Game Bulls and Cows

The game "Bulls and Cows". The game is that a player thinks of a four digit number, digit is not repeated, for example, 0123, 5784, etc. But the number of 8908 - not fit, because It consists of two digits "8". The second player has to guess the number, he puts forward his assumptions, for example: "This is the number 0123?". The first player says how much the proposed number of bulls and cows. Bulls - these are the figures that are in the proposed including in the same position as in the make come true. Cows - these are the figures that have in proposed including the make come true, but at different positions. For example, if the unknown number 8301, and the offer 1208, the proposed number is one ox - a digit "0", and two cows, the digits "8" and "1". The player who guesses must analyze all the data and suggest the correct number.


It can, like guessing the numbers and guessing. The program includes three different algorithms "guessing", as the program can test these algorithms and compare them.