結果
問題 | No.955 ax^2+bx+c=0 |
ユーザー | FF256grhy |
提出日時 | 2019-12-18 01:31:31 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,432 bytes |
コンパイル時間 | 1,701 ms |
コンパイル使用メモリ | 172,288 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-07 00:11:22 |
合計ジャッジ時間 | 3,742 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 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
6,940 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 | 1 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,944 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,948 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 2 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | AC | 2 ms
6,940 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 | 1 ms
6,944 KB |
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
6,940 KB |
testcase_60 | AC | 1 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
6,940 KB |
testcase_64 | AC | 1 ms
6,940 KB |
testcase_65 | AC | 1 ms
6,940 KB |
testcase_66 | AC | 1 ms
6,944 KB |
testcase_67 | AC | 2 ms
6,940 KB |
testcase_68 | AC | 1 ms
6,940 KB |
testcase_69 | AC | 2 ms
6,940 KB |
testcase_70 | AC | 2 ms
6,944 KB |
testcase_71 | AC | 2 ms
6,940 KB |
testcase_72 | AC | 2 ms
6,940 KB |
testcase_73 | AC | 2 ms
6,944 KB |
testcase_74 | AC | 2 ms
6,940 KB |
testcase_75 | AC | 1 ms
6,944 KB |
testcase_76 | AC | 2 ms
6,940 KB |
testcase_77 | AC | 2 ms
6,944 KB |
testcase_78 | AC | 1 ms
6,944 KB |
testcase_79 | AC | 1 ms
6,940 KB |
testcase_80 | AC | 2 ms
6,940 KB |
testcase_81 | AC | 2 ms
6,944 KB |
testcase_82 | AC | 2 ms
6,944 KB |
testcase_83 | AC | 1 ms
6,944 KB |
testcase_84 | AC | 2 ms
6,944 KB |
testcase_85 | AC | 1 ms
6,944 KB |
testcase_86 | AC | 2 ms
6,944 KB |
testcase_87 | AC | 2 ms
6,940 KB |
testcase_88 | AC | 2 ms
6,940 KB |
testcase_89 | AC | 2 ms
6,940 KB |
testcase_90 | AC | 1 ms
6,944 KB |
testcase_91 | AC | 2 ms
6,944 KB |
testcase_92 | AC | 1 ms
6,940 KB |
testcase_93 | AC | 2 ms
6,944 KB |
testcase_94 | AC | 2 ms
6,940 KB |
testcase_95 | AC | 1 ms
6,944 KB |
testcase_96 | AC | 2 ms
6,944 KB |
testcase_97 | AC | 2 ms
6,940 KB |
testcase_98 | AC | 2 ms
6,940 KB |
testcase_99 | AC | 2 ms
6,944 KB |
testcase_100 | AC | 1 ms
6,944 KB |
testcase_101 | AC | 1 ms
6,944 KB |
testcase_102 | AC | 1 ms
6,940 KB |
testcase_103 | AC | 2 ms
6,940 KB |
testcase_104 | AC | 2 ms
6,940 KB |
testcase_105 | AC | 2 ms
6,940 KB |
testcase_106 | AC | 2 ms
6,944 KB |
testcase_107 | AC | 2 ms
6,944 KB |
testcase_108 | AC | 2 ms
6,940 KB |
testcase_109 | AC | 2 ms
6,940 KB |
testcase_110 | AC | 2 ms
6,940 KB |
testcase_111 | AC | 1 ms
6,940 KB |
testcase_112 | AC | 2 ms
6,944 KB |
testcase_113 | AC | 2 ms
6,944 KB |
testcase_114 | AC | 2 ms
6,940 KB |
testcase_115 | AC | 2 ms
6,940 KB |
testcase_116 | AC | 1 ms
6,940 KB |
testcase_117 | AC | 1 ms
6,940 KB |
testcase_118 | AC | 1 ms
6,940 KB |
testcase_119 | AC | 1 ms
6,944 KB |
testcase_120 | AC | 2 ms
6,940 KB |
testcase_121 | AC | 1 ms
6,940 KB |
testcase_122 | AC | 1 ms
6,944 KB |
testcase_123 | WA | - |
testcase_124 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; using LL = long long int; #define incID(i, l, r) for(int i = (l) ; i < (r); ++i) #define incII(i, l, r) for(int i = (l) ; i <= (r); ++i) #define decID(i, l, r) for(int i = (r) - 1; i >= (l); --i) #define decII(i, l, r) for(int i = (r) ; i >= (l); --i) #define inc(i, n) incID(i, 0, n) #define inc1(i, n) incII(i, 1, n) #define dec(i, n) decID(i, 0, n) #define dec1(i, n) decII(i, 1, n) #define inID(v, l, r) ((l) <= (v) && (v) < (r)) #define inII(v, l, r) ((l) <= (v) && (v) <= (r)) #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() auto setmin = [](auto & a, auto b) { return (b < a ? a = b, true : false); }; auto setmax = [](auto & a, auto b) { return (b > a ? a = b, true : false); }; auto setmineq = [](auto & a, auto b) { return (b <= a ? a = b, true : false); }; auto setmaxeq = [](auto & a, auto b) { return (b >= a ? a = b, true : false); }; auto fl = [](auto a, auto b) { assert(b != 0); return a / b - (a % b != 0 && ((a >= 0) != (b >= 0)) ? 1 : 0); }; auto ce = [](auto a, auto b) { assert(b != 0); return a / b + (a % b != 0 && ((a >= 0) == (b >= 0)) ? 1 : 0); }; auto mo = [](auto a, auto b) { assert(b != 0); a %= b; if(a < 0) { a += abs(b); } return a; }; LL gcd(LL a, LL b) { return (b == 0 ? a : gcd(b, a % b)); } LL lcm(LL a, LL b) { return a / gcd(a, b) * b; } #define bit(b, i) (((b) >> (i)) & 1) #define SI(v) static_cast<int>(v.size()) #define RF(e, v) for(auto & e: v) #define until(e) while(! (e)) #define if_not(e) if(! (e)) #define ef else if #define UR assert(false) // ---- ---- using LD = long double; int main() { LL a, b, c, d; cin >> a >> b >> c; d = b * b - 4 * a * c; LD A = a, B = b, C = c, D = d; multiset<LD> ans; if(a != 0) { if(d < 0) { } if(d == 0) { ans.insert(-B / (2 * A)); } if(d > 0) { auto f = [&](LD x) -> LD { return a * x * x + b * x + c; }; auto fd = [&](LD x) -> LD { return 2 * a * x + b; }; LD x0 = -(B + sqrt(D)) / (2 * A); LD x1 = -(2 * C) / (B + sqrt(D)); inc(i, 2) { x0 -= f(x0) / fd(x0); x1 -= f(x1) / fd(x1); } ans.insert(x0); ans.insert(x1); } } ef(b != 0) { ans.insert(-C / B); } ef(c != 0) { } else { cout << -1 << endl; return 0; } cout << SI(ans) << endl; RF(e, ans) { printf("%.15Lf\n", e); } return 0; }