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Grokking the Coding Interview Patterns in JavaScript

Sudoku Solver

Explore how to implement a Sudoku solver by applying the backtracking technique. This lesson guides you through solving a 9x9 Sudoku board, enforcing rules for rows, columns, and 3x3 sub-boxes, and developing an efficient algorithm with optimal time and space complexity.

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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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