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This is an Erlang version of a sudoku solver, mostly based on the
solution by Peter Norvig.
For comparison, see my slightly modified version of Norvig's Python code:
To try it out, simply compile and run the sudoku script:
$ ./rebar compile
$ ./sudoku
The solution for file.txt will be saved as file.out in your current directory.
You will need to have Erlang installed with escript in your path.
To only run the tests:
$ ./sudoku runtests
To solve the sample files without running tests:
$ ./sudoku solve
To solve a specific file (e.g. hardest.txt):
$ ./sudoku solve hardest.txt