sudok

Solver sudoku and other functions

Folk from https://github.com/brunoccc/sudokujs

Install

$ npm install sudok

Usage

const Sudoku = require('sudok');

const grid = [
  [0, 0, 3, 0, 5, 6, 7, 8, 0],
  [4, 0, 6, 0, 0, 0, 1, 0, 0],
  [0, 0, 0, 0, 2, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 4, 8, 9, 5],
  [0, 7, 0, 0, 1, 0, 0, 0, 0],
  [0, 0, 0, 0, 3, 0, 0, 0, 7],
  [3, 0, 0, 2, 0, 0, 0, 0, 0],
  [0, 0, 0, 0, 0, 7, 6, 0, 0],
  [9, 0, 0, 3, 4, 0, 0, 0, 2],
]; // 9x9

// Get all result from this grid
const sudoku = new Sudoku(grid);
if (sudoku.solve()) {
  console.log(`Get ${sudoku.results.length} results:`);
  for (let i = 0; i < sudoku.results.length; ++i) {
    console.log(`result ${i}:\n`);
    console.log(sudoku.result(i));
  }
} else {
  console.log('Impossible!');
}

sudoku.quizz();
console.log(sudoku.toString());
//=> show a grid, what is minimum grid from origin grid

API

new Sudoku(grid, smallWidth, smallheight)

grid

Type: number[][]

Array int 2d with size is smallWidth * smallheight, between 1 and smallWidth * smallheight

smallWidth, smallheight

Type: number

Width and height of small inside big square

Instance

The instance is a sudoku board

.solve(limit = 0)

Solve all sudoku

limit

Type: number

Default: 0 (no limit)

Set maximum size of result

.toString()

The virtual grid of sudoku with a simple border

.result(index = 0)

The virtual result after solve with a simple border

index

Type: number

Default: 0

Index of result in a list all results