結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | ianCK |
提出日時 | 2019-12-18 04:19:04 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 1,496 bytes |
コンパイル時間 | 886 ms |
コンパイル使用メモリ | 84,740 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-07 00:30:58 |
合計ジャッジ時間 | 11,211 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | RE | - |
testcase_01 | RE | - |
testcase_02 | RE | - |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,940 KB |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | RE | - |
testcase_43 | RE | - |
testcase_44 | RE | - |
testcase_45 | RE | - |
testcase_46 | RE | - |
testcase_47 | RE | - |
testcase_48 | RE | - |
testcase_49 | RE | - |
testcase_50 | RE | - |
testcase_51 | RE | - |
testcase_52 | RE | - |
testcase_53 | RE | - |
testcase_54 | RE | - |
testcase_55 | RE | - |
testcase_56 | RE | - |
testcase_57 | RE | - |
testcase_58 | RE | - |
testcase_59 | RE | - |
testcase_60 | RE | - |
testcase_61 | RE | - |
testcase_62 | RE | - |
testcase_63 | RE | - |
testcase_64 | RE | - |
testcase_65 | RE | - |
testcase_66 | RE | - |
testcase_67 | RE | - |
testcase_68 | RE | - |
testcase_69 | RE | - |
testcase_70 | RE | - |
testcase_71 | RE | - |
testcase_72 | RE | - |
testcase_73 | RE | - |
testcase_74 | RE | - |
testcase_75 | RE | - |
testcase_76 | RE | - |
testcase_77 | RE | - |
testcase_78 | RE | - |
testcase_79 | RE | - |
testcase_80 | RE | - |
testcase_81 | RE | - |
testcase_82 | RE | - |
testcase_83 | RE | - |
testcase_84 | RE | - |
testcase_85 | RE | - |
testcase_86 | RE | - |
testcase_87 | RE | - |
testcase_88 | RE | - |
testcase_89 | RE | - |
testcase_90 | RE | - |
testcase_91 | RE | - |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | AC | 1 ms
6,940 KB |
testcase_94 | RE | - |
testcase_95 | RE | - |
testcase_96 | RE | - |
testcase_97 | RE | - |
testcase_98 | RE | - |
testcase_99 | RE | - |
testcase_100 | AC | 2 ms
6,944 KB |
testcase_101 | RE | - |
testcase_102 | AC | 1 ms
6,944 KB |
testcase_103 | AC | 1 ms
6,944 KB |
testcase_104 | AC | 2 ms
6,940 KB |
testcase_105 | AC | 2 ms
6,940 KB |
testcase_106 | AC | 2 ms
6,940 KB |
testcase_107 | AC | 1 ms
6,940 KB |
testcase_108 | AC | 2 ms
6,940 KB |
testcase_109 | AC | 1 ms
6,944 KB |
testcase_110 | AC | 1 ms
6,944 KB |
testcase_111 | AC | 1 ms
6,940 KB |
testcase_112 | AC | 2 ms
6,940 KB |
testcase_113 | AC | 2 ms
6,940 KB |
testcase_114 | AC | 2 ms
6,940 KB |
testcase_115 | AC | 2 ms
6,940 KB |
testcase_116 | AC | 2 ms
6,940 KB |
testcase_117 | AC | 2 ms
6,944 KB |
testcase_118 | AC | 1 ms
6,940 KB |
testcase_119 | AC | 1 ms
6,940 KB |
testcase_120 | AC | 2 ms
6,944 KB |
testcase_121 | AC | 2 ms
6,944 KB |
testcase_122 | RE | - |
testcase_123 | RE | - |
testcase_124 | RE | - |
ソースコード
#include <stdio.h> #include <iostream> #include <math.h> #include <assert.h> #include <iomanip> using namespace std; constexpr long double kEps = 1E-13, nEps = 1E-12, kInf = 1E20; int main() { long long int a, b, c; scanf("%lld%lld%lld", &a, &b, &c); if (a == 0) { if (b == 0) { if (c == 0) printf("-1\n"); else printf("0\n"); } else printf("1\n%.20lf\n", (double)((long double)c / (long double) -b)); } else { if (a < 0) { a = -a; b = -b; c = -c; } long double ta(a), tb(b), tc(c), d, sa, sb, l, r, mid; d = b * b - 4 * a * c; assert(a == 1000000000); if (b * b - 4 * a * c > 0) { cout << 2 << '\n'; d = sqrtl(d); l = -kInf; r = -tb / ta / 2 + kEps; for (int i = 0; i < 100000; i++) { mid = (l + r) / 2; if (ta * mid * mid + tb * mid + tc > kEps) l = mid; else if(ta * mid * mid + tb * mid + tc < - kEps) r = mid; } mid = (l + r) / 2; cout << setprecision(2000) << mid << '\n'; sa = a * mid * mid + b * mid + c; l = -tb / ta / 2 - kEps; r = kInf; for (int i = 0; i < 100000; i++) { mid = (l + r) / 2; if (ta * mid * mid + tb * mid + tc > kEps) r = mid; else if(ta * mid * mid + tb * mid + tc < - kEps) l = mid; } mid = (l + r) / 2; cout << setprecision(2000) << mid << '\n'; sa = a * mid * mid + b * mid + c; } else if (b * b - 4 * a * c < 0) printf("0\n"); else printf("1\n%.20lf\n", (double) (-tb / (ta * 2))); } }