Numerical type of classical mastermind game.
Rules :
1- If you know only the number without knowing true place, you will see "-".
2- If you know the number at the right place, you will see "+".
3- When you get all of the "+" as much as number of digits selected at the beginning, you will get the true answer.
Example Scenario :
_ Target number is 368
o Your guess : 590 -> you will get no match.
o Your guess : 397 -> you will get + because of knowing 3 with right place.
o Your guess 356 -> you will get +- because of knowing 3 with right place and knowing 6 with wrong place.
o Your guess 368 -> you will get +++, then you will be the winner!!
Good luck..