Programming sudoku rapidshare

Checking for next possibility with next. Removing the assigned num ,. This code is contributed by sudhanshguptaa. WriteLine ;. WriteLine "No Solution exists" ;. FindUnassignedLocation grid, row, col. If found, the reference.

If no unassigned entries remain, false is returned. UsedInRow grid, row, num. UsedInCol grid, col, num. The size will be NxN. If no unassigned entries. A Backtracking program. A Utility Function to print the Grid.

Returns a boolean which indicates. Checks whether it will be legal. Check if 'num' is not already. Takes a partially filled-in grid. If there is no unassigned. Assigning list values to row and col. Driver main function to test above functions.

Save Article. Like Article. Of missing digits. Sudoku int N, int K. Sqrt N ;. Floor double rand. WriteLine ;. Previous Change bits to make specific OR value. Next Automatic Resource Management in Java try with resource statements. Recommended Articles. Article Contributed By :. Easy Normal Medium Hard Expert.

One glaring error is the program does not generate a Sudoku puzzle with a single solution for all difficulty levels. A valid Sudoku puzzle must have a single answer. The program does not create advanced Sudoku puzzles. Nor will you find any solving by colors techniques. People who solve advanced Sudoku puzzles often want the ability to pencil in their candidates for cells either manually or automatically. This program does not provide that functionality. The puzzle does solve a cell each time you click the Hint button.

Some puzzle solvers will prefer that the software gives a verbal hint rather than solving a cell. You can also solve the complete puzzle when you click the Solve Puzzle button. This functionality slows the program noticeably. The overall size of the puzzle window is too small for my liking. The lines separating the mini-grids are hard to see with my aging baby boomer eyes.

I would increase the puzzle size to fill the computer screen window. I still recommend buying the book Programming Sudoku despite the faults I find in the program. This book will help you understand issues that Sudoku programmers will face. One thing about Sudoku Puzzles, they are addictive! Sudoku puzzle books are rolling off the presses to satisfy that addiction. You now have many puzzle….