tic-tac-toe game with minimax algo

Type: start { } { } to start a game

First position plays for "X", second for "O"

Instead of { } the following words can be typed:

• easy, medium hard -- for respective AI level
• user -- for playing by yourself
  Example: start user medium

While playing as a user move coordinates must be entered. For example: 1 3. First number is column coordinate, second number is row coordinate.

exit command is used to quit the game

This is one of the learning projects from https://hyperskill.org/