/**
 * C program to print
hollow pyramid  star pattern
                     *
* *
* *
* *
* *
* * * * * * * * *
*/
* *
* *
* *
* *
* * * * * * * * *
*/
#include <stdio.h>
void main()
{
    int i, j, rows;
    /* Input rows to
print from user */
    printf("Enter
number of rows : ");
    scanf("%d",
&rows);
    for(i=1; i<=rows;
i++)
    {
        /* Print
trailing spaces */
        for(j=i; j<rows;
j++)
        {
            printf("
");
        }
        /* Print
hollow pyramid */
        for(j=1; j<=(2*i-1);
j++)
        {
            /*
             * Print
star for last row (i==rows),
             * first
column(j==1) and for
             * last
column (j==(2*i-1)).
             */ 
            if(i==rows
|| j==1 || j==(2*i-1))
            {
                printf("*");
            }
            else
            {
                printf("
");
            }
        }
        /* Move to
next line */
        printf("\n");
    }
    getch();
}
