My question is straightforward: Is an empty sudoku grid (not partially completed) still NP-complete?
closed as off-topic by R B, Kaveh, Ryan Williams, Mohammad Al-Turkistany, David Eppstein Dec 1 '15 at 7:29
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Your question does not appear to be a research-level question in theoretical computer science. For more information about the scope, please see help center. Your question might be suitable for Computer Science which has a broader scope." – R B, Ryan Williams, Mohammad Al-Turkistany, David Eppstein