結果

問題 No.955 ax^2+bx+c=0
ユーザー しぶつまひしぶつまひ
提出日時 2019-12-18 07:45:25
言語 F#
(F# 4.0)
結果
WA  
実行時間 -
コード長 1,354 bytes
コンパイル時間 19,272 ms
コンパイル使用メモリ 192,160 KB
実行使用メモリ 37,548 KB
最終ジャッジ日時 2024-07-07 00:33:16
合計ジャッジ時間 56,248 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
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 362 ms
36,940 KB
testcase_01 AC 355 ms
37,076 KB
testcase_02 AC 77 ms
32,128 KB
testcase_03 AC 68 ms
30,976 KB
testcase_04 AC 70 ms
30,976 KB
testcase_05 AC 69 ms
30,976 KB
testcase_06 AC 68 ms
30,976 KB
testcase_07 AC 68 ms
30,944 KB
testcase_08 AC 68 ms
30,956 KB
testcase_09 AC 69 ms
30,976 KB
testcase_10 AC 69 ms
30,720 KB
testcase_11 AC 68 ms
31,084 KB
testcase_12 AC 69 ms
30,976 KB
testcase_13 AC 69 ms
30,976 KB
testcase_14 AC 350 ms
34,996 KB
testcase_15 AC 349 ms
35,948 KB
testcase_16 AC 350 ms
35,112 KB
testcase_17 AC 351 ms
35,008 KB
testcase_18 AC 349 ms
35,404 KB
testcase_19 AC 350 ms
35,004 KB
testcase_20 AC 350 ms
35,688 KB
testcase_21 AC 352 ms
35,228 KB
testcase_22 AC 355 ms
35,384 KB
testcase_23 AC 350 ms
36,076 KB
testcase_24 WA -
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 AC 360 ms
37,528 KB
testcase_35 AC 367 ms
37,292 KB
testcase_36 AC 364 ms
37,284 KB
testcase_37 AC 363 ms
37,416 KB
testcase_38 AC 361 ms
37,448 KB
testcase_39 AC 361 ms
37,504 KB
testcase_40 AC 360 ms
37,528 KB
testcase_41 AC 361 ms
37,280 KB
testcase_42 AC 365 ms
37,544 KB
testcase_43 AC 361 ms
37,424 KB
testcase_44 AC 370 ms
37,416 KB
testcase_45 AC 362 ms
37,412 KB
testcase_46 AC 363 ms
37,528 KB
testcase_47 AC 363 ms
37,292 KB
testcase_48 AC 362 ms
37,388 KB
testcase_49 AC 361 ms
37,284 KB
testcase_50 AC 362 ms
37,288 KB
testcase_51 AC 361 ms
36,756 KB
testcase_52 AC 361 ms
37,548 KB
testcase_53 AC 384 ms
37,392 KB
testcase_54 AC 380 ms
37,416 KB
testcase_55 AC 361 ms
37,280 KB
testcase_56 AC 361 ms
37,416 KB
testcase_57 AC 362 ms
37,424 KB
testcase_58 AC 361 ms
37,316 KB
testcase_59 AC 362 ms
37,264 KB
testcase_60 AC 78 ms
32,128 KB
testcase_61 AC 77 ms
32,488 KB
testcase_62 AC 361 ms
37,032 KB
testcase_63 AC 364 ms
36,444 KB
testcase_64 AC 79 ms
32,640 KB
testcase_65 AC 361 ms
37,164 KB
testcase_66 AC 77 ms
32,380 KB
testcase_67 AC 362 ms
37,420 KB
testcase_68 AC 78 ms
32,380 KB
testcase_69 AC 363 ms
37,396 KB
testcase_70 AC 361 ms
37,160 KB
testcase_71 AC 83 ms
32,384 KB
testcase_72 AC 77 ms
32,768 KB
testcase_73 AC 363 ms
37,032 KB
testcase_74 AC 361 ms
36,244 KB
testcase_75 AC 78 ms
32,768 KB
testcase_76 AC 78 ms
32,380 KB
testcase_77 AC 363 ms
37,416 KB
testcase_78 AC 360 ms
37,412 KB
testcase_79 AC 358 ms
37,272 KB
testcase_80 AC 77 ms
32,380 KB
testcase_81 AC 363 ms
37,292 KB
testcase_82 WA -
testcase_83 AC 356 ms
36,496 KB
testcase_84 AC 356 ms
36,124 KB
testcase_85 AC 354 ms
36,260 KB
testcase_86 AC 356 ms
37,028 KB
testcase_87 WA -
testcase_88 WA -
testcase_89 WA -
testcase_90 AC 355 ms
36,928 KB
testcase_91 AC 358 ms
36,256 KB
testcase_92 AC 69 ms
30,720 KB
testcase_93 AC 69 ms
30,944 KB
testcase_94 AC 355 ms
36,476 KB
testcase_95 AC 354 ms
37,072 KB
testcase_96 AC 354 ms
36,128 KB
testcase_97 AC 353 ms
36,264 KB
testcase_98 AC 354 ms
35,980 KB
testcase_99 AC 357 ms
36,136 KB
testcase_100 AC 69 ms
30,976 KB
testcase_101 AC 356 ms
36,252 KB
testcase_102 AC 349 ms
35,816 KB
testcase_103 AC 349 ms
35,040 KB
testcase_104 AC 350 ms
34,996 KB
testcase_105 AC 348 ms
36,072 KB
testcase_106 AC 349 ms
35,060 KB
testcase_107 AC 351 ms
35,000 KB
testcase_108 AC 348 ms
35,308 KB
testcase_109 AC 348 ms
35,908 KB
testcase_110 AC 350 ms
36,068 KB
testcase_111 AC 352 ms
35,944 KB
testcase_112 AC 350 ms
35,820 KB
testcase_113 AC 362 ms
35,816 KB
testcase_114 AC 347 ms
36,072 KB
testcase_115 AC 350 ms
35,000 KB
testcase_116 AC 348 ms
35,204 KB
testcase_117 AC 349 ms
36,196 KB
testcase_118 AC 349 ms
36,072 KB
testcase_119 AC 350 ms
35,372 KB
testcase_120 AC 350 ms
36,288 KB
testcase_121 AC 349 ms
35,864 KB
testcase_122 AC 360 ms
37,420 KB
testcase_123 AC 355 ms
36,196 KB
testcase_124 AC 358 ms
36,388 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
  復元対象のプロジェクトを決定しています...
  /home/judge/data/code/main.fsproj を復元しました (360 ms)。
MSBuild のバージョン 17.9.6+a4ecab324 (.NET)
  main -> /home/judge/data/code/bin/Release/net8.0/main.dll
  main -> /home/judge/data/code/bin/Release/net8.0/publish/

