```
public class TicTacToe {
int[] rows;
int []cols;
int size;
int diag1;
int diag2;
/** Initialize your data structure here. */
public TicTacToe(int n) {
rows = new int[n];
cols = new int[n];
size = n;
diag1 = 0;
diag2 = 0;
}
/** Player {player} makes a move at ({row}, {col}).
@param row The row of the board.
@param col The column of the board.
@param player The player, can be either 1 or 2.
@return The current winning condition, can be either:
0: No one wins.
1: Player 1 wins.
2: Player 2 wins. */
public int move(int row, int col, int player) {
if(player==1){
rows[row]+=1;
cols[col]+=1;
if(row == col) diag1++;
if(row+col == size-1) diag2++;
if(rows[row] == size || cols[col] == size || diag1 == size || diag2 == size) return 1;
}else{
rows[row]-=1;
cols[col]-=1;
if(row == col) diag1--;
if(row+col == size-1) diag2--;
if(Math.abs(rows[row]) == size || Math.abs(cols[col]) == size || Math.abs(diag1) == size || Math.abs(diag2) == size) return 2;
}
return 0;
}
```

}

/**

- Your TicTacToe object will be instantiated and called as such:
- TicTacToe obj = new TicTacToe(n);
- int param_1 = obj.move(row,col,player);

*/