This article shows the list of available Star Pattern Programs in C programming language with an example of each using the for loop, while loop, functions, and do while loop.
Apart from the Star Pattern Programs, you can refer to the C Alphabet Pattern Programs and C Number Pattern Programs using the C programming language. Before you start reading this, I suggest you refer to the C tutorial and C Programs articles to understand the language and the remaining programs.
Star Pattern Programs in C
The following is the list of programs to Print star patterns and shapes.
C Program to Print Diamond Star Pattern
The below example uses a nested for loop to iterate rows and print the C diamond star pattern. Within this section, we show you different kinds of diamond patterns.
#include<stdio.h>
void loopLogic(int rows, int i){
for(int j = 1; j <= rows - i; j++)
{
printf(" ");
}
for(int k = 1; k <= i * 2 - 1; k++)
{
printf("*");
}
printf("\n");
}
int main(void)
{
int i, rows;
printf("Enter Diamond Rows = ");
scanf("%d", &rows);
for(i = 1; i <= rows; i++)
{
loopLogic(rows, i);
}
for(i = rows - 1; i > 0; i--)
{
loopLogic(rows, i);
}
}
Output.
Enter Diamond Rows = 8
*
***
*****
*******
*********
***********
*************
***************
*************
***********
*********
*******
*****
***
*
Half Diamond Pattern of Stars
For more examples to print the C Half Diamond Pattern of Stars.
#include<stdio.h>
void result(int r, int i)
{
for (int j = 1; j <= i; j++) {
printf("*");
}
printf("\n");
}
int main(void) {
int i, r;
printf("Enter Half Diamond Pattern Rows = ");
scanf("%d", &r);
for (i = 1; i <= r; i++) {
result(r, i);
}
for (i = r - 1; i > 0; i--) {
result(r, i);
}
}
Output
Enter Half Diamond Pattern Rows = 12
*
**
***
****
*****
******
*******
********
*********
**********
***********
************
***********
**********
*********
********
*******
******
*****
****
***
**
*
Hollow Diamond Stars Pattern
For more examples of the Hollow Diamond Stars Pattern in C.
#include<stdio.h>
void result(int r, int i)
{
for (int j = 1; j <= r - i; j++) {
printf(" ");
}
for (int k = 1; k <= i * 2 - 1; k++) {
if (k == 1 || k == i * 2 - 1) {
printf("*");
} else {
printf(" ");
}
}
printf("\n");
}
int main(void) {
int i, r;
printf("Enter Hollow Diamond Pattern Rows = ");
scanf("%d", &r);
for (i = 1; i <= r; i++) {
result(r, i);
}
for (i = r - 1; i > 0; i--) {
result(r, i);
}
}
Output
Enter Hollow Diamond Pattern Rows = 8
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
*
Hollow Diamond inside a Square Pattern
For more examples of the C program to print Hollow Diamond inside a Square Pattern star pattern.
#include<stdio.h>
int main(void)
{
int i, j, k, r;
printf("Enter Hollow Diamond inside Square Rows = ");
scanf("%d", &r);
for (i = 0 ; i < r; i++ )
{
for (j = 0 ; j < r; j++ )
{
if(j < r - i) {
printf("*");
}
else {
printf(" ");
}
}
for (k = 0 ; k < r; k++ )
{
if (k < i ) {
printf(" ");
}
else {
printf("*");
}
}
printf("\n");
}
for (i = 1 ; i <= r; i++ )
{
for (j = 0 ; j < r; j++ )
{
if(j < i) {
printf("*");
}
else {
printf(" ");
}
}
for (k = 0 ; k < r; k++ )
{
if (k < r - i ) {
printf(" ");
}
else {
printf("*");
}
}
printf("\n");
}
}
Output
Enter Hollow Diamond inside Square Rows = 13
**************************
************ ************
*********** ***********
********** **********
********* *********
******** ********
******* *******
****** ******
***** *****
**** ****
*** ***
** **
* *
* *
** **
*** ***
**** ****
***** *****
****** ******
******* *******
******** ********
********* *********
********** **********
*********** ***********
************ ************
**************************
Mirrored Half Diamond Star Pattern
For more examples of the Mirrored Half Diamond Star Pattern in C.
