結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | tochiji1 |
提出日時 | 2020-06-02 02:49:28 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,516 bytes |
コンパイル時間 | 2,137 ms |
コンパイル使用メモリ | 200,652 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-05-02 08:28:15 |
合計ジャッジ時間 | 4,001 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 1 ms
6,944 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 1 ms
6,944 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | AC | 1 ms
6,940 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 1 ms
6,940 KB |
testcase_36 | AC | 1 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,944 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 1 ms
6,940 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | AC | 1 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 1 ms
6,940 KB |
testcase_46 | AC | 1 ms
6,944 KB |
testcase_47 | AC | 1 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,940 KB |
testcase_49 | AC | 1 ms
6,944 KB |
testcase_50 | AC | 1 ms
6,944 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,940 KB |
testcase_53 | AC | 2 ms
6,940 KB |
testcase_54 | AC | 2 ms
6,944 KB |
testcase_55 | AC | 1 ms
6,944 KB |
testcase_56 | AC | 1 ms
6,944 KB |
testcase_57 | AC | 2 ms
6,940 KB |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 1 ms
6,944 KB |
testcase_60 | AC | 2 ms
6,940 KB |
testcase_61 | AC | 1 ms
6,940 KB |
testcase_62 | AC | 2 ms
6,944 KB |
testcase_63 | AC | 1 ms
6,944 KB |
testcase_64 | AC | 1 ms
6,940 KB |
testcase_65 | AC | 1 ms
6,944 KB |
testcase_66 | AC | 1 ms
6,940 KB |
testcase_67 | AC | 2 ms
6,944 KB |
testcase_68 | AC | 1 ms
6,940 KB |
testcase_69 | AC | 1 ms
6,944 KB |
testcase_70 | AC | 1 ms
6,944 KB |
testcase_71 | AC | 1 ms
6,944 KB |
testcase_72 | AC | 1 ms
6,944 KB |
testcase_73 | AC | 2 ms
6,944 KB |
testcase_74 | AC | 2 ms
6,940 KB |
testcase_75 | AC | 1 ms
6,940 KB |
testcase_76 | AC | 1 ms
6,940 KB |
testcase_77 | AC | 2 ms
6,940 KB |
testcase_78 | AC | 1 ms
6,940 KB |
testcase_79 | AC | 1 ms
6,940 KB |
testcase_80 | AC | 1 ms
6,944 KB |
testcase_81 | AC | 1 ms
6,940 KB |
testcase_82 | AC | 2 ms
6,944 KB |
testcase_83 | AC | 1 ms
6,940 KB |
testcase_84 | AC | 1 ms
6,944 KB |
testcase_85 | AC | 2 ms
6,944 KB |
testcase_86 | AC | 2 ms
6,940 KB |
testcase_87 | AC | 2 ms
6,940 KB |
testcase_88 | AC | 1 ms
6,944 KB |
testcase_89 | AC | 2 ms
6,944 KB |
testcase_90 | AC | 1 ms
6,940 KB |
testcase_91 | AC | 1 ms
6,940 KB |
testcase_92 | AC | 2 ms
6,944 KB |
testcase_93 | AC | 2 ms
6,944 KB |
testcase_94 | AC | 2 ms
6,940 KB |
testcase_95 | AC | 2 ms
6,940 KB |
testcase_96 | AC | 2 ms
6,944 KB |
testcase_97 | AC | 2 ms
6,940 KB |
testcase_98 | AC | 1 ms
6,944 KB |
testcase_99 | AC | 2 ms
6,940 KB |
testcase_100 | AC | 1 ms
6,940 KB |
testcase_101 | AC | 2 ms
6,940 KB |
testcase_102 | WA | - |
testcase_103 | WA | - |
testcase_104 | WA | - |
testcase_105 | WA | - |
testcase_106 | WA | - |
testcase_107 | WA | - |
testcase_108 | WA | - |
testcase_109 | WA | - |
testcase_110 | WA | - |
testcase_111 | WA | - |
testcase_112 | WA | - |
testcase_113 | WA | - |
testcase_114 | WA | - |
testcase_115 | WA | - |
testcase_116 | WA | - |
testcase_117 | WA | - |
testcase_118 | WA | - |
testcase_119 | WA | - |
testcase_120 | WA | - |
testcase_121 | WA | - |
testcase_122 | AC | 2 ms
6,944 KB |
testcase_123 | AC | 2 ms
6,940 KB |
testcase_124 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i, n) for (ll i = 0; i < (n); i++) #define all(x) (x).begin(), (x).end() using ll = long long; using ld = long double; using namespace std; template <typename T> using vec = std::vector<T>; int main() { ll a, b, c; cin >> a >> b >> c; if(!a&&!b&&!c){ cout << -1 << endl; return 0; } else if(!a&&!b){ cout << 0 << endl; return 0; } else if(!a){ cout << 1 << endl; long double ans = (ld)c/(ld)b; cout << fixed << setprecision(15); cout << ans << endl; return 0; } ll D = b * b - 4 * a * c; ld dd = (ld)b * (ld)b - (ld)4 * (ld)a * (ld)c; if (D > 0) { cout << 2 << endl; if(-b>0){ long double ans1 = ((ld)-b+sqrtl(dd))/((ld)2*a); long double ans2 = ((ld)c/(ld)a)/(ld)ans1; cout << fixed << setprecision(16); cout << (ans1>=ans2?ans2:ans1) << endl; cout << (ans1>=ans2?ans1:ans2) << endl; } else { long double ans1 = ((ld)-b-sqrtl(dd))/((ld)2*a); long double ans2 = ((ld)c/(ld)a)/(ld)ans1; cout << fixed << setprecision(16); cout << (ans1>=ans2?ans2:ans1) << endl; cout << (ans1>=ans2?ans1:ans2) << endl; } } else if (D == 0) { cout << 1 << endl; long double ans = -(ld)b/((ld)2*a); cout << fixed << setprecision(15); cout << ans << endl; } else { cout << 0 << endl; } }