View Code of Problem 42

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
int main() {
	double a, b, c;
	cin >> a >> b >> c;
	double x1 = (-b + sqrt(b * b - 4 * a * c)) / 2 * a;
	double x2 = (-b - sqrt(b * b - 4 * a * c)) / 2 * a;
	if (x1 < x2)swap(x1, x2);
	printf("%.2lf %.2lf", x1, x2);
	return 0;
}