# Keyword Analysis & Research: geeksforgeeks sudoku

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How to play Sudoku?

An online game of logic, Sudoku doesn’t require any calculation nor special math skills; all that is needed are brains and concentration. How to play Sudoku. The goal of Sudoku is to fill in a 9×9 grid with digits so that each column, row, and 3×3 section contain the numbers between 1 to 9. At the beginning of the game, the 9×9 grid will ...

What is the time complexity of Sudoku?

Time complexity: O (9^ (n*n)). For every unassigned index there are 9 possible options so the time complexity is O (9^ (n*n)). Space Complexity: O (n*n). To store the output array a matrix is needed. Method 2: Backtracking. Like all other Backtracking problems, Sudoku can be solved by one by one assigning numbers to empty cells.

How do you solve a Sudoku with an incomplete configuration?

Given an incomplete Sudoku configuration in terms of a 9 x 9 2-D square matrix (grid [] []), the task to find a solved Sudoku. For simplicity, you may assume that there will be only one unique solution. SolveSudoku (): Takes a grid as its argument and returns true if a solution is possible and false if it is not.

How to auto solve Sudoku board in Pygame?

1. Fill the pygame window with Sudoku Board i.e., Construct a 9×9 grid. 2. Fill the board with default numbers. 3. Assign a specific key for each operations and listen it. 4. Integrate the backtracking algorithm into it. 5. Use set of colors to visualize auto solving. Press ‘Enter’ To Auto Solve and Visualize.