The part

```
for(int i=1; i<n; i++)
{
x[i]=sqrt(y[i]*i);
cout<<"x"<<i<<": "<<x[i]<<endl;
}
```

isn't working wll, for some elements the result is non, i thought that i because the numbers are complex, but not with include complex i get the same resut.. can anyone help me

```
#include<iostream>
#include<math.h>
#include <complex>
using namespace std;
int main()
{
int n,elem[20];
float y[20],A[20];
complex<float> x[20];
cout<<"Number of elements?"<<endl;
cin>>n;
cout<<"Insert elements:"<<endl;
for(int i=0; i<n; i++)
{
cin>>elem[i];
}
A[0]=pow(elem[0],2);
for(int j=1; j<n; j++)
{
A[j]=pow(elem[j],2);
int i=1;
while((i+j)<=n-1&&(i<=j))
{
A[j]=A[j]+pow((-1),i)*2*(elem[j-i]*elem[j+i]);
i=i+1;
}
cout<<"A"<<j<<":"<<A[j]<<endl;
}
for(int i=1; i<n; i++)
{
y[i]=A[i]/-A[i-1];
cout<<"y"<<i<<": "<<y[i]<<endl;
}
for(int i=1; i<n; i++)
{
x[i]=sqrt(y[i]*i);
cout<<"x"<<i<<": "<<x[i]<<endl;
}
}
```