## 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

using *n*`#`

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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