A Sudoku puzzle engine and interface that will even let you cheat.
The algorithm that powers the app is a Swift implementation of Donald Knuth's "Dancing Links" approach to recursive backtracking. http://en.wikipedia.org/wiki/Dancing_Links
A Sudoku puzzle engine and interface that will even let you cheat.
The algorithm that powers the app is a Swift implementation of Donald Knuth's "Dancing Links" approach to recursive backtracking. http://en.wikipedia.org/wiki/Dancing_Links