C Program to Print Hollow Inverted Mirrored Right Triangle Star Pattern

Write a C Program to Print Hollow Inverted Mirrored Right Triangle Star Pattern using for loop.

#include<stdio.h>
int main()
{
    int i, j, rows;
    printf("Enter Hollow Inverted Mirrored Right Triangle Rows =  ");
    scanf("%d", &rows);

    printf("Hollow Inverted Mirrored Right Triangle Star Pattern\n");
    for(i = rows; i > 0; i--)
    {
        for(j = rows - i; j > 0; 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;
}
C Program to Print Hollow Inverted Mirrored Right Triangle Star Pattern 1

This C Program Prints Hollow Inverted Mirrored Right Angled Triangle Pattern using While loop. It allows entering symbol to print as Hollow Inverted Mirrored Right angled Triangle pattern.

#include<stdio.h>
int main()
{
    int i, j, rows;
    char ch;
    
    printf("Symbol for Hollow Inverted Mirrored Right Triangle =  ");
    scanf("%c", &ch);
    
    printf("Enter Hollow Inverted Mirrored Right Triangle Rows =  ");
    scanf("%d", &rows);

    printf("Hollow Inverted Mirrored Right Triangle Star Pattern\n");
    i = rows;
    while(i > 0)
    {
        j = rows - i;
        while(j > 0)
        {
            printf(" ");
            j--;
        }

        if(i == 1 || i == rows)
        {
            j = 1;
            while(j <= i)
            {
                printf("%c", ch);
                j++;
            }
        }
        else
        {
            j = 1;
            while(j <= i)
            {
                if(j == 1 || j == i)
                {
                    printf("%c", ch);
                }
                else
                {
                    printf(" ");
                }
                j++;
            }
        }
        printf("\n");
        i--;
    }
     return 0;
}
Symbol for Hollow Inverted Mirrored Right Triangle =  #
Enter Hollow Inverted Mirrored Right Triangle Rows =  9
Hollow Inverted Mirrored Right Triangle Star Pattern
#########
 #      #
  #     #
   #    #
    #   #
     #  #
      # #
       ##
        #

About Suresh

Suresh is the founder of TutorialGateway and a freelance software developer. He specialized in Designing and Developing Windows and Web applications. The experience he gained in Programming and BI integration, and reporting tools translates into this blog. You can find him on Facebook or Twitter.