結果

問題 No.955 ax^2+bx+c=0
ユーザー LeonardoneLeonardone
提出日時 2019-12-18 04:54:18
言語 Haskell
(9.8.2)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 1,307 bytes
コンパイル時間 9,634 ms
コンパイル使用メモリ 179,764 KB
実行使用メモリ 5,572 KB
最終ジャッジ日時 2023-10-19 02:09:27
合計ジャッジ時間 13,221 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge11
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 2 ms
5,456 KB
testcase_01 AC 3 ms
5,412 KB
testcase_02 AC 2 ms
5,332 KB
testcase_03 AC 3 ms
5,332 KB
testcase_04 AC 2 ms
5,332 KB
testcase_05 AC 3 ms
5,332 KB
testcase_06 AC 2 ms
5,332 KB
testcase_07 AC 2 ms
5,332 KB
testcase_08 AC 3 ms
5,332 KB
testcase_09 AC 2 ms
5,336 KB
testcase_10 AC 3 ms
5,332 KB
testcase_11 AC 2 ms
5,336 KB
testcase_12 AC 3 ms
5,332 KB
testcase_13 AC 2 ms
5,336 KB
testcase_14 AC 3 ms
5,400 KB
testcase_15 AC 2 ms
5,400 KB
testcase_16 AC 2 ms
5,400 KB
testcase_17 AC 3 ms
5,400 KB
testcase_18 AC 2 ms
5,400 KB
testcase_19 AC 2 ms
5,404 KB
testcase_20 AC 3 ms
5,400 KB
testcase_21 AC 3 ms
5,404 KB
testcase_22 AC 2 ms
5,400 KB
testcase_23 AC 2 ms
5,404 KB
testcase_24 AC 2 ms
5,396 KB
testcase_25 AC 2 ms
5,400 KB
testcase_26 AC 2 ms
5,396 KB
testcase_27 AC 2 ms
5,400 KB
testcase_28 AC 2 ms
5,400 KB
testcase_29 AC 2 ms
5,404 KB
testcase_30 AC 2 ms
5,400 KB
testcase_31 AC 3 ms
5,404 KB
testcase_32 AC 3 ms
5,400 KB
testcase_33 AC 3 ms
5,404 KB
testcase_34 AC 3 ms
5,556 KB
testcase_35 AC 3 ms
5,556 KB
testcase_36 AC 3 ms
5,556 KB
testcase_37 AC 3 ms
5,560 KB
testcase_38 AC 3 ms
5,560 KB
testcase_39 AC 3 ms
5,560 KB
testcase_40 AC 3 ms
5,560 KB
testcase_41 AC 3 ms
5,560 KB
testcase_42 AC 3 ms
5,560 KB
testcase_43 AC 3 ms
5,560 KB
testcase_44 AC 3 ms
5,560 KB
testcase_45 AC 3 ms
5,560 KB
testcase_46 AC 3 ms
5,560 KB
testcase_47 AC 3 ms
5,560 KB
testcase_48 AC 3 ms
5,560 KB
testcase_49 AC 2 ms
5,560 KB
testcase_50 AC 3 ms
5,560 KB
testcase_51 AC 3 ms
5,560 KB
testcase_52 AC 3 ms
5,560 KB
testcase_53 AC 3 ms
5,560 KB
testcase_54 AC 3 ms
5,560 KB
testcase_55 AC 3 ms
5,564 KB
testcase_56 AC 3 ms
5,564 KB
testcase_57 AC 3 ms
5,564 KB
testcase_58 AC 2 ms
5,416 KB
testcase_59 AC 3 ms
5,424 KB
testcase_60 AC 2 ms
5,344 KB
testcase_61 AC 3 ms
5,348 KB
testcase_62 AC 3 ms
5,564 KB
testcase_63 AC 3 ms
5,568 KB
testcase_64 AC 3 ms
5,344 KB
testcase_65 AC 3 ms
5,564 KB
testcase_66 AC 3 ms
5,348 KB
testcase_67 AC 3 ms
5,572 KB
testcase_68 AC 2 ms
5,340 KB
