A user should be able to request a hint to get further in solving the game.
Possible algoritm:
1. Check for an (1) invalid value.
2. Check for possible values which are already redundant because the value has been used in the same row or column.
3. Check for a cage for which only one possible combination is left.
4. Find cage with least possible combinations left. If to many combination, select a random cell and reveal its value or operator.
Original issue reported on code.google.com by paul.din...@gmail.com on 7 Apr 2013 at 8:01
Original issue reported on code.google.com by
paul.din...@gmail.comon 7 Apr 2013 at 8:01