square root

#include<bits/stdc++.h>
using namespace std;

long long int floorSqrt(long long int x);


 // } Driver Code Ends


// Function to find square root
// x: element to find square root
long long int floorSqrt(long long int x)
{
    double l=0,r=x,ans;
    const double mx=1e-12;
    for(int i=1;i<=100;i++){
        double mid=(l+r)/2.0;
        //if(abs(mid*mid -x)<=mx) ans= mid;
        if(mid*mid <x) l=mid;
        else r=mid;
    }
    return floor(r);
}


// { Driver Code Starts.

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