How does backtracking work in Sudoku?
An example of an AI chatbot conversation about backtracking algorithms in Sudoku solving.
Can you explain how backtracking works in Sudoku?
Sure! Backtracking is a method used to solve Sudoku puzzles by trying out different numbers in empty cells.
How does the algorithm decide which number to try first?
Typically, it starts with the smallest number, like 1, and checks if it fits according to Sudoku rules.
What happens if a number doesn't fit?
If a number doesn't fit, the algorithm backtracks to the previous cell and tries the next number.
Is backtracking the only method to solve Sudoku?
No, there are other methods like constraint propagation and heuristic approaches, but backtracking is the most common.
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