348. Design Tic-Tac-Toe

Author: Partho Biswas

README.md

@@ -181,6 +181,7 @@ I have solved quite a number of problems from several topics. See the below tabl
 |68| **[66. Plus One](https://tinyurl.com/yd67rugq)** | [Python](https://tinyurl.com/wu6rdaw/66_Plus_One.py), [Swift](https://tinyurl.com/wuja3c4/66_Plus_One.swift) |  | Easy |  |
 |69| **[957. Prison Cells After N Days](https://tinyurl.com/yag46zkm)** | [Python](https://tinyurl.com/wu6rdaw/957_Prison_Cells_After_N_Days.py), [Swift](https://tinyurl.com/wuja3c4/957_Prison_Cells_After_N_Days.swift) | [Art 1](https://tinyurl.com/y7cbf32e), [Art 2](https://tinyurl.com/yd2y66dn), [Art 3](https://tinyurl.com/yczdwnwu), [Art 4](https://tinyurl.com/y8j9b593), [Art 5](https://tinyurl.com/y6u2u42m) | Medium |  |
 |70| [1232. Check If It Is a Straight Line](https://tinyurl.com/y932lhyb) | [Python](https://tinyurl.com/wu6rdaw/1232_Check_If_It_Is_a_Straight_Line.py), [Swift](https://tinyurl.com/wuja3c4/1232_Check_If_It_Is_a_Straight_Line.swift) |  | Easy |  |
+|71| **[348. Design Tic-Tac-Toe](https://tinyurl.com/ybtrbuso)** | [Python](https://tinyurl.com/wu6rdaw/348_Design_Tic-Tac-Toe.py), [Swift](https://tinyurl.com/wuja3c4/348_Design_Tic-Tac-Toe.swift) | [Vid 1](https://tinyurl.com/y745qzme), [Art 1](https://tinyurl.com/ybvjnmuo) | Medium | A fucking tricky question |
 
 
 </p>

leetcode.com/python/348_Design_Tic-Tac-Toe.py

@@ -0,0 +1,42 @@
+class TicTacToe(object):
+
+    def __init__(self, n):
+        """
+        Initialize your data structure here.
+        :type n: int
+        """
+        self.rows, self.cols, self.diagonal, self.antiDiagonal, self.n = [0]*n, [0]*n, 0, 0, n
+
+    def move(self, row, col, player):
+        """
+        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.
+        :type row: int
+        :type col: int
+        :type player: int
+        :rtype: int
+        """
+        offset = (player * 2) - 3 # To identify players moves uniquely. Lets say for players 1&2 -> "offset = player * 2 - 3" will results -1,1 respectively.
+        self.rows[row] += offset
+        self.cols[col] += offset
+        if row == col:
+            self.diagonal += offset
+        if row + col == self.n - 1:
+            self.antiDiagonal += offset
+        if self.n in [self.rows[row], self.cols[col], self.diagonal, self.antiDiagonal]:
+            return 2
+        if -self.n in [self.rows[row], self.cols[col], self.diagonal, self.antiDiagonal]:
+            return 1
+        return 0
+
+
+
+# Your TicTacToe object will be instantiated and called as such:
+# obj = TicTacToe(n)
+# param_1 = obj.move(row,col,player)