Find Winner on a Tic Tac Toe Game

Challenge Points: 12

Level: Easy

Two players, A and B, play Tic-Tac-Toe on a 3×3 grid. A goes first and places 'X', B places 'O'.
Given moves[i] = [r, c] (0-indexed) as the sequence of valid moves, return:

"A" if A wins,
"B" if B wins,
"Draw" if all 9 cells are filled with no winner,
"Pending" otherwise.

A player wins if any row, column, or diagonal has three of their marks.

Example 1:

Input: moves = [[0,0],[2,0],[1,1],[2,1],[2,2]]

Output: "A"

Example 2:

Input: moves = [[0,0],[1,1],[0,1],[0,2],[1,0],[2,0]]

Output: "B"

Example 3:

Input: moves = [[0,0],[1,1],[2,0],[1,0],[1,2],[2,1],[0,1],[0,2],[2,2]]

Output: "Draw"

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