StairCase.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class StairCase{

    // Complete the staircase function below.
    static void staircase(int n) {
        for(int i=0;i<n;i++){
            for(int j=n-i-1;j>0;j--){
                System.out.print(" ");
            }
            for(int k=0;k<=i;k++){
                System.out.print("#");
            }
            System.out.println();
        }


    }

    private static final Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        int n = scanner.nextInt();
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        staircase(n);

        scanner.close();
    }
}