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++) {
            System.out.printf("%.0f",Math.floor(Math.sqrt(sc.nextLong())));
            System.out.println();
        }
    }
}