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sudoku's Introduction

sudoku

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Sudoku generator and solver for node.js and Web.

Live demo

http://shnapps.dachev.com/sudoku

Installation

    $ npm install sudoku

Usage

    var sudoku = require('sudoku');

    var puzzle     = sudoku.makepuzzle();
    var solution   = sudoku.solvepuzzle(puzzle);
    var difficulty = sudoku.ratepuzzle(puzzle, 4);

OR

    import { makepuzzle, solvepuzzle, ratepuzzle } from "sudoku";

License

Copyright 2010, Blagovest Dachev.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

sudoku's People

Contributors

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sudoku's Issues

0s in puzzle array

Hello

I have been using this package since yesterday in my app while I am still building it. Lately the puzzles have mysteriously started containing a few 0s here and there. I could swear that this was not happening before.

Any ideas what's happening ?

Duplicate puzzles

I am trying to use this software to produce a database of Sudoku puzzles and solutions, but I am getting a large number of duplicates. Of course there are only a finite number of possible puzzles, but if I generate a million puzzles then I would expect very few or no duplicates. Is there something that I can do to avoid duplicates, or can the code be modified to allow for generating a larger number of unique puzzles?

0's appearing instead of 9's

As the title says. When i make a new puzzle using makepuzzle() I recieve 0's in the place of 9's. Anyway to fix this without looping through the array and replacing 0's with 9's?

explain ratepuzzle function please?

the ratepuzzle function returns a random number every time, and I don't understand that number.
I want to select a specific difficulty but I don't know the range.
can you please help me with that?

How to set difficulty for Sudoku

Hi !

I need make a Sudoku generator.

I actually use you're framework for generate this, but I can't set a difficulty to them.
I would like to make them easier.

Can we do this, and how ?

Thanks to you're Job ๐Ÿ˜

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