#include<stdio.h>
void result(int r, int i)
{
for (int j = 1; j <= r - i; j++) {
printf(" ");
}
for (int k = 1; k <= i; k++) {
printf("*");
}
printf("\n");
}
int main(void) {
int i, r;
printf("Enter Mirrored Half Diamond Pattern Rows = ");
scanf("%d", &r);
for (i = 1; i <= r; i++) {
result(r, i);
}
for (i = r - 1; i > 0; i--) {
result(r, i);
}
}
Output
Enter Mirrored Half Diamond Pattern Rows = 11
*
**
***
****
*****
******
*******
********
*********
**********
***********
**********
*********
********
*******
******
*****
****
***
**
*
C Program to Print Pyramid Star Pattern
This C program uses the nested for loop structure to print the Pyramid Star Pattern in C.
I suggest you refer to the C Programming For Loop article to understand the logic. Also, check the C programming while loop and the do while loop in c articles.
#include <stdio.h>
int main(void)
{
int rows, i, j, k;
printf("Enter Pyramid Rows: ");
scanf("%d", &rows);
for ( i = 1 ; i <= rows; i++ )
{
for ( j = 1 ; j <= rows-i; j++ )
{
printf(" ");
}
for (k = 1; k <= (2 * i - 1); k++)
{
printf("*");
}
printf("\n");
}
}
Enter Pyramid Rows: 9
*
***
*****
*******
*********
***********
*************
***************
*****************
Inverted Pyramid Stars Pattern
For more examples of an inverted pyramid of stars pattern in C.
#include<stdio.h>
int main(void)
{
int rows;
printf("Enter Inverted Pyramid Rows: ");
scanf("%d", &rows);
for (int i = rows ; i >= 1; i-- )
{
for (int j = 0 ; j <= rows-i; j++ )
{
printf(" ");
}
for (int k = 0; k < (2 * i - 1); k++)
{
printf("*");
}
printf("\n");
}
}
Output
Enter Inverted Pyramid Rows: 9
*****************
***************
*************
***********
*********
*******
*****
***
*
Hollow Pyramid Star Pattern
For more C program examples of printing the hollow pyramid of star pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, rows;
printf("Enter Hollow Pyramid Star Rows = ");
scanf("%d", &rows);
for(i = 1; i <= rows; i++)
{
for(j = 1; j <= rows - i; j++)
{
printf(" ");
}
if(i == 1 || i == rows)
{
for(j = 1; j <= i * 2 - 1; j++)
{
printf("*");
}
}
else
{
for(j = 1; j <= i * 2 - 1; j++)
{
if(j == 1 || j == i * 2 - 1)
{
printf("*");
}
else
{
printf(" ");
}
}
}
printf("\n");
}
}
Output
Enter Hollow Pyramid Star Rows = 13
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
*************************
Hollow Inverted Pyramid Pattern of Stars
For more examples on Hollow Inverted Pyramid Stars Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, rows;
printf("Enter Hollow Inverted Pyramid Star Rows = ");
scanf("%d", &rows);
for(i = rows; i > 0; i--)
{
for(j = 1; j <= rows - i; j++)
{
printf(" ");
}
if(i == 1 || i == rows)
{
for(j = 1; j <= i * 2 - 1; j++)
{
printf("*");
}
}
else
{
for(j = 1; j <= i * 2 - 1; j++)
{
if(j == 1 || j == i * 2 - 1)
{
printf("*");
}
else
{
printf(" ");
}
}
}
printf("\n");
}
}
Output
Enter Hollow Inverted Pyramid Star Rows = 12
***********************
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
*
C Program to Print Right Angled Triangle Star Pattern
For more information on the Right Angled Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter Right Angled Triangle Rows = ");
scanf("%d", &n);
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= i; j++)
{
printf("* ");
}
printf("\n");
}
}
Output

Hollow Right Triangle Pattern
For more examples of the Hollow Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter Hollow Right Triangle Rows = ");
scanf("%d", &n);
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
if(i == 1 || i == n || j == 1 || j == i)
printf("* ");
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter Hollow Right Triangle Rows = 12
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * *
Mirrored Right Triangle Pattern
For more examples of the Mirrored Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter the Number of Rows : ");
scanf("%d", &n);
for (int i = 1 ; i <= n; i++ )
{
for (int j = 1 ; j <= n; j++ )
{
if(j <= n-i)
{
printf(" ");
}
else
{
printf("*");
}
}
printf("\n");
}
}
Output.
