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Grokking the Coding Interview Patterns in JavaScript

Sudoku Solver

Explore how to implement a Sudoku solver using the backtracking pattern. Understand the rules for rows, columns, and 3x3 sub-boxes, and practice coding a solution that fills empty cells correctly. This lesson helps you apply backtracking to efficiently solve constraint satisfaction problems.

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Statement

Given a 9 x 9 sudoku board, solve the puzzle by completing the empty cells. The sudoku board is only considered valid if the following rules are satisfied:

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