Sudoku Solver
Explore how to solve a 9x9 Sudoku puzzle by applying backtracking techniques. Understand the constraints of rows, columns, and sub-boxes, and practice developing an optimal solution. This lesson helps you build skills to efficiently tackle similar complex coding problems in technical interviews.
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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:
Each row must contain digits between 1 and 9, and there should be no repetition of digits within a row.
Each column must contain digits between 1 and 9, and there should be no repetition of digits within a column.
The board consists of 9 non-overlapping sub-boxes, each containing 3 rows and 3 columns. Each of these 3 x 3 ...