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 Solvers17

Suggested Problems

• Extract leading non-zero digit

  2181 Solvers

• Find the two-word state names

  1211 Solvers

• Sum all integers from 1 to 2^n

  16157 Solvers

• Given a window, how many subsets of a vector sum positive

  859 Solvers

• Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

  245 Solvers

More from this Author40

• Pancake sorting

  41 Solvers

• Narcissistic problem

  161 Solvers

• Array ex-OR

  52 Solvers

• N-th permutation.

  33 Solvers

• Pernicious Anniversary Problem

  823 Solvers