#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000000

int main(){
	
	int _t;
	cin>>_t;
	
	rep(_,_t){
		long long n;
		cin>>n;
		
		long long ok = 0,ng = 1000000005;
		while(ng-ok>1LL){
			long long mid = (ok+ng)/2;
			if(mid*mid<=n)ok = mid;
			else ng = mid;
		}
		
		cout<<ok<<endl;
	}
	
	return 0;
}