CHECK WEATHER THE NUMBER IS PRONIC OR NOT || PROGRAM IN JAVA

CHECK WEATHER THE NUMBER IS PRONIC OR NOT

1.What is a pronic number?

Ans:- product of two consecutive integers as shown in the above figure.

Program

import java.util.Scanner;

public class Pronic

 {

    public static void main(String args[])

       {

        Scanner sc = new Scanner(System.in);

        System.out.print("Input a number : ");

        int num = sc.nextInt();

        int ans = 0;

    

        for(int i=0; i<num; i++)

        {

                            

            if(i*(i+1) == num)

            {

                //ans = 1;

                //System.out.println(" "+i);

                //System.out.println(i+1);

                //break;

            }

        }

         

        if(ans == 1)

            System.out.println("Pronic Number.");

        else

            System.out.println("Not a Pronic Number.");      

    }

}

Output