import java.util.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        
        int t = sc.nextInt();
        for (int i = 0; i < t; i++) {
            String result = String.format("%d", (int)Math.sqrt(sc.nextDouble()));
            System.out.println(result);
        }
    }
}