Enter the Number of Rows : 14
*
**
***
****
*****
******
*******
********
*********
**********
***********
************
*************
**************
Hollow Mirrored Right Triangle Pattern
For more examples of the Hollow Mirrored Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, n;
printf("Enter Hollow Mirrored Right Triangle Rows = ");
scanf("%d", &n);
for(int i = 1; i <= n; i++)
{
for(j = 1; j <= n - i; j++)
{
printf(" ");
}
for(j = 1; j <= i; j++)
{
if(j == 1 || j == i || i == 1 || i == n)
printf("*");
else
printf(" ");
}
printf("\n");
}
}
Output.
Enter Hollow Mirrored Right Triangle Rows = 15
*
**
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
***************
Reversed Mirrored Right Triangle
For more examples of the Reversed Mirrored Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter the Number of Rows = ");
scanf("%d", &n);
for (int i = 1 ; i <= n; i++ )
{
for (int j = 1 ; j <= n; j++ )
{
if(j < i)
{
printf(" ");
}
else
{
printf("*");
}
}
printf("\n");
}
}
Output.
Enter the Number of Rows = 13
*************
************
***********
**********
*********
********
*******
******
*****
****
***
**
*
Inverted Right Triangle
For more examples of the Inverted Right Triangle Star Pattern Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter the Number of Rows = ");
scanf("%d", &n);
for (int i = n ; i > 0 ; i-- )
{
for (int j = i ; j > 0 ; j-- )
{
printf("* ");
}
printf("\n");
}
}
Output.
Enter the Number of Rows = 12
* * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * *
* * * * * * * * *
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
Hollow Inverted Right Triangle Pattern
For more examples of the Hollow Inverted Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter the Number of Rows = ");
scanf("%d", &n);
for (int i = n ; i > 0 ; i-- )
{
for (int j = i ; j > 0 ; j-- )
{
if(i == 1 || i == n || j == 1 || j == i)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter the Number of Rows = 16
****************
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
**
*
Inverted Mirrored Right Triangle
For more examples of the Inverted Mirrored Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, n;
printf("Enter Inverted Mirrored Right Triangle Rows = ");
scanf("%d", &n);
for(i = n; i > 0; i--)
{
for(j = n - i; j > 0; j--)
{
printf(" ");
}
for(j = 0; j < i; j++)
{
printf("*");
}
printf("\n");
}
}
Output.
Enter Inverted Mirrored Right Triangle Rows = 10
**********
*********
********
*******
******
*****
****
***
**
*
Hollow Inverted Mirrored Right Triangle
For more examples of the Hollow Inverted Mirrored Right Triangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, n;
printf("Enter Hollow Inverted Mirrored Right Triangle Rows = ");
scanf("%d", &n);
for(i = n; i > 0; i--)
{
for(j = n - i; j > 0; j--)
{
printf(" ");
}
for(j = 1; j <= i; j++)
{
if(i == 1 || i == n || j == 1 || j == i)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter Hollow Inverted Mirrored Right Triangle Rows = 13
*************
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
**
*
C program to Print Rectangle Star Pattern
For more examples of the Rectangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int rows, columns;
printf("Enter the Number of rows = ");
scanf("%d", &rows);
printf("Enter the Number of Columns = ");
scanf("%d", &columns);
for(int i = 0; i < rows; i++)
{
for(int j = 0; j < columns; j++)
{
printf("*");
}
printf("\n");
}
}
Output.
Enter the Number of rows = 10
Enter the Number of Columns = 14
**************
**************
**************
**************
**************
**************
**************
**************
**************
**************
Hollow Rectangle Star Pattern
For more examples of the Hollow Rectangle Star Pattern in C.
