starbarfi.c

/*
    Name: starbarfi.c
    Copyright:
    Author: Mr.Kindle (youtube: Mr_Kindle)
    Date: 30-11-22 23:13
    Description: this code print following number of patterns if number of rows = 4.
                   *
                   **
                  ***
                   **
                    *

YOUTUBE:https://youtu.be/mIXF8x0FV_c

*/


#include <stdio.h>
int main()
{
  int n, c, k,j,flag;

  printf("Enter number of rows (less than 9 for better result)\n");
  scanf("%d", &n);
/*First make upper triangle*/

  for (k=1; k<=n; k++)
  {     /*for printing the spaces*/
        for (c=1; c<=n-k; c++)
            printf(" ");

        j=k;// so that the value of 'k' doesnot alter.


        /*for printing the numbers*/

        /*there are '2k - 1' number of element in each 'kth' row.*/
        for (c = 1; c <= 2*k-1; c++)
            {
                printf("*");

             }

        printf("\n");
  }//for loop for upper triangle

  /*making lower inverse triangle*/

    for (k=1; k<=n-1; k++)//we will print 1 line less hence 'k<=n-1' instead of 'k<=n.
        {

            for (c=1; c<=k; c++)
                printf(" ");

            j=n-k;


            for (c=1 ; c<=2*(n-k)-1; c++)
                {
                    printf("*");
                }

            printf("\n");
        }

    return 0;
}//main