結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | stoq |
提出日時 | 2020-03-15 07:48:03 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,966 bytes |
コンパイル時間 | 1,323 ms |
コンパイル使用メモリ | 169,596 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-05-03 08:12:50 |
合計ジャッジ時間 | 3,860 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 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 | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,948 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 1 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 1 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,944 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | AC | 2 ms
6,940 KB |
testcase_59 | AC | 2 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
6,940 KB |
testcase_63 | AC | 2 ms
6,944 KB |
testcase_64 | AC | 2 ms
6,940 KB |
testcase_65 | AC | 2 ms
6,940 KB |
testcase_66 | AC | 1 ms
6,944 KB |
testcase_67 | AC | 2 ms
6,944 KB |
testcase_68 | AC | 1 ms
6,944 KB |
testcase_69 | AC | 2 ms
6,940 KB |
testcase_70 | AC | 1 ms
6,944 KB |
testcase_71 | AC | 1 ms
6,940 KB |
testcase_72 | AC | 2 ms
6,948 KB |
testcase_73 | AC | 2 ms
6,940 KB |
testcase_74 | AC | 2 ms
6,944 KB |
testcase_75 | AC | 1 ms
6,940 KB |
testcase_76 | AC | 2 ms
6,944 KB |
testcase_77 | AC | 1 ms
6,944 KB |
testcase_78 | AC | 1 ms
6,944 KB |
testcase_79 | AC | 2 ms
6,940 KB |
testcase_80 | AC | 1 ms
6,944 KB |
testcase_81 | AC | 1 ms
6,944 KB |
testcase_82 | AC | 2 ms
6,944 KB |
testcase_83 | AC | 2 ms
6,940 KB |
testcase_84 | AC | 1 ms
6,940 KB |
testcase_85 | AC | 2 ms
6,940 KB |
testcase_86 | AC | 2 ms
6,940 KB |
testcase_87 | AC | 1 ms
6,944 KB |
testcase_88 | AC | 2 ms
6,940 KB |
testcase_89 | AC | 1 ms
6,940 KB |
testcase_90 | AC | 2 ms
6,944 KB |
testcase_91 | AC | 2 ms
6,940 KB |
testcase_92 | AC | 2 ms
6,940 KB |
testcase_93 | AC | 2 ms
6,940 KB |
testcase_94 | AC | 1 ms
6,940 KB |
testcase_95 | WA | - |
testcase_96 | WA | - |
testcase_97 | AC | 2 ms
6,940 KB |
testcase_98 | AC | 1 ms
6,940 KB |
testcase_99 | WA | - |
testcase_100 | AC | 1 ms
6,944 KB |
testcase_101 | AC | 1 ms
6,944 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 | 1 ms
6,940 KB |
testcase_123 | AC | 1 ms
6,940 KB |
testcase_124 | AC | 1 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; //#include <boost/multiprecision/cpp_int.hpp> //using multiInt = boost::multiprecision::cpp_int; using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; template <typename Q_type> using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>; const int MOD_TYPE = 1; const ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); const int INF = (int)1e9; const ll LINF = (ll)4e18; const ld DINF = 1e12; const ld PI = acos(-1.0); const ld EPS = 1e-11; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << endl #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << endl #define possible(n) cout << ((n) ? "possible" : "impossible") << endl #define Yay(n) cout << ((n) ? "Yay!" : ":(") << endl #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << endl; vector<int> Dx = {0, 0, -1, 1, -1, 1, -1, 1, 0}; vector<int> Dy = {1, -1, 0, 0, -1, -1, 1, 1, 0}; int main() { /* cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed);*/ ld a, b, c; cin >> a >> b >> c; if (a == 0) { if (b == 0) { cout << (c == 0 ? -1 : 0) << endl; } else { cout << 1 << endl << -c / b << endl; } } else { ld D = b * b - 4.0 * a * c; if (D > EPS) { cout << 2 << endl; ld x1 = (-b + sqrtl(D)) / (2.0 * a); ld x2 = (-b - sqrtl(D)) / (2.0 * a); if (x1 - x2 > -EPS) swap(x1, x2); printf("%.12llf\n%.12llf\n", x1, x2); } else if (D < -EPS) { cout << 0 << endl; } else { cout << 1 << endl; cout << (-b) / (2.0 * a) << endl; } } return 0; }