#include<stdio.h>
int main(void)
{
int rows, columns;
printf("Enter the Number of rows = ");
scanf("%d", &rows);
printf("Enter the Number of Columns = ");
scanf("%d", &columns);
for(int i = 0; i < rows; i++)
{
for(int j = 0; j < columns; j++)
{
if(i == 0 || i == rows-1 || j == 0 || j == columns-1)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter the Number of rows = 8
Enter the Number of Columns = 16
****************
* *
* *
* *
* *
* *
* *
****************
C Program to Print Rhombus Pattern of Stars *
This example prints the Rhombus Pattern of stars in C.
#include<stdio.h>
int main(void)
{
int rows;
printf("Enter Rhombus Star Pattern Rows = ");
scanf("%d", &rows);
for(int i = rows; i >= 1; i--)
{
for(int j = 1; j <= i - 1; j++)
{
printf(" ");
}
for(int k = 1; k <= rows; k++)
{
printf("* ");
}
printf("\n");
}
}
Output
Enter Rhombus Star Pattern Rows = 14
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
* * * * * * * * * * * * * *
Mirrored Rhombus Star Pattern
For more examples of the Mirrored Rhombus Star Pattern in C.
#include<stdio.h>
int main(void)
{
int rows;
printf("Enter Mirrored Rhombus Star Pattern Rows = ");
scanf("%d", &rows);
for(int i = 1; i <= rows; i++)
{
for(int j = 1; j < i; j++)
{
printf(" ");
}
for(int k = 1; k <= rows; k++)
{
printf("* ");
}
printf("\n");
}
}
Output.
Enter Mirrored Rhombus Star Pattern Rows = 13
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * *
Hollow Rhombus Star Pattern
For more examples of printing the Hollow Rhombus Star Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, k, rows;
printf("Enter Hollow Rhombus Star Pattern Rows = ");
scanf("%d", &rows);
for(i = rows; i >= 1; i--)
{
for(j = 1; j <= i - 1; j++)
{
printf(" ");
}
for(k = 1; k <= rows; k++)
{
if(i == 1 || i == rows || k == 1 || k == rows)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter Hollow Rhombus Star Pattern Rows = 9
* * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * *
Hollow Mirrored Rhombus Star Pattern
For more Hollow Mirrored Rhombus Star Pattern in C.
#include<stdio.h>
int main(void)
{
int i, j, rows;
printf("Enter Hollow Mirrored Rhombus Rows = ");
scanf("%d", &rows);
for(i = 1; i <= rows; i++)
{
for(j = i; j > 0; j--)
{
printf(" ");
}
if(i == 1 || i == rows)
{
for(j = 1; j <= rows; j++)
{
printf("*");
}
}
else
{
for(j = 1; j <= rows; j++)
{
if(j == 1 || j == rows)
{
printf("*");
}
else
{
printf(" ");
}
}
}
printf("\n");
}
}
Output.
Enter Hollow Mirrored Rhombus Rows = 12
************
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
************
C Program to Print Square Pattern of Stars *
This example prints the Square Star Pattern in C.
#include<stdio.h>
int main(void)
{
int Side;
printf("Enter Any Side of a Square = ");
scanf("%d", &Side);
for(int i = 0; i < Side; i++)
{
for(int j = 0; j < Side; j++)
{
printf("* ");
}
printf("\n");
}
}
Output
Enter Any Side of a Square = 12
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * *
Hollow Square Pattern With Diagonals
For more examples of the Hollow Square With Diagonals Pattern in C.
#include<stdio.h>
int main(void)
{
int r;
printf("Enter Hollow Square with Diagonals Rows = ");
scanf("%d", &r);
for(int i = 1; i <= r; i++)
{
for(int j = 1; j <= r; j++)
{
if(i == 1 || i == r || i == j || j == 1 || j == r || j == r - i + 1)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter Hollow Square with Diagonals Rows = 14
* * * * * * * * * * * * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * *
* * * * * * * * * * * * * *
Hollow Square Star Pattern
For more examples of Printing the Hollow Square Star Pattern in C.
