Wrong Answer.wrong answer Too short on line 1.
C＋＋

#include<bits/stdc++.h>
using namespace std;
int main()
{
	double a,b,c,x1,x2;
	cin>>a>>b>>c;
	if(0>b*b-4*a*c)
	{
		cout<<"No answer!";
		return 0;
	}
	x1=(-b-sqrt(b*b-4*a*c))*1.0/(2*a);
	x2=(-b+sqrt(b*b-4*a*c))*1.0/(2*a);
	if(x1==x2)
	{
		cout<<"x1=x2="<<x1;
	}
	else
	{
		if(x1>x2)
		{
			printf("x1=%.5f;x2=%.5f",x2,x1);
		}
		else
		{
			printf("x1=%.5f;x2=%.5f",x1,x2);
		}
	}
	return 0;
}