SmileBD

#include <stdio.h>
int main()
{
    int i, j, n;
    //Reads the number of rows from user
    printf("Enter number of rows : ");

    scanf("%d", &n); 

    //Iterates over each row of pattern
    for(i=1; i<=n; i++)
    {
        //Prints trailing spaces
        for(j=i; j<n; j++)
        {
            printf(" ");
        } 

        //Prints the rhombus pattern
        for(j=1; j<=n; j++)
        {
            if(i==1 || j==1 || i==n || j==n)
            {
                printf("*");
            }
            else
            {
                printf(" ");
            }
        }
        printf("\n");
    }
    return 0;
}