# How To Solve Sudoku

**Modelling sudoku as an exact cover problem and using an algorithm such as knuth's algorithm x will typically solve a sudoku in a few milliseconds.**

**How to solve sudoku**. Takes a grid as its argument and returns true if a solution is possible and false if it is not. Try every configuration one by one until the correct configuration is found, i.e. This uses a technique called 'crosshatching', which only takes a couple of minutes to learn.

How limiting pencil marks allows you to make lots of quick decisions and solve faster. What is the technique to solve sudoku? Use the first few techniques to insert as many numbers as you can.

The empty cells of the sudoku are filled with zeros and the rest of the cells are filled with integers from 1 to 9. However, it requires a lot of time to write down every possibility in every square. You can also use the online notes feature on sudoku.com.

To solve a sudoku, start by lining up and numbering all of the rows and columns. Popular methods and techniques for solving hard web sudoku. Then, when you can add no more numbers to the board using the basic techniques, try the more advanced ones.

You can solve the puzzle completely, partially or solve a single cell using the buttons in the solving section of the features block. The procedure accepts a puzzle defintion and shows the puzzle, reduced options, and solution once solved as described above. You need to complete the two functions:

This method is very thorough and if you follow it exactly, you will be able to solve an easy sudoku puzzle. Your job is to use logic to fill in the missing digits and complete the grid. We strongly advise you to watch the solution video for prescribed approach.