#include<stdio.h>
int main(void)
{
int Side;
printf("Enter Any Side of a Square = ");
scanf("%d", &Side);
for(int i = 0; i < Side; i++)
{
for(int j = 0; j < Side; j++)
{
if(i == 0 || i == Side-1 || j == 0 || j == Side-1)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
Output.
Enter Any Side of a Square = 9
* * * * * * * * *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * *
C Program to Print Sandglass Pattern of Stars *
This example uses the for loop to print the C Sandglass Pattern of Stars.
#include <stdio.h>
void loopLogic(int rows, int i)
{
for (int j = 1; j < i; j++ )
{
printf(" ");
}
for (int k = i; k <= rows; k++ )
{
printf("* ");
}
printf("\n");
}
int main(void) {
int i, rows;
printf("Enter Sandglass Star Pattern Rows = ");
scanf("%d",&rows);
for (i = 1; i <= rows; i++)
{
loopLogic(rows, i);
}
for (i = rows - 1; i >= 1; i--)
{
loopLogic(rows, i);
}
}
Output
Enter Sandglass Star Pattern Rows = 11
* * * * * * * * * * *
* * * * * * * * * *
* * * * * * * * *
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * *
* * * * * * * * * * *
Hollow Sandglass Star Pattern
For more examples of the C Hollow Sandglass Star Pattern.
#include <stdio.h>
void loopLogic(int rows, int i)
{
for (int j = 1; j < i; j++ )
{
printf(" ");
}
for (int k = i; k <= rows; k++ )
{
if (i == 1 || k == i || k == rows)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
int main(void) {
int i, rows;
printf("Enter Hollow Sandglass Star Pattern Rows = ");
scanf("%d",&rows);
for (i = 1; i <= rows; i++)
{
loopLogic(rows, i);
}
for (i = rows - 1; i >= 1; i--)
{
loopLogic(rows, i);
}
}
Output
Enter Hollow Sandglass Star Pattern Rows = 8
* * * * * * * *
* *
* *
* *
* *
* *
* *
*
* *
* *
* *
* *
* *
* *
* * * * * * * *
C Program to Print Triangle Star Pattern
The below Triangle program uses the nested for loops to iterate the rows and columns and prints the stars. For more information on the C Triangle Pattern of Stars.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter Triangle Rows = ");
scanf("%d", &n);
for (int i = 1 ; i <= n; i++ )
{
for (int j = 0 ; j < n - i; j++ )
{
printf(" ");
}
for (int k = 0 ; k < i * 2 - 1; k++ )
{
printf("* ");
}
printf("\n");
}
}
Output
Enter Triangle Rows = 15
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Hollow Triangle Star Pattern
For information about the C Hollow Triangle Pattern of Stars.
#include<stdio.h>
int main(void)
{
int i, j, k, n;
printf("Enter Hollow Triangle Rows = ");
scanf("%d", &n);
for (i = 1 ; i <= n; i++ )
{
for ( j = 1 ; j <= n - i; j++ )
{
printf(" ");
}
for ( k = 1 ; k <= i * 2 - 1; k++ )
{
if (i == 1 || i == n || k == 1 || k == i * 2 - 1 )
printf("* ");
else
printf(" ");
}
printf("\n");
}
}
Output
Enter Hollow Triangle Rows = 14
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * *
Inverted Triangle Star Pattern
For information about the C Inverted Triangle Pattern of Stars.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter Inverted Triangle Rows = ");
scanf("%d", &n);
for (int i = n ; i > 0; i-- )
{
for (int j = 1 ; j <= n - i; j++ )
{
printf(" ");
}
for (int k = 1 ; k <= i * 2 - 1; k++ )
{
printf("* ");
}
printf("\n");
}
}
Output
Enter Inverted Triangle Rows = 16
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
Downward Triangle Star Pattern
For information about the C Downward Triangle Star Pattern.
