1905 我爱数学加强版

#include <iostream>
#include <cstring>
#include <string>
#include <cmath>
#include <algorithm>
#include <iomanip>
using namespace std;

int main()
{
	double a,b,c;
	while(cin>>a>>b>>c)
	{
		if(a==0&&b==0&&c==0) cout<<"Unlimited Answers."<<endl;
		else if(a==0) 
		{
			if(b==0&&c!=0)  cout<<"No Solution."<<endl;
			else
			{
			double o=-c/b;
			cout<<fixed<<setprecision(2)<<o<<endl;}
			
		}
		else 
		{

		double t=b*b-4*a*c;
		if(t>0) 
		{
			double x1=(-b+sqrt(t))/(2*a);
			double x2=(-b-sqrt(t))/(2*a);
			if(x1>x2) cout<<fixed<<setprecision(2)<<x2<<" "<<fixed<<setprecision(2)<<x1<<endl;
			else cout<<fixed<<setprecision(2)<<x1<<" "<<fixed<<setprecision(2)<<x2<<endl;
		}
		else if(t==0)
		{
			double x3=-b/(2*a);
			cout<<fixed<<setprecision(2)<<x3<<endl;
		}
		else
		{
			cout<<"No Solution."<<endl;
		}
	}
	}
	return 0;
}