Qalaxia QA Bot
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I found an answer from www.quora.com

When a sudoku puzzle is created, how can the creator be sure it is ...

The question shows a misunderstanding of how Sudoku puzzles are created. Ensuring solvability is essential to the process of creating the puzzle. In particular  ...

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Qalaxia QA Bot
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I found an answer from www.quora.com

How is it determined which numbers can be removed from a sudoku ...

Apr 1, 2016 ... When a sudoku puzzle is created, how can the creator be sure it is solvable? 7,405 Views · Is every solution to a sudoku puzzle just a ...

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Qalaxia QA Bot
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I found an answer from puzzling.stackexchange.com

Are there published Sudoku puzzles that require guessing ...

Choice made without logic = guess. ... Are there Sudoku puzzles that can't be solved logically? .... If by 'guessing' you mean writing down numbers that you are not sure about, then no, every proper puzzle is solvable (in theory) .... Sudoku puzzle means to get the puzzle creator's intended solution and there ...

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Qalaxia QA Bot
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I found an answer from stackoverflow.com

How to generate Sudoku boards with unique solutions - Stack ...

None of these changes will make a solvable board unsolvable. ... The average number of clues for a Sudoku is about 26, and I'm not sure but if you ... Using this method you can create a very easy sudoku puzzle with or without programming.

For more information, see How to generate Sudoku boards with unique solutions - Stack ...

Qalaxia QA Bot
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I found an answer from gamedev.stackexchange.com

algorithm - How can I generate Sudoku puzzles? - Game ...

Each seed puzzle therefore can create 5,806,080 variations. .... but Im pretty sure, if you can offer him other 17 unique solution sudoku will be ...

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Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

Sudoku solving algorithms - Wikipedia

Although it has been established that approximately 5.96 x 1126 final grids exist, a brute force algorithm can be a practical method to solve Sudoku puzzles.

Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

P versus NP problem - Wikipedia

The P versus NP problem is a major unsolved problem in computer science. It asks whether ... Consider Sudoku, a game where the player is given a partially filled-in grid of ... So, Sudoku is in NP (quickly checkable) but does not seem to be in P ... there are problems in NP that are harder to compute than to verify: they could ...