結果
問題 | No.1179 Quadratic Equation |
ユーザー | packer_jp |
提出日時 | 2020-08-21 22:19:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,957 bytes |
コンパイル時間 | 1,501 ms |
コンパイル使用メモリ | 167,672 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-15 05:50:06 |
合計ジャッジ時間 | 2,129 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | WA | - |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i, n) for (int i = 0; i < (int) (n); i++) #define reps(i, n) for (int i = 1; i <= (int) (n); i++) #define all(x) (x).begin(), (x).end() #define uniq(x) (x).erase(unique(all(x)), (x).end()) #define bit(n) (1LL << (n)) #define dump(x) cerr << #x " = " << (x) << endl using vint = vector<int>; using vvint = vector<vint>; using pint = pair<int, int>; using vpint = vector<pint>; template<typename T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>; constexpr double PI = 3.1415926535897932384626433832795028; constexpr int DY[9] = {0, 1, 0, -1, 1, 1, -1, -1, 0}; constexpr int DX[9] = {1, 0, -1, 0, 1, -1, -1, 1, 0}; int sign(int x) { return (x > 0) - (x < 0); } int gcd(int a, int b) { while (b) { swap(a %= b, b); } return a; } int lcm(int a, int b) { return a / gcd(a, b) * b; } int cdiv(int a, int b) { return (a - 1 + b) / b; } template<typename T> void fin(T mes) { cout << mes << endl; exit(0); } template<typename T, typename U> bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template<typename T, typename U> bool chmin(T &a, const U &b) { if (b < a) { a = b; return true; } return false; } template<typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &rhs) { os << "(" << rhs.first << ", " << rhs.second << ")"; return os; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &rhs) { os << "{"; for (auto itr = rhs.begin(); itr != rhs.end(); itr++) { os << *itr << (next(itr) != rhs.end() ? ", " : ""); } os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const deque<T> &rhs) { os << "{"; for (auto itr = rhs.begin(); itr != rhs.end(); itr++) { os << *itr << (next(itr) != rhs.end() ? ", " : ""); } os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const set<T> &rhs) { os << "{"; for (auto itr = rhs.begin(); itr != rhs.end(); itr++) { os << *itr << (next(itr) != rhs.end() ? ", " : ""); } os << "}"; return os; } template<typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &rhs) { os << "{"; for (auto itr = rhs.begin(); itr != rhs.end(); itr++) { os << *itr << (next(itr) != rhs.end() ? ", " : ""); } os << "}"; return os; } struct setup { static constexpr int PREC = 20; setup() { cout << fixed << setprecision(PREC); cerr << fixed << setprecision(PREC); }; } setup; signed main() { int a, b, c; cin >> a >> b >> c; double A = a, B = b, C = c; if (b * b < 4 * a * c) { fin("imaginary"); } if (b * b == 4 * a * c) { fin(-B / (2 * A)); } cout << (-B - sqrt(B * B - 4 * A * C)) / (2 * A) << " " << (-B + sqrt(B * B - 4 * A * C)) / (2 * A) << endl; }