// { Driver Code Starts
#include<bits/stdc++.h>
using namespace std;

  

 // } Driver Code Ends
// Function to find square root
// x: element to find square root
class Solution{
  public:
    long long int floorSqrt(long long int x) 
    {
        double l = 0, r = x;
    	int count = 64;
    	double mid;
    	while (count--) {
    		mid = (l + r) / 2.0;
    		if (mid * mid == x) {
    			return mid;
    		}
    		if ((mid * mid) < x) {
    			l = mid;
    		} else {
    			r = mid;
    		}
    	}
    	return mid;
    }
};

// { Driver Code Starts.

int main()
{
	int t;
	cin>>t;
	while(t--)
	{
		long long n;
		cin>>n;
		Solution obj;
		cout << obj.floorSqrt(n) << endl;
	}
    return 0;   
}
  // } Driver Code Ends