TicTacToe

Problem Description:

/*

Design TicTacToe Game for two players.

*/

Solution:

#include <bits/stdc++.h>
using namespace std;

class init{
	public:
    	char board[3][3];
    	static int turn;
    	init(){
            for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
			board[i][j] = '-';
		}
	    }
        	}
	void printBoard(){
		cout<<"Turn "<<turn++<<endl;
		for(int i=0;i<3;i++){
			for(int j=0;j<3;j++){
				cout<<board[i][j]<<" ";
			}
			cout<<endl;
		}
	}
};

int init:: turn =1;

class User{
	public: 
		string name;
		bool win;
		User(string name){
			this->name = name;
			this->win = false;
		}
};

bool userWin(init obj,int r,int c,char ch){
    //check row
    bool row = true,col = true, d1 = true,d2 = true;
    for(int i=0;i<3;i++){
        if(obj.board[i][c]!=ch){
            row = false;
        }
    }
    //check col
    for(int i=0;i<3;i++){
        if(obj.board[r][i]!=ch){
            col = false;
        }
    }
    for(int i=0;i<3;i++){
        if(obj.board[i][i]!=ch){
            d1 = false;
        }
    }
    for(int i=2;i>=0;i--){
        if(obj.board[i][i]!=ch){
            d2 = false;
        }
    }
    return (row || col || d1 || d2);
}

string PlayGame(User u1,User u2,init obj){
    int row,col;
    srand(time(NULL));
    int turn = 0;
    int cnt = 0;
    while(cnt<9 || !u1.win || !u2.win){
        
        row = 0+rand()%3;
        col = 0+rand()%3;
        
        if(turn == 0){
            if(obj.board[row][col]=='-'){
                cout<<row<<" "<<col<<endl;
            	obj.board[row][col] = 'X';
                obj.printBoard();
                if(userWin(obj,row,col,'X')){
                    u1.win = true;
                    return u1.name + " wins!!!";
                    //break;
                }
                turn = !turn;
                cnt++;
            }
        }
        else{
            if(obj.board[row][col]=='-'){
                cout<<row<<" "<<col<<endl;
            	obj.board[row][col] = 'O';
                obj.printBoard();
                if(userWin(obj,row,col,'O')){
                    u2.win = true;
                    return u2.name + " wins!!!";
                    //break;
                }
                turn = !turn;
                cnt++;
            }
        }
        
        if(cnt == 9){
            return "Draw";
        }
    }
    //return "Draw";
}

int main() {
	init obj;
	//obj.printBoard();
    string user1,user2;
    cin>>user1>>user2;
    User u1(user1);
    User u2(user2);
    cout<<PlayGame(u1,u2,obj)<<endl;
	return 0;
}