#include<stdio.h>
int main(void)
{
int n;
printf("Enter Downward Triangle Rows = ");
scanf("%d", &n);
for (int i = n - 1; i >= 0; i-- )
{
for (int j = 0 ; j <= i; j++ )
{
printf("* ");
}
printf("\n");
}
}
Output
Enter Downward Triangle Rows = 13
* * * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * *
* * * * * * * * *
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
Right Pascal Triangle Star Pattern
For more information on the C Right Pascal Triangle Star Pattern.
#include<stdio.h>
void logicOutput(int n, int i)
{
for (int j = 0; j < i; j++)
{
printf("* ");
}
printf("\n");
}
int main(void)
{
int i, n;
printf("Enter Right Pascal Triangle Rows = ");
scanf("%d", &n);
for (i = 0; i < n; i++)
{
logicOutput(n, i);
}
for (i = n; i >= 0; i--)
{
logicOutput(n, i);
}
}
Output
Enter Right Pascal Triangle Rows = 12
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * *
* * * * * * * * *
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
Left Pascal Triangle Star Pattern
For more information on the C Left Pascal Triangle Star Pattern.
#include<stdio.h>
void logicOutput(int n, int i)
{
int j, k;
for (j = i; j < n; j++)
{
printf(" ");
}
for (k = 1; k <= i; k++)
{
printf("* ");
}
printf("\n");
}
int main(void)
{
int i, n;
printf("Enter Left Pascal Triangle Rows = ");
scanf("%d", &n);
for (i = 1; i <= n; i++) {
logicOutput(n, i);
}
for (i = n - 1; i >= 1; i--) {
logicOutput(n, i);
}
}
Output
Enter Left Pascal Triangle Rows = 13
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * * * *
* * * * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * *
* * * * * * * * *
* * * * * * * *
* * * * * * *
* * * * * *
* * * * *
* * * *
* * *
* *
*
Hollow Left Pascal Triangle Star Pattern
For more information on the C Hollow Left Pascal Triangle Star Pattern.
#include<stdio.h>
void logicOutput(int n, int i)
{
for (int j = i; j < n; j++) {
printf(" ");
}
for (int k = 1; k <= i; k++) {
if (k == 1 || k == i )
printf("* ");
else
printf(" ");
}
printf("\n");
}
int main(void) {
int i, n;
printf("Enter Hollow Left Pascal Triangle Rows = ");
scanf("%d", &n);
for (i = 1; i <= n; i++) {
logicOutput(n, i);
}
for (i = n - 1; i >= 1; i--) {
logicOutput(n, i);
}
}
Output
Enter Hollow Left Pascal Triangle Rows = 12
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
*
Hollow Right Pascal Triangle Star Pattern
For more details on the C Hollow Right Pascal Triangle Star Pattern.
#include<stdio.h>
void logicOutput(int n, int i)
{
for (int j = 1; j <= i; j++) {
if (j == 1 || j == i )
printf("* ");
else
printf(" ");
}
printf("\n");
}
int main(void)
{
int i, n;
printf("Enter Hollow Right Pascal Triangle Rows = ");
scanf("%d", &n);
for (i = 0; i < n; i++) {
logicOutput(n, i);
}
for (i = n; i >= 0; i--) {
logicOutput(n, i);
}
}
Output
Enter Hollow Right Pascal Triangle Rows = 10
*
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
* *
*
Remaining Star Pattern Programs
Christmas Tree Star Pattern
For more examples of the C Program for Christmas Tree Star Pattern.
#include <stdio.h>
int main(void)
{
int width, height, sp, i, j, k, n = 1;
printf("Enter Chirstmas Tree Width & Height = ");
scanf("%d %d", &width, &height);
sp = width * height;
for (int x = 1; x <= height; x++)
{
for (i = n; i <= width; i++)
{
for (j = sp; j >= i; j--)
{
printf(" ");
}
for (k = 1; k <= i; k++)
{
printf("* ");
}
printf("\n");
}
n = n + 2;
width = width + 2;
}
for (i = 1; i <= height - 1; i++)
{
for (j = sp - 3; j >= 0; j--)
{
printf(" ");
}
for (k = 1; k <= height - 1; k++)
{
printf("* ");
}
printf("\n");
}
}
Output.
