Hollow Pyramid

Problem Statement

Input Format

An integer N.

Output Format

Print the hollow pyramid pattern.

Constraints

1 <= N <= 15

Sample Input

4

Sample Output

*
  * *
 *   *
*******

Explanation

Asterisks are printed on the outer edges and the entire base row.

Starter Code

#include <iostream>

using namespace std;

int main() {
    int n;
    if (cin >> n) {
        // Write your code here
    }
    return 0;
}

Limits

• Time Limit: 1s
• Memory Limit: 256MB