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Asked: 2026-06-09T06:45:07+00:00

I was trying to solve sudoku puzzle. My algorithm uses PileExclusion to remove the

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I was trying to solve sudoku puzzle. My algorithm uses PileExclusion to remove the possibilities for each node. On certain puzzles am able to get the answer with 1 possible value for each node. On certain others I get one possible answer for most nodes but on certain nodes i have more than one possible value(which are the right ones) . Are there any other optimizations to further reduce the answer ?or should i make assumptions on certain values ?

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1 Answer

  1. Editorial Team

    There are many other techniques for excluding values. I recently ran into this page:

    http://www.sudokuwiki.org/sudoku.htm

    32 approaches before you have to resort to trial and error.

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