Enter Chirstmas Tree Width & Height = 6 4
*
* *
* * *
* * * *
* * * * *
* * * * * *
* * *
* * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * *
* * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * *
* * * * * * *
* * * * * * * *
* * * * * * * * *
* * * * * * * * * *
* * * * * * * * * * *
* * * * * * * * * * * *
* * *
* * *
* * *
Exponentially Increasing Star Pattern
For more examples of the C Exponentially Increasing Star Pattern.
#include <stdio.h>
#include <math.h>
int main(void)
{
int Rows;
printf("Enter the Number of Rows: ");
scanf("%d", &Rows);
for (int i = 0 ; i <= Rows; i++ )
{
for (int j = 1 ; j <= pow(2, i); j++ )
{
printf("* ");
}
printf("\n");
}
}
Output.
Enter the Number of Rows: 5
*
* *
* * * *
* * * * * * * *
* * * * * * * * * * * * * * * *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Left Arrow Star Pattern
For more examples of the C Left Arrow Star pattern.
#include<stdio.h>
int main(void)
{
int i, j, n;
printf("Enter Left Arrow Star Pattern Rows = ");
scanf("%d", &n);
for(i = 1; i <= n; i++)
{
for(j = 1; j <= n - i; j++)
{
printf(" ");
}
for(j = i; j <= n; j++)
{
printf("*");
}
printf("\n");
}
for(i = 1; i <= n; i++)
{
for(j = 1; j < i; j++)
{
printf(" ");
}
for(j = 1; j <= i; j++)
{
printf("*");
}
printf("\n");
}
}
Output.
Enter Left Arrow Star Pattern Rows = 7
*******
******
*****
****
***
**
*
*
**
***
****
*****
******
*******
Right Arrow Star Pattern
For more examples of the C Program for Right Arrow Star Pattern.
#include<stdio.h>
int main(void)
{
int i, j, n;
printf("Enter Right Arrow Star Pattern Rows = ");
scanf("%d", &n);
for(i = 1; i <= n; i++)
{
for(j = 1; j <= n; j++)
{
if(j < i)
printf(" ");
else
printf("*");
}
printf("\n");
}
for(i = 1; i <= n; i++)
{
for(j = 1; j <= n; j++)
{
if(j < n - i)
printf(" ");
else
printf("*");
}
printf("\n");
}
}
Output.
Enter Right Arrow Star Pattern Rows = 9
*********
********
*******
******
*****
****
***
**
*
**
***
****
*****
******
*******
********
*********
*********
Plus (+) Star Pattern
For more examples of the C Program for + Plus Star Pattern.
#include<stdio.h>
int main(void)
{
int i, j, rows;
printf("Enter Plus Pattern Rows = ");
scanf("%d", &rows);
for(i = 1; i <= rows * 2 - 1; i++)
{
if(i != rows)
{
for(j = 1; j <= rows; j++)
{
if(j == rows)
{
printf("*");
}
printf(" ");
}
}
else
{
for(j = 1; j <= rows * 2 - 1; j++)
{
printf("*");
}
}
printf("\n");
}
}
Output.
Enter Plus Pattern Rows = 8
*
*
*
*
*
*
*
***************
*
*
*
*
*
*
*
H Star Pattern
For more examples of the C Program for H Star Pattern.
#include <stdio.h>
int main(void)
{
int rows, i, j, k, l;
printf("Enter H Pattern Rows = ");
scanf("%d", &rows);
for (i = 1; i <= rows; i++)
{
for (j = 1; j <= i; j++)
{
printf("*");
}
for (k = i * 2; k <= rows * 2 - 1; k++)
{
printf(" ");
}
for (l = 1; l <= i; l++)
{
printf("*");
}
printf("\n");
}
for (i = 1; i <= rows - 1; i++)
{
for (j = rows - 1; j >= i; j--)
{
printf("*");
}
for (k = 1; k <= i * 2; k++)
{
printf(" ");
}
for (l = rows - 1; l >= i; l--)
{
printf("*");
}
printf("\n");
}
}
Output.
