create hollow square star pattern

Created by: uttamoffline

#include <stdio.h>

int main() { int i, j, N;

/* Input number of rows from user */
printf("Enter number of rows: ");
scanf("%d", &N);

/* Iterate over each row */
for(i=1; i<=N; i++)
{
    /* Iterate over each column */
    for(j=1; j<=N; j++)
    {
        if(i==1 || i==N || j==1 || j==N)
        {
            /* Print star for 1st, Nth row and column */
            printf("*");
        }
        else
        {
            printf(" ");
        }
    }

    /* Move to the next line/row */
    printf("\n");
}

return 0;

}