BOJ 26548 - Quadratics [C++]

문제

링크

풀이

#include <cmath>
#include <iomanip>
#include <iostream>
using namespace std;
 
void solve(void) {
  double a, b, c; cin >> a >> b >> c;
 
  cout << fixed << setprecision(3) << (-b+sqrt(b*b-4*a*c))/(2*a) << ", " << (-b-sqrt(b*b-4*a*c))/(2*a) << "\n";
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  int n; cin >> n;
  while (n--) solve();
  return 0;
}