase_08 RE -
testcase_09 RE -
testcase_10 RE -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 AC 1 ms
6,944 KB
testcase_15 AC 1 ms
6,940 KB
testcase_16 AC 1 ms
6,944 KB
testcase_17 AC 1 ms
6,944 KB
testcase_18 AC 1 ms
6,944 KB
testcase_19 AC 1 ms
6,940 KB
testcase_20 AC 1 ms
6,944 KB
testcase_21 AC 2 ms
6,940 KB
testcase_22 AC 1 ms
6,944 KB
testcase_23 AC 1 ms
6,940 KB
testcase_24 AC 1 ms
6,944 KB
testcase_25 AC 1 ms
6,940 KB
testcase_26 AC 1 ms
6,940 KB
testcase_27 AC 1 ms
6,940 KB
testcase_28 AC 2 ms
6,940 KB
testcase_29 AC 1 ms
6,940 KB
testcase_30 AC 1 ms
6,940 KB
testcase_31 AC 2 ms
6,944 KB
testcase_32 AC 2 ms
6,940 KB
testcase_33 AC 2 ms
6,944 KB
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 WA -
testcase_47 WA -
testcase_48 WA -
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 WA -
testcase_54 WA -
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 AC 1 ms
6,944 KB
testcase_59 AC 1 ms
6,944 KB
testcase_60 AC 1 ms
6,944 KB
testcase_61 AC 1 ms
6,944 KB
testcase_62 AC 1 ms
6,944 KB
testcase_63 AC 1 ms
6,944 KB
testcase_64 AC 1 ms
6,944 KB
testcase_65 AC 2 ms
6,940 KB
testcase_66 AC 1 ms
6,940 KB
testcase_67 AC 2 ms
6,940 KB
testcase_68 AC 1 ms
6,940 KB
testcase_69 AC 1 ms
6,940 KB
testcase_70 AC 1 ms
6,940 KB
testcase_71 AC 2 ms
6,944 KB
testcase_72 AC 1 ms
6,944 KB
testcase_73 AC 1 ms
6,944 KB
testcase_74 AC 1 ms
6,940 KB
testcase_75 AC 1 ms
6,940 KB
testcase_76 AC 1 ms
6,940 KB
testcase_77 AC 1 ms
6,940 KB
testcase_78 AC 2 ms
6,940 KB
testcase_79 AC 2 ms
6,944 KB
testcase_80 AC 2 ms
6,944 KB
testcase_81 AC 1 ms
6,940 KB
testcase_82 AC 1 ms
6,940 KB
testcase_83 AC 1 ms
6,940 KB
testcase_84 AC 1 ms
6,940 KB
testcase_85 AC 2 ms
6,944 KB
testcase_86 AC 1 ms
6,940 KB
testcase_87 AC 1 ms
6,940 KB
testcase_88 AC 1 ms
6,944 KB
testcase_89 AC 1 ms
6,940 KB
testcase_90 AC 1 ms
6,944 KB
testcase_91 AC 1 ms
6,940 KB
testcase_92 RE -
testcase_93 RE -
testcase_94 AC 2 ms
6,944 KB
testcase_95 AC 1 ms
6,940 KB
testcase_96 AC 1 ms
6,944 KB
testcase_97 AC 1 ms
6,944 KB
testcase_98 AC 1 ms
6,944 KB
testcase_99 AC 1 ms
6,944 KB
testcase_100 RE -
testcase_101 AC 1 ms
6,940 KB
testcase_102 AC 1 ms
6,944 KB
testcase_103 AC 1 ms
6,940 KB
testcase_104 AC 1 ms
6,944 KB
testcase_105 AC 1 ms
6,940 KB
testcase_106 AC 1 ms
6,944 KB
testcase_107 AC 2 ms
6,940 KB
testcase_108 AC 1 ms
6,940 KB
testcase_109 AC 2 ms
6,940 KB
testcase_110 AC 2 ms
6,944 KB
testcase_111 AC 1 ms
6,944 KB
testcase_112 AC 2 ms
6,944 KB
testcase_113 AC 1 ms
6,944 KB
testcase_114 AC 2 ms
6,940 KB
testcase_115 AC 1 ms
6,940 KB
testcase_116 AC 1 ms
6,940 KB
testcase_117 AC 1 ms
6,940 KB
testcase_118 AC 1 ms
6,940 KB
testcase_119 AC 2 ms
6,940 KB
testcase_120 AC 1 ms
6,940 KB
testcase_121 AC 1 ms
6,940 KB
testcase_122 WA -
testcase_123 AC 2 ms
6,940 KB
testcase_124 AC 2 ms
6,940 KB
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:4:75: 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."
  |
4 | main = interact $ unlines . concat . zipWith ($) [return . show . floor . head, map show . tail] . repeat . solve . map read . words
  |                                                                           ^^^^

Main.hs:4:92: 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."
  |
4 | main = interact $ unlines . concat . zipWith ($) [return . show . floor . head, map show . tail] . repeat . solve . map read . words
  |                                                                                            ^^^^
[2 of 2] Linking a.out

ソースコード

diff # 

-- Try yukicoder
-- author: Leonardone @ NEETSDKASU

main = interact $ unlines . concat . zipWith ($) [return . show . floor . head, map show . tail] . repeat . solve . map read . words

solve (0:0:0:_) = [-1]
solve (0:0:_:_) = undefined
solve (0:b:c:_) = [1, fromIntegral (-c) / fromIntegral b]
solve (a:0:0:_) = [1, 0]
solve (a:0:c:_) | e < 0     = [0]
                | otherwise = [2, - sqrt e, sqrt e]
                where e = fromIntegral (-c) / fromIntegral a
solve (a:b:0:_) = [2, min 0 x, max 0 x]
                where x = fromIntegral (-b) / fromIntegral a
solve (a:b:c:_) | d < 0  = [0]
                | d == 0 = [1, fromIntegral (-b) / fromIntegral (2*a)]
                | d > 0  = [2, min y z, max y z]
                where d = b * b - 4 * a * c
                      y = (fromIntegral (-b) + sqrt (fromIntegral d)) / fromIntegral (2*a)
                      z = (fromIntegral (-b) - sqrt (fromIntegral d)) / fromIntegral (2*a)
solve _ = undefined
0