use std::io;

fn main() {
    let n = read_input();
    let mut v: Vec<u64> = Vec::new();

    for _i in 0..n {
        v.push(read_input());
    }

    for n in v {
        println!("{}", sqrt_n(n));
    }
}

fn read_input() -> u64 {
    let mut s = String::new();
    io::stdin().read_line(&mut s).unwrap();
    s.trim().parse().unwrap()
}

fn sqrt_n(n: u64) -> u64 {
    let mut l: u64 = 1;
    let mut r: u64 = 1_000_000_001;
    let mut m: u64 = (l + r) / 2;
    let mut prev_m: u64 = m;

    for _i in 0..100 {
        if m * m > n {
            r = m;
        } else {
            l = m;
        }
        m = (l + r) / 2;
        if prev_m == m {
            break;
        }
        prev_m = m;
    }
    m
}