Problem 3690. OXO counting

Jan Orwat

18 solvers

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Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals.

Example:

    >> board = ['OOX'
                'XXO'
                'OXO'];
    >> count_OXO(board)
    ans =
       3
    >> board = [' O '
                'XXO'
                'OXO'];
    >> count_OXO(board)
    ans =
       1

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77 Solutions

18 Solvers

Last Solution submitted on Jan 04, 2026

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