Program in C To Print Hollow Rhombus, Parallelogram Star Pattern

/* 1. Program to print the following output

    *****                                                                                                                                                                       

   *   *                                                                                                                                                                        

  *   *                                                                                                                                                                         

 *   *                                                                                                                                                                          

*****        

*/

#include <stdio.h>

int main()

{

    int i, j;

    for(i=1; i<=5; i++)

    {

        //Print trailing spaces

        for(j=1; j<=5-i; j++)

        {

            printf(" ");

        }

        //Print stars and center spaces

        for(j=1; j<=5; j++)

        {

            if(i==1 || i==5 || j==1 || j==5)

                printf("*");

            else

                printf(" ");

        }

        printf("\n");

    }

    return 0;

}

---

/* 2. Program to print the following output

    ********************                                                                                                                                                        

   *                  *                                                                                                                                                         

  *                  *                                                                                                                                                          

 *                  *                                                                                                                                                           

********************       

*/

#include <stdio.h>

int main()

{

    int i, j;

    for(i=1; i<=5; i++)

    {

        //Print trailing spaces

        for(j=1; j<=5-i; j++)

        {

            printf(" ");

        }

        //Print stars and center spaces

        for(j=1; j<=20; j++)

        {

            if(i==1 || i==5 || j==1 || j==20)

                printf("*");

            else

                printf(" ");

        }

        printf("\n");

    }

    return 0;

}