Create comprehensive algorithm cheat sheets

Develop comprehensive algorithm cheat sheets for quick reference:

## Cheat sheet categories:
- Sorting algorithms
- Searching algorithms
- Graph algorithms
- Dynamic programming patterns
- Tree algorithms
- String algorithms
- Mathematical algorithms

## Content for each algorithm:
- Time and space complexity
- Key characteristics
- When to use / when not to use
- Implementation hints
- Common pitfalls
- Code snippet in Hy

## Format options:
- Markdown documentation
- Printable PDF
- Interactive web version
- Comparison tables

## Additional features:
- Decision flowcharts for algorithm selection
- Visual algorithm comparison
- Problem-to-algorithm mapping guide
- Quick implementation templates

These cheat sheets will serve as quick references for algorithm selection and implementation, helping users choose the right algorithm for specific problems and remember key implementation details.