#include <iostream>

#include <math.h>

using namespace std;

float sqroot(float m)

{

    float i=;

    float x1,x2;

    while ((i*i)<=m)

    {

        i+=0.1;

    }

    x1=i;

    for (int j=;j<;j++)

    {

        x2=m;

        x2/=x1;

        x2+=x1;

        x2/=;

        x1=x2;

        cout<<x2<<"\t"<<j<<endl;

    }

    return x2;

}

int main()

{

    float m=9.12341212;

    cout<<sqroot(m)<<endl;

    cout<<sqrt(m)<<endl;

    system("pause");

    return ;

}