text: //h
  #ifndef TIC_TAC_TOE_3
  #define TIC_TAC_TOE_3
  
  #include "tic_tac_toe.h"
  
  #include <iostream>
  
  class Tic_tac_toe_3 : public Tic_tac_toe 
  {
  public:
  
  	Tic_tac_toe_3() : Tic_tac_toe(3) { }//initializes the pegs to 9
  
  	Tic_tac_toe_3(std::vector<string> p, string winner) : Tic_tac_toe(p, winner) {}//more code here, dont forget to pass p and winner to constructor 
  
  
  private:
  
  	bool checkColumnWin();
  	bool checkCheckRowWin();
  	bool checkDiagonalWin();
  
  };
  
  #endif // !TIC_TAC_TOE_3
  
  