What are some common algorithms used to solve Sudoku puzzles?
Common algorithms include backtracking, constraint propagation, and dancing links. Would you like to know how to implement one?
Yes, can you explain the backtracking algorithm?
Sure! The backtracking algorithm tries to fill the Sudoku grid by placing numbers one by one and checking for validity. If a number leads to a conflict, it backtracks and tries the next number.
How do I check if a number placement is valid?
To check validity, ensure the number isn't already present in the same row, column, or 3x3 subgrid. Would you like a code example?
Yes, please provide a code example for the backtracking algorithm.
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