ソースコード

diff #

let e30 = bigint 1e30 
let e16 = bigint 1e16
let abc =
  stdin.ReadLine().Split(' ')
  |> Array.map int
  

let conv (x:bigint)=
    let y = string <| abs x / e30
    let z = string <| (abs x % e30) + e30
    let s = if x < bigint 0 then "-" else ""
    s + y + "." + (z.Substring(1))

let pr (xs:bigint list) =
    printfn "%d" (List.length xs)
    List.sort xs
    |> List.map conv
    |> List.iter (printfn "%s")

let sq (x:bigint) =
  let rec f e y z =
    if abs (x * e30 - e * e) < e16 * e30 then
      e
    elif e * e < x * e30 then
      f ((e+z)/bigint 2) e z
    else
      f ((y+e)/bigint 2) y e
  f (x/bigint 2) (bigint 0) x
     

match abc with
| [|0;0;0|] -> printfn "-1"
| [|0;0;_|] -> printfn "0"
| [|0;b;c|] -> pr [-bigint c * e30 / bigint b]
| [|a;0;0|] -> printfn "0"
| [|a;0;c|] when -c / a < 0 -> printfn "0"
| [|a;0;c|] -> let e = -bigint c * e30 / bigint a in let ee = sq e in pr [-ee; ee]
| [|a;b;0|] -> pr [bigint 0; -bigint b * e30 /bigint a]
| [|a;b;c|] ->
    let d = bigint b * bigint b - bigint 4 * bigint a * bigint c
    if d < bigint 0 then
      printfn "0"
    elif d = bigint 0 then
      pr [- bigint b * e30 / (bigint 2 * bigint a)]
    else
      let y = (-bigint b * e30 + sq (d *e30)) / (bigint 2 * bigint a)
      let z = (-bigint b * e30 - sq (d * e30)) / (bigint 2 * bigint a)
      pr [y;z]
| _ -> ()
    

0