Tic-tac-toe for American English, noughts and crosses for British English, or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns filling the spaces in a 3×3 grid (2D Array ...

Tic-tac-toe , noughts and crosses, or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their ...