FAQ Database Discussion Community

## Formulate sudoku puzzle given the solutions

java,sudoku,backtracking
I just recently did a sudoku solver in java using backtracking. Is it possible, given the solutions, to formulate a problem or puzzle? EDIT to formulate the original puzzle, is there some way to achieve this? and an additional question, given the puzzle and the solutions. If I am able...

## Sudoku Solver - Scilab

algorithm,runtime-error,sudoku,backtracking,scilab
I wrote a program in SciLab that solves sudoku's. But it can only solve sudoku's that always have a square with 1 possible value. Like very easy and easy sudoku's on brainbashers.com . Medium sudoku's always reach a point that they do not have a square with 1 possible value....

## For loop as an input parameter of a function in python

python,sudoku
I am trying to understand solving Sudoku in Python from this website. I couldn't understand the "Search" Function in particular the application of "some" function in the "search". def search(values): "Using depth-first search and propagation, try all possible values." if values is False: return False ## Failed earlier if all(len(values[s])...

## Sudoku Solver Scilab

algorithm,runtime-error,sudoku,backtracking,scilab
I am trying to write a program that solves sudoku's using backtracking. I'm using scilab at the moment. I keep getting errors in my recursive algorithm, I must be doing something wrong. Any help is welcome. I put my error code at the bottom. /////////////////////////////////////////////////////////////////////////// ////////////////////////// Check Sudoku /////////////////////////////// ///////////////////////////////////////////////////////////////////////////...

## solve sudoku puzzle using A*(A-Star) search [closed]

algorithm,search,artificial-intelligence,a-star,sudoku
i want to solve sudoku puzzle using A* Search. how to define g(n) and h(n)?? what should h and g be?? i want to code that in python but any pseudo code would be appreciated...

## Exit clause in recursive call

python,recursion,sudoku
I am creating a recursive algorithm to brute force a Sudoku puzzle. I have gotten everything to work properly, however, I am trying to figure out how to stop the process once it correctly finishes a puzzle. Here is what I have so far. def solve(board, cell): #calculate row and...

## Finding what sector you're in , in a 6x6 sudoku puzzle? [closed]

c++,logic,sudoku
so basically i'm making a sudoku solver, and i need to check if a number is free in the current sector, i already check the rows and columns of the number, so what's left is sectors. the whole puzzle is 6x6 and has 3(2rows per sector) row sectors and 2(3...

## Create int array from txt file with multilines and spaces between numbers in C [closed]

c,arrays,file,sudoku
I have a sudoku checker. I need to catch numbers of the sudoku.txt into an array of ints in C. My sudoku.txt is multi lined and the numbers are separated by " " space. 6 2 4 5 3 9 1 8 7 5 1 9 7 2 8 6...

## Backtracking not getting triggered in c#

c#,sudoku
I am trying to write a code in c# for Sudoku solver. But it seems that recursion is not working correctly and backtracking is not getting fired. When i am trying to debug the code when row is 1 and col is 7 it should start unwinding and the execution...

## Rspec testing a method using enumerator in Ruby. Method only runs once the fails subsequently

ruby,rspec,sudoku,enumerator
I am currently completing a Sudoku solver in ruby. Using enumerator I have create a method that creates 9 arrays based on my 9x9 grid each of which refers to a 3x3 box in the sudoku game. Whilst testing this in Rspec I am finding that it only works in...

## I am trying to get simple jquery code to iterate

jquery,sudoku
I am trying to assign text to a sudoku puzzle (made with a table) using jquery and can do it by indvidual cell using the following code: \$('#popSud').click(function(){ \$('#1').text('1'); }); but I want to apply it to the entire 81 cell table and am trying the following code but no...

## Sudoku: Selection image does not appear

java,imageicon,sudoku
I am building a Sudoku game. I have drawn a grid so far and programmed the selection of a field, but my chosen picture for selection does not appear. My Class for the selector is: package com.brendenbunker; import javax.swing.*; public class Selection { public JLabel boxSelected; public ImageIcon selected; int...

## Iterative brute-force sudoku solver

java,nesting,sudoku
I am trying to implement an iterative Sudoku solver. To avoid recursion I used a stack, but I'm having problems with its management. The starting board is represented by a String array (variable 'input' in the following code) in which each element is composed of 3 numbers: the [row, col]...