#include #include <math.h> #include using namespace std; int main() { double x,y,a,b,c; cin>>a>>b>>c; if (a==0) { cout<<"No answer!"; return 0; } x=(sqrt(bb-4ac)-b)/(2a); y=(-sqrt(bb-4ac)-b)/(2a); if (x>y){ swap(x,y); } if (fabs(x-y)<1e-6) { cout<<"x1=x2="<<fixed<<setprecision(5)<<x<<endl; } else { cout<<"x1="<<fixed<<setprecision(5)<<x<<";x2="<<fixed<<setprecision(5)<<y<<endl; } }