Compile and Run "Windows"

1. Make sure MinGW (g++) is installed.
2. Open Command Prompt in the project folder.
3. Compile: g++ tictactoe.cpp -o tictactoe
4. Run: tictactoe.exe Note: Replace system("clear") with system("cls") for Windows.

"macOS / Linux"

1. Open Terminal in the project folder.
2. Compile: g++ tictactoe.cpp -o tictactoe or clang++ tictactoe.cpp -o tictactoe
3. Run: ./tictactoe