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 07:49:40
言語 F#
(F# 4.0)
結果
WA  
実行時間 -
コード長 1,379 bytes
コンパイル時間 18,507 ms
コンパイル使用メモリ 185,328 KB
実行使用メモリ 37,664 KB
最終ジャッジ日時 2024-07-07 00:34:13
合計ジャッジ時間 46,507 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
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 361 ms
37,432 KB
testcase_01 AC 356 ms
36,124 KB
testcase_02 AC 77 ms
32,128 KB
testcase_03 AC 69 ms
31,104 KB
testcase_04 AC 69 ms
30,960 KB
testcase_05 AC 69 ms
30,844 KB
testcase_06 AC 69 ms
30,816 KB
testcase_07 AC 68 ms
30,976 KB
testcase_08 AC 69 ms
30,848 KB
testcase_09 AC 69 ms
30,720 KB
testcase_10 AC 69 ms
30,720 KB
testcase_11 AC 70 ms
30,976 KB
testcase_12 AC 68 ms
30,720 KB
testcase_13 AC 69 ms
31,088 KB
testcase_14 AC 351 ms
35,420 KB
testcase_15 AC 349 ms
35,996 KB
testcase_16 AC 348 ms
36,056 KB
testcase_17 AC 350 ms
35,944 KB
testcase_18 AC 349 ms
35,696 KB
testcase_19 AC 349 ms
35,776 KB
testcase_20 AC 349 ms
35,696 KB
testcase_21 AC 350 ms
35,820 KB
testcase_22 AC 350 ms
35,820 KB
testcase_23 AC 349 ms
35,936 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 362 ms
37,164 KB
testcase_35 AC 361 ms
37,408 KB
testcase_36 AC 363 ms
37,540 KB
testcase_37 AC 361 ms
37,152 KB
testcase_38 AC 364 ms
37,536 KB
testcase_39 AC 361 ms
37,152 KB
testcase_40 AC 362 ms
37,536 KB
testcase_41 AC 361 ms
37,420 KB
testcase_42 AC 362 ms
37,032 KB
testcase_43 AC 363 ms
37,160 KB
testcase_44 AC 361 ms
37,288 KB
testcase_45 AC 361 ms
37,476 KB
testcase_46 AC 363 ms
37,156 KB
testcase_47 AC 361 ms
37,664 KB
testcase_48 AC 361 ms
37,496 KB
testcase_49 AC 362 ms
37,420 KB
testcase_50 AC 363 ms
37,376 KB
testcase_51 AC 365 ms
37,280 KB
testcase_52 AC 361 ms
37,292 KB
testcase_53 AC 363 ms
37,352 KB
testcase_54 AC 360 ms
37,540 KB
testcase_55 AC 363 ms
37,528 KB
testcase_56 AC 363 ms
37,280 KB
testcase_57 AC 363 ms
37,276 KB
testcase_58 AC 361 ms
37,436 KB
testcase_59 AC 361 ms
37,388 KB
testcase_60 AC 78 ms
32,640 KB
testcase_61 AC 77 ms
32,512 KB
testcase_62 AC 361 ms
37,344 KB
testcase_63 AC 363 ms
36,488 KB
testcase_64 AC 77 ms
32,256 KB
testcase_65 AC 362 ms
37,284 KB
testcase_66 AC 78 ms
32,608 KB
testcase_67 AC 363 ms
36,620 KB
testcase_68 AC 78 ms
32,384 KB
testcase_69 AC 362 ms
37,160 KB
testcase_70 AC 363 ms
37,156 KB
testcase_71 AC 78 ms
32,512 KB
testcase_72 AC 79 ms
32,640 KB
testcase_73 AC 362 ms
37,376 KB
testcase_74 AC 364 ms
37,156 KB
testcase_75 AC 78 ms
32,384 KB
testcase_76 AC 77 ms
32,768 KB
testcase_77 AC 362 ms
37,164 KB
testcase_78 AC 362 ms
37,464 KB
testcase_79 AC 364 ms
37,140 KB
testcase_80 AC 78 ms
32,384 KB
testcase_81 AC 360 ms
37,388 KB
testcase_82 WA -
testcase_83 AC 356 ms
36,924 KB
testcase_84 AC 355 ms
37,248 KB
testcase_85 AC 355 ms
36,944 KB
testcase_86 AC 356 ms
37,064 KB
testcase_87 WA -
testcase_88 WA -
testcase_89 WA -
testcase_90 AC 354 ms
37,068 KB
testcase_91 AC 353 ms
37,064 KB
testcase_92 AC 69 ms
30,848 KB
testcase_93 AC 68 ms
30,720 KB
testcase_94 AC 353 ms
37,024 KB
testcase_95 AC 355 ms
36,940 KB
testcase_96 AC 354 ms
36,476 KB
testcase_97 AC 356 ms
37,076 KB
testcase_98 AC 353 ms
37,048 KB
testcase_99 AC 352 ms
37,068 KB
testcase_100 AC 69 ms
30,960 KB
testcase_101 AC 354 ms
36,792 KB
testcase_102 AC 348 ms
34,868 KB
testcase_103 AC 349 ms
35,424 KB
testcase_104 AC 350 ms
35,224 KB
testcase_105 AC 348 ms
35,236 KB
testcase_106 AC 349 ms
35,868 KB
testcase_107 AC 349 ms
36,208 KB
testcase_108 AC 350 ms
35,164 KB
testcase_109 AC 352 ms
34,876 KB
testcase_110 AC 353 ms
35,932 KB
testcase_111 AC 349 ms
35,292 KB
testcase_112 AC 354 ms
35,940 KB
testcase_113 AC 353 ms
35,104 KB
testcase_114 AC 351 ms
34,820 KB
testcase_115 AC 354 ms
35,160 KB
testcase_116 AC 350 ms
35,040 KB
testcase_117 AC 351 ms
35,872 KB
testcase_118 AC 350 ms
35,108 KB
testcase_119 AC 352 ms
35,240 KB
testcase_120 AC 351 ms
35,176 KB
testcase_121 AC 350 ms
35,088 KB
testcase_122 AC 365 ms
37,072 KB
testcase_123 AC 358 ms
35,424 KB
testcase_124 AC 355 ms
36,092 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 (394 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 -bigint c  * bigint a < bigint  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