//C program to print an inverted hollow
//star pyramid using for loop
#include <stdio.h>
void pattern_fun(int row)
{
    //To iterate through the rows
    for(int j=1;j<=row;j++)
    {
        //To print the beginning spaces
        for(int sp=1;sp<=j-1;sp++)
        {
            printf(" ");
        }

        //Iterating from jth column to
        //last column (row*2-(2*j-1));
        int last_col=(row*2-(2*j-1));

        //To iterate through column
        for(int k=1;k<=last_col;k++)
        {
            //To print all star for first
            //row(j==1) jth column (k==1)
            //and for the last column
            //(row*2-(2*j-1))
            if(j==1 || k==1)
                printf("*");
            else if(k== last_col)
                printf("*");
            else
                printf(" ");
            }
        //Proceeding  to next row
        printf("\n");
        }
    }

//Driver code
int main()
{
    //Number of rows
    int row=7;

    //Calling the function
    //print the pattern
    pattern_fun(row);
    return 0;
}