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Solve: Tic-Tac-Toe

Created By: Geoffrey Challen
/ Version: 2020.9.0

Declare and implement a function called gameOver. gameOver receives a single 3x3 char[][] array as a parameter, representing a tic-tac-toe board, with each cell containing either a X, a O, or a (blank space). gameOver should return X if X has won the game, O if O has won the game, and a blank space (' ') otherwise, including in the case of ties. (Ties should probably be handled differently, but you can use a ' ' for now.) Do not check the diagonals!

For those unfamiliar with Tic-Tac-Toe, here is link to the rules: https://en.wikipedia.org/wiki/Tic-tac-toe.

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