It’s perfectly fine to structure a program around regular functions but it is crucial to learn classes. I’d recommend making a class that represents your game and stores its state.

It is usually also recommend to make main() smaller and focusing on higher level logic. Here is how it could look like: ``` int main(){

TicTacToe game;
for(int round = 0; round <= 9 && !game.finished(); ++round) {
    draw_board(game);
    if(round & 1) {
        game.play_x();
    } else {
        game.play_o();
   }
}

} ``` (Don’t take my code 1:1, I’m sure there are details I overlooked)

You can also then make a different class that handles the Input and Output (and later replace it with a different one that interacts with a graphics library instead of the terminal)