➽ Problem:-

https://www.hackerrank.com/challenges/staircase/problem

➽ Solution:-

import java.util.*;

import java.io.*;

 

public class Solution

{

    public static void main(String args[])

    {

        int N, i, j, k;

        Scanner sc = new Scanner(System.in);

       

        N = sc.nextInt();

       

        for(i=1;i<=N;i++)

        {

            for(j=1;j<=N-i;j++)

            {

                System.out.print(" ");

            }

            for(k=j;k<=N;k++)

            {

                System.out.print("#");

            }

           

            System.out.print("\n");

        }

    }

}