How do I implement Sudoku backtracking in code?

How do I implement Sudoku backtracking in code?

To implement Sudoku backtracking, you'll need to create a function that checks for valid placements and recursively fills the board.

What programming language should I use for this?

You can use any programming language, but Python is popular for its simplicity. Would you like a Python example?

Yes, please provide a Python example.

Here's a simple implementation in Python:

def is_valid(board, row, col, num):
    # Check if num is not in the current row, column, and 3x3 box
    pass  # Implement the logic here

def solve_sudoku(board):
    # Implement the backtracking algorithm here
    pass  # Implement the logic here

Can you explain the backtracking algorithm in more detail?

Sure! Backtracking is a recursive algorithm that tries to build a solution incrementally, abandoning solutions that fail to satisfy the constraints.