C Star Pattern Program | programming-point.com

Program
#include<stdio.h>
int main() 
{
  int i, j, size = 7;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j < size; j++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

2. Hollow Square Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, size = 7;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j < size; j++) 
    {
      if (i == 0 || i == size - 1) 
      {
        printf("*");
      }
      else 
      {
        if (j == 0 || j == size - 1) 
	{
          printf("*");
        }
        else 
	{
          printf(" ");
        }
      }
    }
    printf("\n");
  }
  return 0;
}

3. Rectangle Star Pattern

Program
#include<stdio.h>
int main()
{
  int i, j, rows=5, columns=10;
  for(i = 0; i < rows; i++)
  {
    for(j = 0; j < columns; j++)
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

4. Hollow Rectangle Star Pattern

Program
#include<stdio.h>
int main()
{
  int i, j, rows=4, columns=15;
  for(i = 0; i < rows; i++)
  {
    for(j = 0; j < columns; j++)
    {
      if(i == 0 || i == rows-1 || j == 0 || j == columns-1)
      {
        printf("*");
      }
      else
      {
        printf(" ");
      }          
    }
    printf("\n");
  }
  return 0;
}

5. Right Triangle Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, size = 4;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j <= i; j++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

6. Hollow Right Triangle Star Pattern

hollow-right-triangle-star-pattern-program

Program
#include<stdio.h>
int main() 
{
  int i, j, size = 7;
  for (i = 1; i <= size; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      if (i != size) 
      {
        if (j == 0 || j == i-1) 
	{
          printf("*");
        } 
	else 
	{
          printf(" ");
        }
      }
      else 
      {
        printf("*");
      }
    }
    printf("\n");
  }
  return 0;
}

7. Mirrored Right Triangle Star Pattern

mirrored-right-triangle-star-pattern-program

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 7;
  for (i = 0; i < size; i++) 
  {
    for (j = 1; j < size-i; j++) 
    {
      printf(" ");
    }
    for (k = 0; k <= i; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

8. Hollow Mirrored Right Triangle Star Pattern

hollow-mirrored-right-triangle-star-pattern-program

Program
#include<stdio.h>
int main()
{
  int i, j, size=7; 
  for(i = 1; i <= size; i++)
  {
    for(j = 1; j <= size - i; j++)
    {
      printf(" ");
    }
    if(i == 1 || i == size)
    {
      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;
}

9. Water Image or Reverse Right Triangle Star Pattern

water-image-or-reverse-right-triangle-star-pattern-program

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

10. Hollow Water Image or Reverse Right Triangle Star Pattern

hollow-water-image-or-reverse-right-triangle-star-pattern-program

Program
#include<stdio.h>
int main()
{
  int i, j, size=7;
  for(i = size; i > 0; i--)
  {
    for(j = size - i; j > 0; j--)
    {
      printf(" ");
    }
    if(i == 1 || i == size)
    {
      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;
}

hollow-water-image-or-reverse-right-triangle

11. Inverted Right Triangle Star Pattern

inverted-right-triangle-star-pattern-program

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

12. Hollow Inverted Right Triangle Star Pattern

Program
#include<stdio.h>
int main()
{
  int i, j, size=8; 
  for(i = size; i > 0; i--)
  {
    if(i == 1 || i == size)
    {
      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;
}

13. Pyramid Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 8;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j < size-i-1; j++) 
    {
      printf(" ");
    }
    for (k = 0; k < 2*i+1; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

14. Hollow Pyramid Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 7;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j < size-i-1; j++) 
    {
      printf(" ");
    }
    for (k = 0; k < 2*i+1; k++) 
    {
      if (i == 0 || i == size-1) 
      {
        printf("*");
      }
      else 
      {
        if (k == 0 || k == 2*i) 
	{
          printf("*");
        }
        else 
        {
          printf(" ");
        }
      }
    }
    printf("\n");
  }
  return 0;
}

15. Reverse Pyramid Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 7;
  for (i = 0; i < size; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      printf(" ");
    }
    for (k = 0; k < 2*(size-i)-1; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

16. Hollow Reverse Pyramid Star Pattern

hollow-reverse-pyramid-star-pattern-program

Program
#include<stdio.h>
int main()
{
  int i, j, rows=7; 
  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");
  }
  return 0;
}

17. Hourglass Star Pattern

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

18. Hollow Hourglass Star Pattern

Program
#include<stdio.h>
int main()
{
  int size=7, i, j, k;
  for (i = 1; i <= size; i++)
  {
    for (j = 1; j < i; j++)
    {
      printf(" ");
    }
    for (k = i; k <= size; k++)
    {
      if (i == 1 || k == i || k == size)
      {
        printf("* ");
      }
      else
      {
        printf("  ");
      }
    }
    printf("\n");
  }
  for (i = size - 1; i >= 1; i--)
  {
    for (j = 1; j < i; j++)
    {
      printf(" ");
    }
    for (k = i; k <= size; k++)
    {
      if (i == 1 || k == i || k == size)
      {
        printf("* ");
      }
      else
      {
        printf("  ");
      }
    }
    printf("\n");
  }
  return 0;
}

19. Diamond Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 8;
  for (i = 1; i <= size; i++) 
  {
    for (j = size; j > i; j--) 
    {
      printf(" ");
    }
    for (k = 0; k < i*2-1; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  for (i = 1; i <= size-1; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      printf(" ");
    }
    for (k = (size-i)*2-1; k > 0; k--) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

20. Hollow Diamond Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 7;
  for (i = 1; i <= size; i++) 
  {
    for (j = size; j > i; j--) 
    {
      printf(" ");
    }
    for (k = 0; k < i*2-1; k++) 
    {
      if (k == 0 || k == 2*i-2) 
      {
        printf("*");
      }
      else 
      {
        printf(" ");
      }
    }
    printf("\n");
  }
  for (i = 1; i < size; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      printf(" ");
    }
    for (k = (size-i)*2-1; k >= 1; k--) 
    {
      if (k == 1 || k == (size-i)*2-1) 
      {
        printf("*");
      }
      else 
      {
        printf(" ");
      }
    }
    printf("\n");
  }
  return 0;
}

21. Half Right Diamond Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, size = 9;
  for (i = 1; i <= size; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      printf("*");
    }
    printf("\n");
  }
  for (i = 1; i <= size-1; i++) 
  {
    for (j = 0; j < size-i; j++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

22. Half Left Diamond Star Pattern

Program
#include<stdio.h>
int main() 
{
  int i, j, k, size = 7;
  for (i = 1; i <= size; i++) 
  {
    for (j = 0; j < size-i; j++) 
    {
      printf(" ");
    }
    for (k = 0; k < i; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  for (i = 1; i <= size-1; i++) 
  {
    for (j = 0; j < i; j++) 
    {
      printf(" ");
    }
    for (k = 0; k < size-i; k++) 
    {
      printf("*");
    }
    printf("\n");
  }
  return 0;
}

Note:

All the programs are compiled and executed in Dev C++ code editor and save with .c extension.

Note:

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