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class TicTacToe {
public:
    vector<int> rows;
    vector<int> cols;
    int diag, antidiag;
    /** Initialize your data structure here. */
    TicTacToe(int n) {
        rows.assign(n, 0);
        cols.assign(n, 0);
        diag = antidiag = 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. */
    int move(int row, int col, int player) {
        int cur = (player == 1) ? 1: -1;
        rows[row] += cur;
        cols[col] += cur;

        int n = rows.size();
        if(row == col) diag += cur;
        if(row+col == n-1) antidiag += cur;
        if(abs(rows[row]) == n || abs(cols[col]) == n || abs(diag) == n || abs(antidiag) == n){
            return player;
        }
        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);
 */