Sudoku Wizard
Interactive Sudoku solver with visual backtracking algorithm
The Problem
Wanted to demonstrate algorithmic problem-solving through an interactive visualization that makes the backtracking algorithm understandable and engaging.
What I Built
Created a visual Sudoku solver using backtracking with real-time cell updates. Features include input validation, sample puzzles of varying difficulty, and smooth animations showing the solving process.
My Role
Designed and built the complete application including the solver algorithm, validation logic, and interactive user interface.
How It Works
Backtracking algorithm with constraint propagation
Real-time validation against Sudoku rules
Row, column, and 3x3 box constraint checking
Sample puzzles at Easy, Medium, and Hard levels
Keyboard navigation and number pad input
Visual feedback for invalid and solved cells
Key Takeaways
Backtracking is elegant for constraint satisfaction problems
Visual feedback makes algorithms understandable
User input validation is essential for good UX
Async updates create smooth animations