testcase_69 AC 3 ms
5,568 KB
testcase_70 AC 3 ms
5,568 KB
testcase_71 AC 3 ms
5,344 KB
testcase_72 AC 2 ms
5,340 KB
testcase_73 AC 3 ms
5,564 KB
testcase_74 AC 3 ms
5,564 KB
testcase_75 AC 2 ms
5,344 KB
testcase_76 AC 2 ms
5,344 KB
testcase_77 AC 3 ms
5,560 KB
testcase_78 AC 3 ms
5,564 KB
testcase_79 AC 3 ms
5,544 KB
testcase_80 AC 3 ms
5,344 KB
testcase_81 AC 3 ms
5,560 KB
testcase_82 AC 2 ms
5,404 KB
testcase_83 AC 2 ms
5,412 KB
testcase_84 AC 2 ms
5,412 KB
testcase_85 AC 3 ms
5,412 KB
testcase_86 AC 3 ms
5,412 KB
testcase_87 AC 3 ms
5,404 KB
testcase_88 AC 3 ms
5,400 KB
testcase_89 AC 2 ms
5,400 KB
testcase_90 AC 2 ms
5,408 KB
testcase_91 AC 2 ms
5,412 KB
testcase_92 AC 2 ms
5,332 KB
testcase_93 AC 2 ms
5,336 KB
testcase_94 AC 3 ms
5,412 KB
testcase_95 AC 3 ms
5,408 KB
testcase_96 AC 3 ms
5,412 KB
testcase_97 AC 3 ms
5,416 KB
testcase_98 AC 3 ms
5,412 KB
testcase_99 AC 3 ms
5,412 KB
testcase_100 AC 3 ms
5,332 KB
testcase_101 AC 2 ms
5,408 KB
testcase_102 AC 2 ms
5,408 KB
testcase_103 AC 3 ms
5,408 KB
testcase_104 AC 2 ms
5,404 KB
testcase_105 AC 2 ms
5,408 KB
testcase_106 AC 2 ms
5,408 KB
testcase_107 AC 2 ms
5,408 KB
testcase_108 AC 3 ms
5,408 KB
testcase_109 AC 3 ms
5,408 KB
testcase_110 AC 2 ms
5,412 KB
testcase_111 AC 2 ms
5,412 KB
testcase_112 AC 3 ms
5,412 KB
testcase_113 AC 3 ms
5,408 KB
testcase_114 AC 3 ms
5,404 KB
testcase_115 AC 3 ms
5,408 KB
testcase_116 AC 3 ms
5,408 KB
testcase_117 AC 2 ms
5,412 KB
testcase_118 AC 2 ms
5,412 KB
testcase_119 AC 3 ms
5,408 KB
testcase_120 AC 3 ms
5,408 KB
testcase_121 AC 2 ms
5,408 KB
testcase_122 AC 3 ms
5,556 KB
testcase_123 AC 3 ms
5,408 KB
testcase_124 AC 3 ms
5,412 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-9.6.2/environments/default
[1 of 2] Compiling Main             ( Main.hs, Main.o )
[2 of 2] Linking a.out

ソースコード

diff # 

-- Try yukicoder
-- author: Leonardone @ NEETSDKASU

import Data.Fixed

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

data E30 
instance HasResolution E30 where
    resolution _ = 10 ^ 30
    
type Foo = Fixed E30

solve :: [Integer] -> [Foo]

solve (0:0:0:_) = [-1]
solve (0:0:_:_) = [0]
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


sqrt' x = fst $ until (f x) (g x) (x,(0,x))

f x (e,_) = abs (x - e * e) < 1e-15
g x (_,(y,z)) | e * e < x = (e, (e, z))
              | otherwise = (e, (y, e))
              where e = (y + z) / 2
0