#include <iostream>
#include <string>
#include <cstdlib>
#include <cmath>
#include <sstream>
#include <vector>
#include <stdio.h>

using namespace std;

int main()
{
    string s="";
    vector <long double> vec;

    cout<<vec.size();
    long double j;
    char c;
    stringstream ss("");
    for (int i=0;i<256000;i++)//This is here so I can handle the size of the stream input
    {
        cin.get(c);
        s+=c;
    }
    //Now I know I am working on 256KB
    ss<<s;

    while(ss>>j)
    {
        j=sqrt(j);

        vec.push_back(j);
    }

    for (int k=vec.size()-1;k>=0;k--)
    {
        cout.precision(4);
        cout<<fixed<<vec[k]<<endl;
    }

    return 0;
}

I should add a test, if we are in the end of file before the 256000. Otherwise, it'll wait for 256000 char to enter