class TicTacToe(object):

PLER_A = 1

PLER_B = 2

def __init__(self, n):

"""

Initialize your data structure here.

:type n: int

"""

self.R = [0] * n

self.C = [0] * n

self.DR = 0 # only one

self.DL = 0 # only one

def move(self, x, y, player):

"""

Player {player} makes a move at ({x}, {y}).

:type x: int The row of the board.

:type y: int The column of the board.

:type player: int The player, can be either 1 or 2.

:rtype: int The current winning condition, can be either:

0: No one wins.

1: Player 1 wins.

2: Player 2 wins.

"""

n = len(self.R)

delta = 1 if player == self.PLER_A else -1

self.R[x] += delta

self.C[y] += delta

self.DR += delta if x == y else 0 # x - y == 0

self.DL += delta if x == n - 1 - y else 0 # x + y == n - 1

return (abs(self.R[x]) == n or

abs(self.C[y]) == n or

abs(self.DR) == n or

abs(self.DL) == n)

# Your TicTacToe object will be instantiated and called as such:

# obj = TicTacToe(n)

# param_1 = obj.move(x,y,player)