Bulls and Cows (Igor Konyakhin)

Classical number guessing game "Bulls and Cows" (also known as Mastermind).Computer picked up 4 different digits - your goal is to guess them. Your guess has to consist of the same number of digits, also different. For each of your guesses computer replies with a number of "Cows" and "Bulls", where "Cows" means the number of correct digits but in the wrong position "Bulls" means the number of correct digits in the correct position Try to guess computers digits in the fewest moves possible and po...