/* -*- coding: utf-8 -*-
 *
 * 1700.cc:  No.1700 floor X - yukicoder
 */

#include<cstdio>
 
using namespace std;

/* constant */

const int MAX_R = 1000000000;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    ll n;
    scanf("%lld", &n);

    int r0 = 1, r1 = MAX_R + 1;
    while (r0 + 1 < r1) {
      int r = (r0 + r1) / 2;
      if ((ll)r * r <= n) r0 = r;
      else r1 = r;
    }

    printf("%d\n", r0);
  }
  return 0;
}