# Staircase – HackerRank Solution ## Problem :

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`.

### Function Description :

Complete the staircase function in the editor below. It should print a staircase as described above.

staircase has the following parameter(s):

• n: an integer

### Input Format :

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

### Constraints :

`0 < n <= 100` .

### Output Format :

Print a staircase of size `n` using `#` symbols and spaces.

Note: The last line must have `0` 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 `n = 6`.

## Solution :

``````#include <bits/stdc++.h>
using namespace std;

// Complete the staircase function below.
void staircase(int n) {
for (int i = 1; i <= n; i++) {
for (int a = n-i; a > 0; a--) {
cout << " ";
}
for (int a = 1; a <= i; a++) {
cout << left << "#";
}
cout << endl;
}

}

int main()
{
int n;
cin >> n;
cin.ignore(numeric_limits<streamsize>::max(), '\n');

staircase(n);

return 0;
}
``````

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