Star Pattern Problem Explanation

Given a non-negative integer 'N', print a star pattern according to the specified format.

Input:

N (Total no. of rows)

Output:

Pattern in N lines

Example:

Consider N = 4, the pattern is as follows:

*
 **
  ***
   ****

Constraints:

• 0 <= N <= 50

Note:

The dots in the visual representation are spaces.