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Module DEMO-32-60DEMO-C-32

Hourglass Pattern

DEMO-C-32 • Programming in C

Browser-only practice

Problem Statement

Write a program that reads an integer N and prints an hourglass pattern of stars.

N is the number of rows in the upper half.

Constraints

1 <= N <= 20

Input Format

A single integer N (1 <= N <= 20).

Output Format

An hourglass pattern.

Sample Testcases

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Sample #1
Public sample
Input
3
Output
*****
 ***
  *
 ***
*****
Explanation
Input: 3
Sample #2
Public sample
Input
5
Output
*********
 *******
  *****
   ***
    *
   ***
  *****
 *******
*********
Explanation
Input: 5
Sample #3
Public sample
Input
1
Output
*
Explanation
Input: 1
Sample #4
Public sample
Input
2
Output
***
 *
***
Explanation
Input: 2

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