Enter H Pattern Rows = 6
* *
** **
*** ***
**** ****
***** *****
************
***** *****
**** ****
*** ***
** **
* *
V Star Pattern
For more examples of the C Program for V Star Pattern.
#include <stdio.h>
void loopLogic(int rows, int i)
{
for (int j = 1; j <= i; j++)
{
printf("*");
}
}
int main(void)
{
int rows;
printf("Enter V Shape Star Pattern Rows = ");
scanf("%d", &rows);
for (int i = 1; i <= rows; i++)
{
loopLogic(rows, i);
for (int k = 1; k <= 2 * (rows - i); k++)
{
printf(" ");
}
loopLogic(rows, i);
printf("\n");
}
}
Output.
Enter V Shape Star Pattern Rows = 9
* *
** **
*** ***
**** ****
***** *****
****** ******
******* *******
******** ********
******************
Inverted V Star Pattern
For more examples of Printing the C Inverted V Star Pattern.
#include <stdio.h>
void loopLogic(int rows, int i)
{
for (int j = 1; j <= i; j++)
{
printf("*");
}
}
int main(void)
{
int rows;
printf("Enter Inverted V Shape Pattern Rows = ");
scanf("%d", &rows);
for (int i = rows; i >= 1; i--)
{
loopLogic(rows, i);
for (int k = 1; k <= 2 * (rows - i); k++)
{
printf(" ");
}
loopLogic(rows, i);
printf("\n");
}
}
Output.
Enter Inverted V Shape Pattern Rows = 8
****************
******* *******
****** ******
***** *****
**** ****
*** ***
** **
* *
W Star Pattern
For more examples of the C Program to print the W Star Pattern.
#include <stdio.h>
void starsDisplay(int rows)
{
for (int i = 0; i < rows; ++i)
{
printf("*");
}
}
void spaceDisplay(int rows)
{
for (int i = 0; i < rows; ++i)
{
printf(" ");
}
}
int main(void)
{
int rows;
printf("Enter W Shape Star Pattern Rows = ");
scanf("%d", &rows);
for (int i = 0; i < rows; i++)
{
starsDisplay(i + 1);
spaceDisplay(rows - i - 1);
starsDisplay(rows - i + 1);
spaceDisplay(2 * i);
starsDisplay(rows - i);
spaceDisplay(rows - i - 1);
starsDisplay(i + 1);
printf("\n");
}
}
Output.
Enter W Shape Star Pattern Rows = 9
* ******************* *
** ********* ******** **
*** ******** ******* ***
**** ******* ****** ****
***** ****** ***** *****
****** ***** **** ******
******* **** *** *******
******** *** ** ********
*********** **********
X Star Pattern
For more examples of the C Program for X Star Pattern.
#include <stdio.h>
int main(void)
{
int rows;
printf("Enter X Pattern rows = ");
scanf("%d", &rows);
int k = rows * 2 - 1;
for(int i = 1; i <= k; i++)
{
for(int j = 1; j <= k; j++)
{
if(j == i || j == (k - i + 1))
{
printf("*");
}
printf(" ");
}
printf("\n");
}
return 0;
}
Output.
Enter X Pattern rows = 7
* *
* *
* *
* *
* *
* *
*
* *
* *
* *
* *
* *
* *
8 Star Pattern
For more examples of the C Program for 8 Star Pattern.
#include <stdio.h>
int main(void)
{
int rows;
printf("Enter 8 Star Pattern Rows = ");
scanf("%d", &rows);
for (int i = 1; i <= rows * 2 - 1; i++)
{
if (i == 1 || i == rows || i == rows * 2 - 1)
{
for (int j = 1; j <= rows; j++)
{
if (j == 1 || j == rows)
{
printf(" ");
}
else
{
printf("*");
}
}
}
else
{
for (int k = 1; k <= rows; k++)
{
if (k == 1 || k == rows)
{
printf("*");
}
else
{
printf(" ");
}
}
}
printf("\n");
}
}
Output.
Enter 8 Star Pattern Rows = 7
*****
* *
* *
* *
* *
* *
*****
* *
* *
* *
* *
* *
*****