#include <bits/stdc++.h>   using namespace std;   double esp = 1e-11;   const double PI = acos(-1.0);   const long long int INF = 0x3f3f3f3f;   const long long int MOD = 1e9 + 7;   const int maxn = 200010;   int main() {     int a, b, c;     scanf( %d%d%d , &a, &b, &c);     long double x = (-b + sqrt((long double)b * b - 4 * a * c)) / (2 * a);     long double y = (-b - sqrt((long double)b * b - 4 * a * c)) / (2 * a);     if (x < y) swap(x, y);     printf( %.6f n%.6f n , (double)x, (double)y);     return 0;   }   