Bulls and Cows is an old code-breaking mind or paper and pencil game for two or more players, predating the commercially marketed board game Mastermind. It is a game that may date back a century or more which uses numbers or words. It is played by two opponents.
- https://en.wikipedia.org/wiki/Bulls_and_Cows
- https://www.codingame.com/training/expert/bulls-and-cows
- C++ (clang+)
- Shimon Mimoun
- Omer Paz