char check4x4(char t[4][4]){
  //vodoravno in navpicno
  for (int i = 0; i < 4; i++){
      if ((t[i][0] == t[i][1]) && (t[i][2] == t[i][3]) && (t[i][0] == t[i][2]))
         if (t[i][0]!= 0)		//ce tabela ni prazna, je nekdo postavil 4 v vrsto
				return t[i][0];
      if ((t[0][i] == t[1][i]) && (t[2][i] == t[3][i]) && (t[0][i] == t[2][i]))
	     if (t[0][i]!= 0)		//ce tabela ni prazna, je nekdo postavil 4 v vrsto
			return t[0][i];    
  }
  //diagonali
  if ((t[0][0] == t[1][1]) && (t[2][2] == t[3][3]) && (t[0][0] == t[2][2]))
     if (t[0][0]!=0)		//ce tabela ni prazna, je nekdo postavil 4 v vrsto
			return t[0][0];
  if ((t[0][3] == t[1][2]) && (t[2][1] == t[3][0]) && (t[0][3] == t[2][1]))
     if (t[0][3]!=0)		//ce tabela ni prazna, je nekdo postavil 4 v vrsto
			return t[0][3];
  return 0;		//nihce ni zmagal
}
char connectFour2(){
	char tempTab[4][4];
	char won = 0;
	for(int R=0; R<(ROW-3); R++){
		for(int C=0; C<(COLUMN-3); C++){
			for(int i=0; i<4; i++){
				for(int j=0; j<4; j++){
					tempTab[j][i] = board[C+j][R+i];
				}
			}
			won = check4x4(tempTab);
			if(won != 0)
				return won;
		}
	}
	return won;
}
char connectFour(){
	int x = Cglobal;
	int y = Rglobal;
	char color = board[Cglobal][Rglobal];
	int temp = -1;
	int count2 = 0;

	//preveri ce se nahajajo stirje zetoni v vrsti, kamor je padel zadnji zeton
	for(int i=0; i<COLUMN; i++){
		if(board[i][Rglobal] == color){
			if(++count2 == 4)
				return color;
		}else
			count2 = 0;
	}

	//navpicno od trenutnega zetona navzdol
	if((Rglobal+3) < ROW){
		count2 = 0;
		for(int i=Rglobal; i<Rglobal+4; i++){
			if(board[Cglobal][i] == color)
				count2++;
		}
		if(count2 >=4)
			return color;
	}

	//diagonala desno-navzdol
	int Xstart1 = x;
	int Ystart1 = y;
	while((Xstart1 > 0) && (Ystart1 > 0)){
		Xstart1--;
		Ystart1--;
	}
	while((Xstart1 < COLUMN) && (Ystart1 < ROW)){			//zacne v tocki (0,0)
		count2 = 0;
		for(int i=0; i<4; i++){
			if(board[Xstart1++][Ystart1++] == color){
				if(++count2 == 4)
					return color;
			}else{
				count2 = 0;
				break;
			}
			if((Xstart1 >= COLUMN) || (Ystart1 >= ROW))
				break;
		}
	}

	//diagonala desno-navzgor
	int Xstart2 = x;
	int Ystart2 = y;	//R
	while((Xstart2 > 0) && (Ystart2 < ROW)){
		Xstart2--;
		Ystart2++;
	}
	while((Xstart2 < COLUMN) && (Ystart2 >= 0)){			//zacne od levega spodnjega kota (0,7)
		count2 = 0;
		for(int i=0; i<4; i++){
			if(board[Xstart2++][Ystart2--] == color){
				if(++count2 == 4)
					return color;
			}else{
				count2 = 0;
				break;
			}
			if((Xstart2 >= COLUMN) || (Ystart2 < 0))
				break;
		}
	}
	return 0;
}