Star Patterns - C programs

Star Patterns - some very useful examples of Star Patterns C program are as follows.

Star Pattern - 1

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=1;i<=5;i++)
    {
        for(j=i;j<5;j++)
        {
            printf(" ");
        }
        for(k=1;k < (i*2);k++)
        {
                printf("*");
        }
        printf("\n");
    }

    return 0;
} 

=============================================

Star Pattern - 2

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=5;i>=1;i--)
    {
        for(j=5;j>i;j--)
        {
                printf(" ");
        }
        for(k=1;k < (i*2);k++)
        {
                printf("*");
        }
        printf("\n");
    }

    return 0;
} 

=============================================

Star Pattern - 3

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=1;i<=5;i++)
    {
        for(j=1;j<=6-i;j++)
        {
            printf("*");
        }
        for(k=1;k < i;k++)
        {
            printf("  ");
        }
        for(j=1;j<=6-i;j++)
        {
            printf("*");
        }
        printf("\n");
    }
    for(i=2;i<=5;i++)
    {
        for(j=1;j<=i;j++)
        {
            printf("*");
        }
        for(k=1;k <= 5-i;k++)
        {
            printf("  ");
        }
        for(j=1;j<=i;j++)
        {
            printf("*");
        }
        printf("\n");
    }

    return 0;
} 

=============================================

Star Pattern - 4

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=1;i<=5;i++)
    {
        for(j=i;j<5;j++)
        {
            printf(" ");
        }
        for(k=1;k < (i*2);k++)
        {
                printf("*");
        }
        printf("\n");
    }
    for(i=4;i>=1;i--)
    {
        for(j=5;j>i;j--)
        {
                printf(" ");
        }
        for(k=1;k < (i*2);k++)
        {
                printf("*");
        }
        printf("\n");
    }

    return 0;
} 

=============================================

Star Pattern - 5

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

C program

#include<stdio.h>

int main()
{
    int i, j;
    for(i=1;i<=5;i++)
    {
        for(j=1;j<=i;j++)
        {
            printf("*");
        }
        printf("\n");
    }

    return 0;
}

=============================================

Star Pattern - 6

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

C program

#include<stdio.h>

int main()
{
    int i, j;
    for(i=5;i>=1;i--)
    {
        for(j=1;j<=i;j++)
        {
            printf("*");
        }
        printf("\n");
    }

    return 0;
}

=============================================

Star Pattern - 7

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=5;i >= 1;i--)
    {
        for(j=1;j < i;j++)
        {
            printf(" ");
        }
        for(k=5;k >= i;k--)
        {
            printf("*");
        }
        printf("\n");
    }

    return 0;
}

=============================================

Star Pattern - 8

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

C program

#include<stdio.h>

int main()
{
    int i, j, k;
    for(i=5;i>=1;i--)
    {
        for(j=5;j>i;j--)
        {
            printf(" ");
        }
        for(k=1;k <= i;k++)
        {
            printf("*");
        }
        printf("\n");
    }

    return 0;
}

=============================================

Star Pattern - 9

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

C program

#include<stdio.h>
int main()
{
    int i, j;
    
    for(i=1; i<=5; i++)
    {
        for(j=5; j>i; j--)
        {
            printf(" ");
        }
      printf("*");
        for(j=1; j<(i-1)*2; j++)
        {
            printf(" ");
        }
        if(i==1) printf("\n");
      else printf("*\n");
    }
    
    for(i=4; i>=1; i--)
    {
        for(j=5; j>i; j--)
        {
            printf(" ");
        }
      printf("*");
        for(j=1; j<(i-1)*2; j++)
        {
            printf(" ");
        }
        if(i==1) printf("\n");
      else printf("*\n");
    }    
    
    return 0;
}

=============================================