#include <bits/stdc++.h>
using namespace std;
int main() {
  int t;
  cin >> t;
  while (t--) {
    long long n;
    cin >> n;
    long long lo = 1, hi = 1000000000;
    while (lo < hi) {
      long long mid = (lo + hi + 1) >> 1;
      if (mid * mid <= n) lo = mid;
      else hi = mid - 1;
    }
    cout << lo << '\n';
  }

}