Tapajyoti Bose 3324bbb94b
Added sudoku type hints [Hacktober Fest] (#3124)
* chore(sudoku): added type hints [HACKTOBER-FEST]

* updating DIRECTORY.md

* chore: added matrix type alias

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-10-10 12:32:51 +05:30
..
2020-09-25 18:08:57 +02:00