Question:

Consider a staircase of size n=4:

   #
  ##
 ###
####

Observe that its base and height are both equal to n , and the image is drawn using # symbols and spaces. The last line is not preceded by any spaces.

Write a program that prints a staircase of size n 

input:

6

Output:

     #
    ##
   ###
  ####
 #####
######

Here is actual problem HackerRank.

Answer:

Solution Logic

• Take variable which stores value of white space, initialize it with array size -1
• Iterate loop for number of rows and number
• Print white space in rows for white space the print #
• Reduce white space number by one