C++ Star Patterns Library

Open source collection of star patterns in C++ with interactive menu.

Features

• 23 different star patterns
• Interactive menu for pattern selection
• Customizable pattern size
• Number patterns included
• Alphabet patterns included

Available Patterns

1. Right Triangle
2. Inverted Right Triangle
3. Pyramid
4. Inverted Pyramid
5. Diamond
6. Left Triangle
7. Square
8. Hollow Square
9. Hollow Pyramid
10. Number Pattern
11. Number Triangle
12. Reverse Number Pattern
13. Floyd's Triangle
14. Pascal's Triangle
15. Hourglass
16. Arrow Pattern
17. Cross Pattern
18. Sandglass
19. Zigzag Pattern
20. Rhombus
21. Butterfly
22. Alphabet A
23. Heart Pattern

How to Use

Compile the Program

g++ interactive_demo.cpp patterns.cpp -o demo

Run the Interactive Demo

# Linux/Mac
./demo

# Windows
demo.exe

Using in Your Code

#include <iostream>
#include "patterns.cpp"

int main() {
    // Generate a right triangle pattern
    std::cout << rightTriangle(5) << std::endl;
    
    // Generate a pyramid pattern
    std::cout << pyramid(5) << std::endl;
    
    // Generate a number pattern
    std::cout << numberPattern(5) << std::endl;
    
    return 0;
}

Interactive Demo Instructions

1. Compile the program with g++ interactive_demo.cpp patterns.cpp -o demo
2. Run the executable
3. Select a pattern number from the menu
4. Enter the size of the pattern (or press Enter for default size)
5. View the pattern output
6. Choose to view another pattern or exit

Examples

Right Triangle (n=5)

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

Pyramid (n=5)

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

Diamond (n=5)

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

Heart Pattern (n=6)

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

Requirements

• C++11 or higher
• g++ compiler (or any C++ compiler)

License

MIT