333. Tic-Tac-Toe Winner
EasySimulation
Given a finished or ongoing 3×3 board (X, O or .), print X or O if that player has three in a row, otherwise DRAW if the board is full, otherwise PENDING. At most one player has a line.
Input format
3 lines of 3 characters.
Output format
X, O, DRAW or PENDING
Example 1
Input
XOX OXO OOX
Output
X
Example 2
Input
XXX OO. ...
Output
X
Constraints
Valid board.
Read input from standard input and print the answer to standard output. Your code is judged against 5 test cases, most of them hidden.
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