Bulls and Cows Game

How to play:

Bulls & Cows is a logical puzzle game in which you have to guess a secret four digit code selected by the android.

All four digits of this secret code are different. Each digit can be any number from 0 to 9.

You can start with a random four digit code as a guess by using the on-screen keyboard.

If a digit from your guess matches but is not in the correct position in the secret code, its a 'Cow'.

If a digit matches and it is in the correct position, its a 'Bull'.

The goal is to get four bulls in the least guesses!

Example:

Secret code - 4596

Guess - 5193

Result - 1 Bull and 1 Cow (5 is a cow and 9 is a bull).