Staircase Problem - C language

This is a staircase of size :

   #
  ##
 ###
####

Its base and height are both equal to . It is drawn using # symbols and spaces. The last line is not preceded by any spaces.

Write a program that prints a staircase of size .

Function Description

Complete the staircase function in the editor below.

staircase has the following parameter(s):

• int n: an integer

Print

Print a staircase as described above.

Input Format

A single integer, , denoting the size of the staircase.

Constraints

 .

Output Format

Print a staircase of size  using # symbols and spaces.

Note: The last line must have  spaces in it.

Sample Input

6 

Sample Output

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

Explanation

The staircase is right-aligned, composed of # symbols and spaces, and has a height and width of .

Answer::

void staircase(int n) {

int i,j;

    if(0<n && n<100)

        for(i=0;i<n;i++)

        {

            for(j=1;j<n-i;j++)

                printf(" ");

            for(j=0;j<=i;j++)

                printf("#");

            printf("\n");

        }

    else

    {

        printf("Please Enter valid Number");

    }

}