Sudoku solver using backtracking

Related tags

Miscellaneoussudoku
Overview

Sudoku solver

Sudoku solver using backtracking

Basically in sudoku, we want to be able to solve a sudoku puzzle given an input like this, which represents a sudoku board:

[[x00, x01, x02, x03... x08],
 [x10, x11, x12, x13... x18],
 ...
 [x80, x81, x82, x83... x88]]

These x_rc values correspond to the value at the rth row, cth column (starting with 0-index) These values could be empty (we will represent this with -1)

So for example,

[[-1,  1,  5, ...],
 [-1, -1, -1, ...],
 [ 6, -1, -1, ...]
 ...]

would represent a board like this:

 -----------
|     1   5 | ...
|           | ...
| 6         | ...
 -----------
 ...

Now, our goal is to solve our sudoku puzzle using Python! :D

Owner
Kylie
YouTube: Kylie Ying
Kylie
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