Tic-Tac-Toe

Problem Statement

Design a command-line based, 3x3 grid Tic-Tac-Toe game that can be played by 2-players.

Requirements

Board

3x3 grid board with the following naming convention for squares of the grid

A1    A2    A3
B1    B2    B3
C1    C2    C3

Players

Game has 2 players. Every player has a name and a character. The character is by default, “X” and “O” for player 1 and 2, but players can pick their own characters. Both players must not have the same character.

Game

• Game starts with Player 1 inserting their character on one of the boxes
• Players get alternative turns, and insert their characters on boxes
• On every turn, take command line input of which box to place character
• After every turn show state of game
• After every turn, one of 4 conditions can happen
  • Player specifies wrong box (already has been used);
    In this case, same player will try again
  • Placing the character results in game winning condition (specified below);
    in this case end the game and declare winner
  • Player specifies correct box, but doesn’t win game;
    Give turn to other player and continue game
  • Board is full (this was last entry), and no winner;
    Declare game draw and end game
• Winning conditions:
  Same character in all boxes of:
  • any row
  • Any column
  • Any diagonal

Data Format

Initialise Game & Players

Enter Player 1 Name: 
> John 
Enter Player 1 Character (X):
> ❎
Enter Player 2 Name:
> Jane 
Enter Player 2 Character (O):
> 🛑

Note: If player doesn’t enter character, the code defaults to X and O

Gameplay

Board: 
_  _  _
_  _  _
_  _  _

Player 1: Enter box: 
> A1 


Board: 
❎ _  _
_  _  _
_  _  _

Player 2: Enter box: 
> A2 

Board: 
❎ 🛑 _
_  _  _
_  _  _

Player 2: Enter box: 
>