![php sudoku generator algorithm php sudoku generator algorithm](https://www.101computing.net/wp/wp-content/uploads/sudoku-grid-300x300.png)
Heidi and I sometimes race each other on adjacent puzzles in a Sudoku book - it can be nerve-wracking to try to catch up when you're behind, while the other person is rapidly filling in squares. Sudoku is a good solo game if you are having trouble getting into it, you can read about various solution strategies on the web.īut, like crosswords, it can be even more fun to work Sudoku puzzles together with somebody else. Puzzles are designed so that there is only one correct way to fill in the 81 squares, and they tend to be just hard enough to be satisfying: not too easy, not impossible.
![php sudoku generator algorithm php sudoku generator algorithm](http://chandoo.org/img/i/sudoku-solver-using-excel.gif)
The rules of Sudoku are simple: finish filling in the squares of a 9x9 grid so that the digits 1-9 appear exactly once in each of the nine rows, columns, and 3x3 blocks. Have you ever played Sudoku? A few months ago my dad raved about a new game in the newspaper that he liked solving better than the daily crossword, and so I picked up one of the five hundred or so Sudoku books at the bookstore. Update: For Google Chrome users, try installing this Chrome Sudoku Web App for hints and more. It is a nice example of the website fun you can have with 250 lines of Python over a Labor day weekend it also makes a handy command-line Sudoku solver.
#Php sudoku generator algorithm free#
Here is a free Sudoku generator that can generate puzzles of varying difficulty in PDF, Postscript, plaintext, and HTML.