C Program to Print Inverted V Star Pattern

Write a C program to print inverted V star pattern or half diamond inside a square star pattern using for loop.

#include <stdio.h>

int main()
{
	int rows;

	printf("Enter Inverted V Shape Star Pattern Rows = ");
	scanf("%d", &rows);

	printf("Printing Inverted V Shape Star Pattern\n");

	for (int i = rows; i >= 1; i--)
	{
		for (int j = 1; j <= i; j++)
		{
			printf("*");
		}
		for (int k = 1; k <= 2 * (rows - i); k++)
		{
			printf(" ");
		}
		for (int l = 1; l <= i; l++)
		{
			printf("*");
		}
		printf("\n");
	}
}

This C program displays the inverted V star pattern of stars using a while loop.

#include <stdio.h>

int main()
{
	int i, j, k, l, rows;

	printf("Enter Inverted V Shape Star Pattern Rows = ");
	scanf("%d", &rows);

	printf("Printing Inverted V Shape Star Pattern\n");

	i = rows;
	while (i >= 1)
	{
		j = 1;
		while (j <= i)
		{
			printf("*");
			j++;
		}
		k = 1;
		while (k <= 2 * (rows - i))
		{
			printf(" ");
			k++;
		}
		l = 1;
		while (l <= i)
		{
			printf("*");
			l++;
		}
		printf("\n");
		i--;
	}
}

Enter Inverted V Shape Star Pattern Rows = 12
Printing Inverted V Shape Star Pattern
************************
***********  ***********
**********    **********
*********      *********
********        ********
*******          *******
******            ******
*****              *****
****                ****
***                  ***
**                    **
*                      *

C Program to Print Inverted V Star Pattern using do while loop

#include <stdio.h>

int main()
{
	int i, j, k, l, rows;

	printf("Enter Inverted V Shape Star Pattern Rows = ");
	scanf("%d", &rows);

	printf("Printing Inverted V Shape Star Pattern\n");

	i = rows;
	do
	{
		j = 1;
		do
		{
			printf("*");

		} while (++j <= i);
		
		k = 1;
		while (k <= 2 * (rows - i))
		{
			printf(" ");
			k++;
		}
		
		l = 1;
		do
		{
			printf("*");
		} while (++l <= i);

		printf("\n");
		
	} while (--i >= 1);
}

Enter Inverted V Shape Star Pattern Rows = 15
Printing Inverted V Shape Star Pattern
******************************
**************  **************
*************    *************
************      ************
***********        ***********
**********          **********
*********            *********
********              ********
*******                *******
******                  ******
*****                    *****
****                      ****
***                        ***
**                          **
*                            *

In this C pattern example code, invertedVShapePattern function allows entering any character and prints the inverted V of a given character.

#include <stdio.h>

void InvertedVShapePattern(int rows, char ch);

int main()
{
	int rows;
	char ch;

	printf("Enter Character for Inverted V Pattern = ");
	scanf("%c", &ch);

	printf("Enter Inverted V Shape Star Pattern Rows = ");
	scanf("%d", &rows);

	printf("Printing Inverted V Shape Star Pattern\n");
	InvertedVShapePattern(rows, ch);
}
void InvertedVShapePattern(int rows, char ch)
{
	for (int i = rows; i >= 1; i--)
	{
		for (int j = 1; j <= i; j++)
		{
			printf("%c", ch);
		}
		for (int k = 1; k <= 2 * (rows - i); k++)
		{
			printf(" ");
		}
		for (int l = 1; l <= i; l++)
		{
			printf("%c", ch);
		}
		printf("\n");
	}
}

Enter Character for Inverted V Pattern = #
Enter Inverted V Shape Star Pattern Rows = 17
Printing Inverted V Shape Star Pattern
##################################
################  ################
###############    ###############
##############      ##############
#############        #############
############          ############
###########            ###########
##########              ##########
#########                #########
########                  ########
#######                    #######
######                      ######
#####                        #####
####                          ####
###                            ###
##                              ##
#                                #