#include// Create a 3x3 Tic Tac Toe board CTicTac board(3);
// Place a mark at position (1, 1) board.placeMark(1, 1, CTicTac::PLAYER_X);
// Check if player X has won if (board.checkWin(CTicTac::PLAYER_X)) { // Player X has won! }This code checks if player X has won the game. The CTicTac library is a standalone package and does not require any external dependencies.