Task 2

import java.util.Scanner;
public class s {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter the extent: ");
        int extent = scan.nextInt();
        int[] number = new int[extent];
        System.out.print("Enter the numbers: ");
        for(int i = 0; i < extent; i++ ) {
            number[i] = scan.nextInt();
        }
        for (int i = 0; i < number.length-1; i++) {
            for (int j = 0; j < number.length - 1; j++) {
                if (number[j] <= number[j + 1]) {
                    int temp = number[j];
                    number[j] = number[j + 1];
                    number[j + 1] = temp;
                }
            }
        }
        System.out.println("Numbers with perfect square root: ");
        for (int i = 0; i < number.length; i++) {
            int a = (int)(Math.sqrt(number[i]));
            if(a*a==number[i]){
                System.out.print(" " + number[i]);
            }
        }
    }
}