I am having trouble with my C++ assignment, the goal is to write a board.cc program that implements a simple game of tic tac toe of size (user input) 3

#include "board"h" #include // std::exit and EXIT.-FAILURE macro #include // std.cout, std:.cin, std.cerr, std::endl using namespace std; // Constructor /l size: the size of the grid (i.e. size x size) // 1. Verify that size is3 and // std::exit and EXIT.-FAILURE macro #include // std.cout, std:.cin, std.cerr, std::endl using namespace std; // Constructor /l size: the size of the grid (i.e. size x size) // 1. Verify that size is3 and