#SUDOKU CHECKER SOFTWARE#

Our software for exhaustively searching through a completed sudoku grid, named checker, was originally released in 2006. I have finished it in few days and now I want to make it faster. Due to the sheer number of sudoku solution grids a brute force search would have been infeasible, but we found a better approach to make this project possible. The puzzle starts off with giving some numbers througout the puzzle, the more numbers it gives you in the start, the easier the puzzle is. Im beginner programmer and Ive challenged myself to write sudoku solver in C. No row, column, or subgrid can have the same number appear twice. The goal of the game is to get every row, column, and sub grid to contain the numbers from 1 to 9. It can be implemented in a Sudoku game as a live checker to check at every move, or as a button for the user to check their puzzle at any moment Due to those 2 features this is not only a solution checker but it can check the board at any given moment in the game while the user is playing. Gray Insert Check your sudoku puzzle: You have four acceptable results. This program ignores blank spaces(0), and checks if the same number appears twice. You will submit just ONE file hw2B.c using the given hw2B.c as starter code.

Your task: Complete the two functions rotateright and sudokuchecker according to the specifications given in the associated comments. The programs threads check if a number appears twice in a row column or thread, if it does it returns a false PLEASE HELP HW2B DUE Date: Monday, Nov 7 by 11:59PM Two functions operating on 2D arrays.Do not try to outsmart the language for i in range(0,7,3): is a little strange. Last line states whether the whole sudoku puzzle is valid sudokusets sudokusets.append(rows) sudokusets.append(columns) sudokusets.append(squares) the reader does not have to scan the 30 lines above if sudokusets is touched somewhere.It will display which rows, columns, or sub grids are unvalid.Checks each row, column, and sub grid with threads (for a total of 27 threads).It will display which rows, columns, or sub grids are unvalidĬPuzzle.txt is a correct solution with no blanks.įeel free to copy paste the other 2 text files into puzzle.txt, or to edit puzzle.txt yourself. It is coded in c, and uses threads to check. Checks If a Sudoku board is valid whether it has blank spaces (0) or not.

Sudoku checker