C Program to Print Hollow Mirrored Right Triangle Star Pattern

In this tutorial, i am going to show you how to print hollow mirrored right triangle with the help of for loop and while loop in c programs.

Programs to Print Hollow Mirrored Right Triangle Star Pattern in C

  • C Program to Print Hollow Mirrored Right Triangle Star Pattern using For Loop
  • C Program to Print Hollow Mirrored Right Triangle Star Pattern using While Loop

C Program to Print Hollow Mirrored Right Triangle Star Pattern using For Loop

#include<stdio.h>
int main()
{
 	int i, j, rows; 
 	printf("Enter Hollow Mirrored Right Triangle Rows =  ");
 	scanf("%d", &rows);
    printf("Hollow Mirrored Right Triangl Star Pattern\n");
	for(i = 1; i <= rows; i++)
	{
        for(j = 1; j <= rows - i; j++)
        {
            printf(" ");
        }
        if(i == 1 || i == rows)
        {
            for(j = 1; j <= i; j++)
            {
                printf("*");
            }
        }
        else
        {
            for(j = 1; j <= i; j++)
            {
                if(j == 1 || j == i)
                {
                    printf("*");
                }
                else
                {
                    printf(" ");
                }
            }        
        }
		printf("\n");
	}
 	return 0;
}

The result of the above c program; is as follows:

Enter Hollow Mirrored Right Triangle Rows =  8
Hollow Mirrored Right Triangl Star Pattern
       *
      **
     * *
    *  *
   *   *
  *    *
 *     *
********

C Program to Print Hollow Mirrored Right Triangle Star Pattern using While Loop

#include<stdio.h>
int main()
{
 	int i, j, rows;
 	
 	printf("Enter Hollow Mirrored Right Triangle Rows =  ");
 	scanf("%d", &rows);
    printf("Hollow Mirrored Right Triangl Star Pattern\n");
    i = 1;
	while(i <= rows)
	{
        j = 1;
        while(j <= rows - i)
        {
            printf(" ");
            j++;
        }
        if(i == 1 || i == rows)
        {
            j = 1;
            while(j <= i)
            {
                printf("*");
                j++;
            }
        }
        else
        {
            j = 1;
            while( j <= i)
            {
                if(j == 1 || j == i)
                {
                    printf("*");
                }
                else
                {
                    printf(" ");
                }
                j++;
            }        
        }
		printf("\n");
        i++;
	}
 	return 0;
}

The result of the above c program; is as follows:

Enter Hollow Mirrored Right Triangle Rows =  8
Hollow Mirrored Right Triangl Star Pattern
       *
      **
     * *
    *  *
   *   *
  *    *
 *     *
********

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