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refactor 1275
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src/main/java/com/fishercoder/solutions/_1275.java

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package com.fishercoder.solutions;
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/**
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* 1275. Find Winner on a Tic Tac Toe Game
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*
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* Tic-tac-toe is played by two players A and B on a 3 x 3 grid.
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*
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* Here are the rules of Tic-Tac-Toe:
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* Players take turns placing characters into empty squares (" ").
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* The first player A always places "X" characters, while the second player B always places "O" characters.
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* "X" and "O" characters are always placed into empty squares, never on filled ones.
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* The game ends when there are 3 of the same (non-empty) character filling any row, column, or diagonal.
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* The game also ends if all squares are non-empty.
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* No more moves can be played if the game is over.
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* Given an array moves where each element is another array of size 2 corresponding to the row and column of
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* the grid where they mark their respective character in the order in which A and B play.
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*
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* Return the winner of the game if it exists (A or B), in case the game ends in a draw return "Draw",
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* if there are still movements to play return "Pending".
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*
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* You can assume that moves is valid (It follows the rules of Tic-Tac-Toe), the grid is initially empty and A will play first.
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*
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* Example 1:
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* Input: moves = [[0,0],[2,0],[1,1],[2,1],[2,2]]
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* Output: "A"
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* Explanation: "A" wins, he always plays first.
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* "X " "X " "X " "X " "X "
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* " " -> " " -> " X " -> " X " -> " X "
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* " " "O " "O " "OO " "OOX"
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*
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* Example 2:
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* Input: moves = [[0,0],[1,1],[0,1],[0,2],[1,0],[2,0]]
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* Output: "B"
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* Explanation: "B" wins.
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* "X " "X " "XX " "XXO" "XXO" "XXO"
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* " " -> " O " -> " O " -> " O " -> "XO " -> "XO "
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* " " " " " " " " " " "O "
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*
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* Example 3:
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* Input: moves = [[0,0],[1,1],[2,0],[1,0],[1,2],[2,1],[0,1],[0,2],[2,2]]
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* Output: "Draw"
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* Explanation: The game ends in a draw since there are no moves to make.
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* "XXO"
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* "OOX"
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* "XOX"
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*
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* Example 4:
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* Input: moves = [[0,0],[1,1]]
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* Output: "Pending"
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* Explanation: The game has not finished yet.
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* "X "
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* " O "
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* " "
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*
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* Constraints:
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* 1 <= moves.length <= 9
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* moves[i].length == 2
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* 0 <= moves[i][j] <= 2
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* There are no repeated elements on moves.
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* moves follow the rules of tic tac toe.
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* */
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public class _1275 {
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public static class Solution1 {
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public String tictactoe(int[][] moves) {

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