This option allows you to run the sudoku solver on a single sudoku puzzle. This option reads the "sudoku-start.txt" file which contains 400 Sudoku Puzzles. The program outputs "output.txt" which ...

The solver works with a stack, a depth first search (DFS) is performed with "minimum remaining values" heuristic. It is not optimized but will still perform decently, see benchmarks below. Uses ...

Time after time, I spend hours working on a sudoku with a five-star difficulty rating, only to find that I can’t solve it. That leads me to conclude those hard puzzles must be misprinted.