#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

inline int floorsqrt(ll x) {
  int ok = 0, ng = 1e9 + 1;
  while (abs(ok - ng) > 1) {
    int mid = (ok + ng) / 2;
    ((ll) mid * mid <= x ? ok : ng) = mid;
  }
  return ok;
}

int main() {
  int t;
  cin >> t;
  while (t--) {
    ll x;
    cin >> x;
    cout << floorsqrt(x) << endl;
  }
  return 0;
}