Sudoku checker (By traversing each cell only once)
Sudoku is a logic-based combinatorial number-placement puzzle. Given a partially filled 9×9 2D array i.e. grid[9][9], the goal is to assign digits (from 1 to 9) to the empty cells so that every row, column, and subgrid of size 3×3 contains exactly one instance of the digits from 1 to 9. For Detailed understanding about Sudoku, […]
Sudoku Solver using Recursive Backtracking
Sudoku is a logic-based combinatorial number-placement puzzle. Given a partially filled 9×9 2D array grid[9][9], the goal is to assign digits (from 1 to 9) to the empty cells so that every row, column, and subgrid of size 3×3 contains exactly one instance of the digits from 1 to 9. For Detailed understanding about Sudoku, […]
