GabrielTofvesson/sudoku
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Add more items to TODO in README

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README.md
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# Sudoku solver # Sudoku solver
A simple sudoku problem solver A simple sudoku problem solver because I got bored of solving them manually.
## File format ## File format
The sudoku solver accepts a file for the following format: The sudoku solver accepts a file for the following format:
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``` ```
## Test ## Compiling and running
To test the functionality, simply run `gcc -o sudoku main.c board.c`, then To test the functionality, simply run `gcc -o sudoku main.c board.c`, then
`./sudoku [filename]`, where the given file is formatted according to the `./sudoku [filename]`, where the given file is formatted according to the
aforementioned specifications. aforementioned specifications.
## TODO ## TODO
* Speculative value placement * Speculative value placement
* Optimizations * Optimizations
* Per-quadrant bit-field of populated values
* Fewer boundary checks (compilation option?)
* Packed structures
* Better structure layouts
* Better error messages
* Makefile