// tic-tac-toe v1
// 

#include<iostream>
using namespace std;


class tttPlayGround {
private:
		int playground[3][3];
		int prossimoG;
		int vincitore;
		int counter;
		const char icons[3]={' ','O','X'};
		
		bool check();
public:
		tttPlayGround()
		{	
			reset();
		}
		void reset()
		{
			for(int i=0;i<3;i++)
				for(int j=0;j<3;j++)
					playground[i][j]=0; 
			prossimoG=1;
			vincitore=0;
			counter=0;
		};
	
		bool finita()
		{
			return (check() || counter==9);
		};

		char prossimo()
		{
				return icons[prossimoG];
		};
		char vince()
		{
			return icons[vincitore];
		}
		bool muovi(int i,int j);
		void show();
};

bool tttPlayGround::check()
{
	int pr,pc,pd1=0,pd2=0;
	int v=0;
	
	for (int i=0;i<3;i++){
		pr=pc=0;
		for (int j=0;j<3;j++){
			if (playground[i][j]==1)
				pr+=1;	
			if (playground[i][j]==2)
				pr+=10;	
			if (playground[j][i]==1)
				pc+=1;
			if (playground[j][i]==2)
				pc+=10;			
		}
		
		if (playground[i][i]==1)
			pd1+=1;
		if (playground[i][2-i]==1)
			pd2+=1;
		if (playground[i][i]==2)
			pd1+=10;
		if (playground[i][2-i]==2)
			pd2+=10;			
			
		if ((pr==3)||(pc==3)||(pd1==3)||(pd2==3))
			v=1;		
		if ((pr==30)||(pc==30)||(pd1==30)||(pd2==30))	
			v=2;

		if (v>0)
			break;		
	}

	vincitore=v;
	return v!=0;
}

void tttPlayGround::show()
{
	int iconNumber=0;
	cout << "+---+"<<endl;
	for (int i=0;i<3;i++){
		cout<<"|";
		for(int j=0;j<3;j++){
			iconNumber=playground[i][j];
			cout <<icons[iconNumber];
		}
		cout <<"|"<<endl;
	}
	cout << "+---+"<<endl;
}

bool tttPlayGround::muovi(int i, int j)
{
	if (playground[i][j]!=0||counter==9)
		return false;
	playground[i][j]=prossimoG;
	counter++;
	prossimoG=3-prossimoG;
	check();
	return true;
}

int main()
{
	tttPlayGround match;
	int riga,col;
	bool mossaOk;
	do {
		match.show();
		cout << "Giocatore " << match.prossimo() <<": ";
		cin >> riga >> col;
		mossaOk=match.muovi(riga,col);
		if (!mossaOk)
			cout << "Mossa sbagliata!"<<endl;

	} while(!match.finita());
	match.show();	
	cout <<"vince:"<<match.vince()<<endl;	
}