Problem 3690. OXO counting

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

Solution Comments

Problem Recent Solvers19

Suggested Problems

• Make the vector [1 2 3 4 5 6 7 8 9 10]

  53703 Solvers

• Simple equation: Annual salary

  4271 Solvers

• Bit calculation

  251 Solvers

• Return fibonacci sequence do not use loop and condition

  873 Solvers

• Divisible by 6

  335 Solvers

More from this Author40

• Calculate the Damerau-Levenshtein distance between two strings.

  49 Solvers

• expand intervals vol.3

  86 Solvers

• N-th permutation.

  37 Solvers

• (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

  428 Solvers

• Polite numbers. N-th polite number.

  171 Solvers